Commit | Line | Data |
---|---|---|
abe4da87 JA |
1 | /* |
2 | * fio - the flexible io tester | |
3 | * | |
4 | * Copyright (C) 2005 Jens Axboe <axboe@suse.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
892199bd JA |
21 | #include <stdio.h> |
22 | #include <stdlib.h> | |
23 | #include <unistd.h> | |
24 | #include <fcntl.h> | |
25 | #include <string.h> | |
26 | #include <errno.h> | |
27 | #include <signal.h> | |
28 | #include <time.h> | |
7dd1389e | 29 | #include <ctype.h> |
18e0b78c | 30 | #include <sched.h> |
43000118 | 31 | #include <libaio.h> |
e128065d | 32 | #include <math.h> |
02983297 | 33 | #include <limits.h> |
892199bd JA |
34 | #include <sys/time.h> |
35 | #include <sys/types.h> | |
36 | #include <sys/stat.h> | |
37 | #include <sys/wait.h> | |
38 | #include <semaphore.h> | |
39 | #include <sys/ipc.h> | |
40 | #include <sys/shm.h> | |
41 | #include <asm/unistd.h> | |
946d8870 | 42 | #include <asm/types.h> |
892199bd | 43 | |
2c83567e | 44 | #include "list.h" |
e8457004 | 45 | #include "md5.h" |
2c83567e | 46 | |
4240cfa1 JA |
47 | #define MAX_JOBS (1024) |
48 | ||
892199bd JA |
49 | /* |
50 | * assume we don't have _get either, if _set isn't defined | |
51 | */ | |
52 | #ifndef __NR_ioprio_set | |
892199bd JA |
53 | #if defined(__i386__) |
54 | #define __NR_ioprio_set 289 | |
55 | #define __NR_ioprio_get 290 | |
56 | #elif defined(__powerpc__) || defined(__powerpc64__) | |
57 | #define __NR_ioprio_set 273 | |
58 | #define __NR_ioprio_get 274 | |
59 | #elif defined(__x86_64__) | |
60 | #define __NR_ioprio_set 251 | |
61 | #define __NR_ioprio_get 252 | |
62 | #elif defined(__ia64__) | |
63 | #define __NR_ioprio_set 1274 | |
64 | #define __NR_ioprio_get 1275 | |
65 | #elif defined(__alpha__) | |
66 | #define __NR_ioprio_set 442 | |
67 | #define __NR_ioprio_get 443 | |
68 | #elif defined(__s390x__) || defined(__s390__) | |
69 | #define __NR_ioprio_set 282 | |
70 | #define __NR_ioprio_get 283 | |
71 | #else | |
72 | #error "Unsupported arch" | |
73 | #endif | |
b95799ca | 74 | #endif |
892199bd | 75 | |
b95799ca JA |
76 | #ifndef __NR_fadvise64 |
77 | #if defined(__i386__) | |
78 | #define __NR_fadvise64 250 | |
79 | #elif defined(__powerpc__) || defined(__powerpc64__) | |
80 | #define __NR_fadvise64 233 | |
81 | #elif defined(__x86_64__) | |
82 | #define __NR_fadvise64 221 | |
83 | #elif defined(__ia64__) | |
84 | #define __NR_fadvise64 1234 | |
85 | #elif defined(__alpha__) | |
86 | #define __NR_fadvise64 413 | |
87 | #elif defined(__s390x__) || defined(__s390__) | |
88 | #define __NR_fadvise64 253 | |
89 | #else | |
90 | #error "Unsupported arch" | |
91 | #endif | |
892199bd JA |
92 | #endif |
93 | ||
94 | static int ioprio_set(int which, int who, int ioprio) | |
95 | { | |
96 | return syscall(__NR_ioprio_set, which, who, ioprio); | |
97 | } | |
98 | ||
b95799ca JA |
99 | /* |
100 | * we want fadvise64 really, but it's so tangled... later | |
101 | */ | |
102 | static int fadvise(int fd, loff_t offset, size_t len, int advice) | |
103 | { | |
104 | #if 0 | |
105 | return syscall(__NR_fadvise64, fd, offset, offset >> 32, len, advice); | |
106 | #else | |
107 | return posix_fadvise(fd, (off_t) offset, len, advice); | |
108 | #endif | |
109 | } | |
110 | ||
892199bd JA |
111 | enum { |
112 | IOPRIO_WHO_PROCESS = 1, | |
113 | IOPRIO_WHO_PGRP, | |
114 | IOPRIO_WHO_USER, | |
115 | }; | |
116 | ||
117 | #define IOPRIO_CLASS_SHIFT 13 | |
118 | ||
892199bd JA |
119 | #define MASK (4095) |
120 | ||
4240cfa1 JA |
121 | #define DEF_BS (4096) |
122 | #define DEF_TIMEOUT (30) | |
123 | #define DEF_RATE_CYCLE (1000) | |
124 | #define DEF_ODIRECT (1) | |
125 | #define DEF_SEQUENTIAL (1) | |
4240cfa1 | 126 | #define DEF_RAND_REPEAT (1) |
02983297 JA |
127 | #define DEF_OVERWRITE (0) |
128 | #define DEF_CREATE (1) | |
b95799ca | 129 | #define DEF_INVALIDATE (1) |
99c6704f | 130 | #define DEF_SYNCIO (0) |
eb39963f | 131 | #define DEF_RANDSEED (0xb1899bedUL) |
1d035750 | 132 | #define DEF_BWAVGTIME (500) |
fc097bfe JA |
133 | #define DEF_CREATE_SER (1) |
134 | #define DEF_CREATE_FSYNC (1) | |
b6794fbf | 135 | #define DEF_LOOPS (1) |
cfc702bd | 136 | #define DEF_VERIFY (0) |
4240cfa1 JA |
137 | |
138 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) | |
892199bd | 139 | |
4240cfa1 | 140 | static int repeatable = DEF_RAND_REPEAT; |
02bdd9ba | 141 | static int rate_quit = 1; |
a0a9b35b JA |
142 | static int write_lat_log; |
143 | static int write_bw_log; | |
98dd52d6 | 144 | static int exitall_on_terminate; |
892199bd | 145 | |
892199bd | 146 | static int thread_number; |
7dd1389e | 147 | static char *ini_file; |
892199bd | 148 | |
8867c0a8 JA |
149 | static int max_jobs = MAX_JOBS; |
150 | ||
8dbff0b1 JA |
151 | static char run_str[MAX_JOBS + 1]; |
152 | ||
892199bd JA |
153 | static int shm_id; |
154 | ||
4240cfa1 JA |
155 | enum { |
156 | DDIR_READ = 0, | |
157 | DDIR_WRITE, | |
158 | }; | |
892199bd | 159 | |
02bdd9ba JA |
160 | /* |
161 | * thread life cycle | |
162 | */ | |
163 | enum { | |
164 | TD_NOT_CREATED = 0, | |
165 | TD_CREATED, | |
e8457004 JA |
166 | TD_RUNNING, |
167 | TD_VERIFYING, | |
02bdd9ba JA |
168 | TD_EXITED, |
169 | TD_REAPED, | |
170 | }; | |
171 | ||
99c6704f JA |
172 | enum { |
173 | MEM_MALLOC, | |
174 | MEM_SHM, | |
175 | }; | |
176 | ||
2c83567e JA |
177 | /* |
178 | * The io unit | |
179 | */ | |
180 | struct io_u { | |
181 | struct iocb iocb; | |
57d753e3 | 182 | struct timeval start_time; |
2c83567e JA |
183 | struct timeval issue_time; |
184 | ||
2c83567e JA |
185 | char *buf; |
186 | unsigned int buflen; | |
4ac89145 | 187 | unsigned long long offset; |
2c83567e JA |
188 | |
189 | struct list_head list; | |
190 | }; | |
191 | ||
57d753e3 JA |
192 | struct io_stat { |
193 | unsigned long val; | |
194 | unsigned long val_sq; | |
195 | unsigned long max_val; | |
196 | unsigned long min_val; | |
197 | unsigned long samples; | |
198 | }; | |
199 | ||
a0a9b35b JA |
200 | struct io_sample { |
201 | unsigned long time; | |
202 | unsigned long val; | |
203 | }; | |
204 | ||
205 | struct io_log { | |
206 | unsigned long nr_samples; | |
207 | unsigned long max_samples; | |
208 | struct io_sample *log; | |
209 | }; | |
210 | ||
e8457004 JA |
211 | #define FIO_HDR_MAGIC 0xf00baaef |
212 | ||
213 | struct verify_header { | |
214 | unsigned int fio_magic; | |
215 | unsigned int len; | |
216 | char md5_digest[MD5_HASH_WORDS * 4]; | |
217 | }; | |
218 | ||
02983297 JA |
219 | #define td_read(td) ((td)->ddir == DDIR_READ) |
220 | #define should_fsync(td) (!td_read(td) && !(td)->odirect) | |
221 | ||
892199bd JA |
222 | struct thread_data { |
223 | char file_name[256]; | |
224 | int thread_number; | |
225 | int error; | |
226 | int fd; | |
892199bd | 227 | pid_t pid; |
6b71c826 | 228 | char *orig_buffer; |
4240cfa1 | 229 | volatile int terminate; |
02bdd9ba | 230 | volatile int runstate; |
40ef7f64 | 231 | volatile int old_runstate; |
f737299d JA |
232 | unsigned int ddir; |
233 | unsigned int ioprio; | |
234 | unsigned int sequential; | |
235 | unsigned int bs; | |
8c033f93 JA |
236 | unsigned int min_bs; |
237 | unsigned int max_bs; | |
f737299d | 238 | unsigned int odirect; |
e97712ed | 239 | unsigned int thinktime; |
4240cfa1 | 240 | unsigned int fsync_blocks; |
fc24389f | 241 | unsigned int start_delay; |
47d45203 | 242 | unsigned int timeout; |
43000118 | 243 | unsigned int use_aio; |
02983297 JA |
244 | unsigned int create_file; |
245 | unsigned int overwrite; | |
b95799ca | 246 | unsigned int invalidate_cache; |
1d035750 | 247 | unsigned int bw_avg_time; |
fc097bfe JA |
248 | unsigned int create_serialize; |
249 | unsigned int create_fsync; | |
b6794fbf | 250 | unsigned int loops; |
02983297 JA |
251 | unsigned long long file_size; |
252 | unsigned long long file_offset; | |
74b4b5fb | 253 | unsigned int sync_io; |
99c6704f | 254 | unsigned int mem_type; |
cfc702bd | 255 | unsigned int verify; |
18e0b78c | 256 | cpu_set_t cpumask; |
86184d14 | 257 | |
7889f07b | 258 | struct drand48_data bsrange_state; |
e8457004 | 259 | struct drand48_data verify_state; |
7889f07b | 260 | |
99c6704f JA |
261 | int shm_id; |
262 | ||
63a09e51 JA |
263 | off_t cur_off; |
264 | ||
254605cd | 265 | io_context_t aio_ctx; |
43000118 | 266 | unsigned int aio_depth; |
43000118 | 267 | struct io_event *aio_events; |
2c83567e JA |
268 | |
269 | unsigned int cur_depth; | |
270 | struct list_head io_u_freelist; | |
271 | struct list_head io_u_busylist; | |
43000118 | 272 | |
7dd1389e | 273 | unsigned int rate; |
4240cfa1 JA |
274 | unsigned int ratemin; |
275 | unsigned int ratecycle; | |
276 | unsigned long rate_usec_cycle; | |
277 | long rate_pending_usleep; | |
8c033f93 | 278 | unsigned long rate_kb; |
4240cfa1 | 279 | struct timeval lastrate; |
86184d14 | 280 | |
892199bd | 281 | unsigned long runtime; /* sec */ |
7889f07b | 282 | unsigned long kb; |
4240cfa1 | 283 | unsigned long io_blocks; |
8c033f93 | 284 | unsigned long io_kb; |
f8e3d840 | 285 | unsigned long this_io_kb; |
7889f07b | 286 | unsigned long last_kb; |
892199bd | 287 | sem_t mutex; |
892199bd JA |
288 | struct drand48_data random_state; |
289 | ||
290 | /* | |
e128065d | 291 | * bandwidth and latency stats |
892199bd | 292 | */ |
57d753e3 JA |
293 | struct io_stat clat_stat; /* completion latency */ |
294 | struct io_stat slat_stat; /* submission latency */ | |
295 | ||
296 | struct io_stat bw_stat; /* bandwidth stats */ | |
8c033f93 | 297 | unsigned long stat_io_kb; |
fd1ae4c9 | 298 | struct timeval stat_sample_time; |
4240cfa1 | 299 | |
a0a9b35b JA |
300 | struct io_log *lat_log; |
301 | struct io_log *bw_log; | |
302 | ||
4240cfa1 | 303 | struct timeval start; |
892199bd JA |
304 | }; |
305 | ||
306 | static struct thread_data *threads; | |
47d45203 | 307 | static struct thread_data def_thread; |
892199bd JA |
308 | |
309 | static sem_t startup_sem; | |
310 | ||
5c24b2c4 | 311 | static void sig_handler(int sig) |
892199bd JA |
312 | { |
313 | int i; | |
314 | ||
213b446c JA |
315 | for (i = 0; i < thread_number; i++) { |
316 | struct thread_data *td = &threads[i]; | |
317 | ||
318 | td->terminate = 1; | |
319 | td->start_delay = 0; | |
320 | } | |
02bdd9ba JA |
321 | } |
322 | ||
e8457004 | 323 | static int init_random_state(struct thread_data *td) |
946d8870 | 324 | { |
e8457004 JA |
325 | unsigned long seed; |
326 | int fd; | |
946d8870 | 327 | |
e8457004 JA |
328 | fd = open("/dev/random", O_RDONLY); |
329 | if (fd == -1) { | |
330 | td->error = errno; | |
331 | return 1; | |
946d8870 JA |
332 | } |
333 | ||
e8457004 JA |
334 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
335 | td->error = EIO; | |
336 | close(fd); | |
337 | return 1; | |
946d8870 JA |
338 | } |
339 | ||
e8457004 | 340 | close(fd); |
7889f07b JA |
341 | |
342 | srand48_r(seed, &td->bsrange_state); | |
e8457004 | 343 | srand48_r(seed, &td->verify_state); |
892199bd JA |
344 | |
345 | if (td->sequential) | |
346 | return 0; | |
347 | ||
e8457004 JA |
348 | if (repeatable) |
349 | seed = DEF_RANDSEED; | |
892199bd JA |
350 | |
351 | srand48_r(seed, &td->random_state); | |
352 | return 0; | |
353 | } | |
354 | ||
5c24b2c4 | 355 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
356 | { |
357 | double sec, usec; | |
358 | ||
359 | sec = e->tv_sec - s->tv_sec; | |
360 | usec = e->tv_usec - s->tv_usec; | |
361 | if (sec > 0 && usec < 0) { | |
362 | sec--; | |
363 | usec += 1000000; | |
364 | } | |
365 | ||
366 | sec *= (double) 1000000; | |
367 | ||
368 | return sec + usec; | |
369 | } | |
370 | ||
5c24b2c4 | 371 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
372 | { |
373 | double sec, usec; | |
374 | ||
375 | sec = e->tv_sec - s->tv_sec; | |
376 | usec = e->tv_usec - s->tv_usec; | |
377 | if (sec > 0 && usec < 0) { | |
378 | sec--; | |
379 | usec += 1000000; | |
380 | } | |
381 | ||
382 | sec *= (double) 1000; | |
383 | usec /= (double) 1000; | |
384 | ||
385 | return sec + usec; | |
386 | } | |
387 | ||
be33abe4 JA |
388 | static unsigned long mtime_since_now(struct timeval *s) |
389 | { | |
390 | struct timeval t; | |
391 | ||
392 | gettimeofday(&t, NULL); | |
393 | return mtime_since(s, &t); | |
394 | } | |
395 | ||
98168d55 JA |
396 | static inline unsigned long msec_now(struct timeval *s) |
397 | { | |
398 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
399 | } | |
400 | ||
4ac89145 | 401 | static unsigned long long get_next_offset(struct thread_data *td) |
892199bd | 402 | { |
f31fd9c8 | 403 | unsigned long long kb; |
40ef7f64 | 404 | double r; |
892199bd JA |
405 | |
406 | if (!td->sequential) { | |
40ef7f64 | 407 | drand48_r(&td->random_state, &r); |
f31fd9c8 | 408 | kb = (1+(double) (td->kb-1) * r / (RAND_MAX+1.0)); |
7889f07b | 409 | } else |
f31fd9c8 | 410 | kb = td->last_kb; |
7889f07b | 411 | |
f31fd9c8 | 412 | return (kb << 10) + td->file_offset; |
7889f07b JA |
413 | } |
414 | ||
415 | static unsigned int get_next_buflen(struct thread_data *td) | |
416 | { | |
417 | unsigned int buflen; | |
40ef7f64 | 418 | double r; |
7889f07b JA |
419 | |
420 | if (td->min_bs == td->max_bs) | |
421 | buflen = td->min_bs; | |
422 | else { | |
40ef7f64 | 423 | drand48_r(&td->bsrange_state, &r); |
7889f07b JA |
424 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
425 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
426 | } |
427 | ||
f8e3d840 JA |
428 | if (buflen > ((td->kb - td->this_io_kb) << 10)) |
429 | buflen = (td->kb - td->this_io_kb) << 10; | |
7889f07b JA |
430 | |
431 | td->last_kb += buflen >> 10; | |
432 | return buflen; | |
892199bd JA |
433 | } |
434 | ||
57d753e3 JA |
435 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
436 | unsigned long val) | |
892199bd | 437 | { |
57d753e3 JA |
438 | if (val > is->max_val) |
439 | is->max_val = val; | |
440 | if (val < is->min_val) | |
441 | is->min_val = val; | |
442 | ||
443 | is->val += val; | |
444 | is->val_sq += val * val; | |
445 | is->samples++; | |
446 | } | |
fd1ae4c9 | 447 | |
a0a9b35b JA |
448 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
449 | unsigned long val) | |
450 | { | |
451 | if (log->nr_samples == log->max_samples) { | |
452 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
453 | ||
454 | log->log = realloc(log->log, new_size); | |
455 | log->max_samples <<= 1; | |
456 | } | |
457 | ||
458 | log->log[log->nr_samples].val = val; | |
459 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
460 | log->nr_samples++; | |
461 | } | |
462 | ||
57d753e3 JA |
463 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
464 | { | |
465 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
466 | |
467 | if (td->lat_log) | |
468 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 469 | } |
fd1ae4c9 | 470 | |
57d753e3 JA |
471 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
472 | { | |
473 | add_stat_sample(td, &td->slat_stat, msec); | |
474 | } | |
fd1ae4c9 | 475 | |
57d753e3 JA |
476 | static void add_bw_sample(struct thread_data *td, unsigned long msec) |
477 | { | |
478 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
479 | unsigned long rate; | |
480 | ||
1d035750 | 481 | if (spent < td->bw_avg_time) |
57d753e3 JA |
482 | return; |
483 | ||
f8e3d840 | 484 | rate = ((td->this_io_kb - td->stat_io_kb) * 1024) / spent; |
57d753e3 JA |
485 | add_stat_sample(td, &td->bw_stat, rate); |
486 | ||
a0a9b35b JA |
487 | if (td->bw_log) |
488 | add_log_sample(td, td->bw_log, rate); | |
489 | ||
57d753e3 | 490 | gettimeofday(&td->stat_sample_time, NULL); |
f8e3d840 | 491 | td->stat_io_kb = td->this_io_kb; |
892199bd JA |
492 | } |
493 | ||
5c24b2c4 | 494 | static void usec_sleep(int usec) |
892199bd | 495 | { |
86184d14 JA |
496 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
497 | struct timespec rem; | |
892199bd JA |
498 | |
499 | do { | |
86184d14 JA |
500 | rem.tv_sec = rem.tv_nsec = 0; |
501 | nanosleep(&req, &rem); | |
502 | if (!rem.tv_nsec) | |
892199bd | 503 | break; |
86184d14 JA |
504 | |
505 | req.tv_nsec = rem.tv_nsec; | |
892199bd JA |
506 | } while (1); |
507 | } | |
508 | ||
9e850933 JA |
509 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
510 | unsigned int bytes) | |
86184d14 | 511 | { |
9e850933 JA |
512 | unsigned long usec_cycle; |
513 | ||
4240cfa1 JA |
514 | if (!td->rate) |
515 | return; | |
516 | ||
9e850933 JA |
517 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
518 | ||
519 | if (time_spent < usec_cycle) { | |
520 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
521 | |
522 | td->rate_pending_usleep += s; | |
fad86e6a | 523 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
524 | usec_sleep(td->rate_pending_usleep); |
525 | td->rate_pending_usleep = 0; | |
526 | } | |
4240cfa1 | 527 | } else { |
9e850933 | 528 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 529 | |
4240cfa1 JA |
530 | td->rate_pending_usleep -= overtime; |
531 | } | |
532 | } | |
533 | ||
5c24b2c4 | 534 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 535 | { |
7607bc6b | 536 | unsigned long spent; |
4240cfa1 JA |
537 | unsigned long rate; |
538 | ||
539 | /* | |
540 | * allow a 2 second settle period in the beginning | |
541 | */ | |
7607bc6b | 542 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
543 | return 0; |
544 | ||
545 | /* | |
546 | * if rate blocks is set, sample is running | |
547 | */ | |
8c033f93 | 548 | if (td->rate_kb) { |
4240cfa1 JA |
549 | spent = mtime_since(&td->lastrate, now); |
550 | if (spent < td->ratecycle) | |
551 | return 0; | |
552 | ||
f8e3d840 | 553 | rate = ((td->this_io_kb - td->rate_kb) * 1024) / spent; |
4240cfa1 JA |
554 | if (rate < td->ratemin) { |
555 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 556 | if (rate_quit) |
e6402082 | 557 | sig_handler(0); |
4240cfa1 JA |
558 | return 1; |
559 | } | |
86184d14 | 560 | } |
4240cfa1 | 561 | |
f8e3d840 | 562 | td->rate_kb = td->this_io_kb; |
4240cfa1 JA |
563 | memcpy(&td->lastrate, now, sizeof(*now)); |
564 | return 0; | |
86184d14 JA |
565 | } |
566 | ||
67903a2e JA |
567 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
568 | { | |
569 | if (mtime_since(&td->start, t) >= td->timeout * 1000) | |
570 | return 1; | |
571 | ||
572 | return 0; | |
573 | } | |
574 | ||
e8457004 JA |
575 | static void fill_random_bytes(struct thread_data *td, |
576 | unsigned char *p, unsigned int len) | |
577 | { | |
40ef7f64 | 578 | double r; |
e8457004 | 579 | int todo; |
e8457004 JA |
580 | |
581 | while (len) { | |
40ef7f64 | 582 | drand48_r(&td->verify_state, &r); |
e8457004 | 583 | |
40ef7f64 JA |
584 | /* |
585 | * lrand48_r seems to be broken and only fill the bottom | |
586 | * 32-bits, even on 64-bit archs with 64-bit longs | |
587 | */ | |
588 | todo = sizeof(r); | |
e8457004 JA |
589 | if (todo > len) |
590 | todo = len; | |
591 | ||
592 | memcpy(p, &r, todo); | |
593 | ||
594 | len -= todo; | |
595 | p += todo; | |
596 | } | |
597 | } | |
598 | ||
599 | static int verify_io_u(struct thread_data *td, struct io_u *io_u) | |
600 | { | |
601 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
602 | unsigned char *p = (unsigned char *) io_u->buf; | |
603 | struct md5_ctx md5_ctx; | |
604 | ||
605 | if (hdr->fio_magic != FIO_HDR_MAGIC) | |
606 | return 1; | |
607 | ||
608 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
609 | p += sizeof(*hdr); | |
610 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
611 | ||
612 | return memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
613 | } | |
614 | ||
615 | static int verify_io_us(struct thread_data *td, struct io_u *io_u, int *back) | |
616 | { | |
617 | struct verify_header *hdr; | |
618 | unsigned int left; | |
619 | struct io_u i; | |
620 | char *buf; | |
621 | off_t off; | |
622 | ||
623 | *back = 0; | |
624 | ||
625 | left = io_u->buflen; | |
626 | buf = io_u->buf; | |
627 | off = io_u->offset; | |
628 | while (left) { | |
629 | hdr = (struct verify_header *) buf; | |
630 | i.buf = buf; | |
631 | i.buflen = hdr->len; | |
632 | ||
633 | if (hdr->len > left) { | |
634 | *back = left; | |
635 | return 0; | |
636 | } | |
637 | ||
638 | if (verify_io_u(td, &i)) { | |
639 | printf("failed verify at offset %lu\n", (unsigned long) off); | |
640 | return 1; | |
641 | } | |
642 | ||
643 | buf += hdr->len; | |
644 | left -= hdr->len; | |
645 | off += hdr->len; | |
646 | } | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
cfc702bd JA |
651 | /* |
652 | * fill body of io_u->buf with random data and add a header with the | |
653 | * (eg) sha1sum of that data. | |
654 | */ | |
e8457004 | 655 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 656 | { |
e8457004 JA |
657 | struct md5_ctx md5_ctx; |
658 | struct verify_header hdr; | |
659 | unsigned char *p = (unsigned char *) io_u->buf; | |
660 | ||
661 | hdr.fio_magic = FIO_HDR_MAGIC; | |
662 | hdr.len = io_u->buflen; | |
663 | p += sizeof(hdr); | |
664 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
665 | ||
666 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
667 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
668 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
669 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
670 | } |
671 | ||
2c83567e JA |
672 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
673 | { | |
674 | list_del(&io_u->list); | |
675 | list_add(&io_u->list, &td->io_u_freelist); | |
676 | td->cur_depth--; | |
677 | } | |
678 | ||
e8457004 JA |
679 | static struct io_u *__get_io_u(struct thread_data *td) |
680 | { | |
681 | struct io_u *io_u; | |
682 | ||
683 | if (list_empty(&td->io_u_freelist)) | |
684 | return NULL; | |
685 | ||
686 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
687 | list_del(&io_u->list); | |
688 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 689 | td->cur_depth++; |
e8457004 JA |
690 | return io_u; |
691 | } | |
692 | ||
2c83567e JA |
693 | static struct io_u *get_io_u(struct thread_data *td) |
694 | { | |
695 | struct io_u *io_u; | |
696 | ||
e8457004 JA |
697 | io_u = __get_io_u(td); |
698 | if (!io_u) | |
2c83567e JA |
699 | return NULL; |
700 | ||
b2a369fb JA |
701 | io_u->offset = get_next_offset(td); |
702 | io_u->buflen = get_next_buflen(td); | |
703 | if (!io_u->buflen) { | |
e8457004 | 704 | put_io_u(td, io_u); |
7889f07b | 705 | return NULL; |
e8457004 | 706 | } |
2c83567e | 707 | |
cfc702bd | 708 | if (!td_read(td) && td->verify) |
e8457004 | 709 | populate_io_u(td, io_u); |
cfc702bd | 710 | |
2c83567e JA |
711 | if (td->use_aio) { |
712 | if (td_read(td)) | |
713 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
714 | else | |
715 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
716 | } | |
717 | ||
57d753e3 | 718 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
719 | return io_u; |
720 | } | |
721 | ||
40ef7f64 JA |
722 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
723 | { | |
724 | td->old_runstate = td->runstate; | |
725 | td->runstate = runstate; | |
726 | } | |
727 | ||
cfc702bd JA |
728 | static int do_sync_verify(struct thread_data *td) |
729 | { | |
40ef7f64 | 730 | struct timeval t; |
e8457004 JA |
731 | struct io_u *io_u = NULL; |
732 | loff_t off = 0; | |
733 | int back, ret; | |
734 | ||
40ef7f64 | 735 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
736 | |
737 | io_u = __get_io_u(td); | |
738 | ||
739 | if (lseek(td->fd, 0, SEEK_SET) < 0) { | |
740 | td->error = errno; | |
741 | goto out; | |
742 | } | |
743 | ||
40ef7f64 JA |
744 | if (!td->odirect) { |
745 | unsigned long size = td->kb << 10; | |
746 | ||
747 | if (fadvise(td->fd, 0, size, POSIX_FADV_DONTNEED) < 0) { | |
748 | td->error = errno; | |
749 | goto out; | |
750 | } | |
751 | } | |
752 | ||
e8457004 JA |
753 | do { |
754 | if (td->terminate) | |
755 | break; | |
40ef7f64 JA |
756 | |
757 | gettimeofday(&t, NULL); | |
758 | if (runtime_exceeded(td, &t)) | |
759 | break; | |
760 | ||
e8457004 JA |
761 | io_u->offset = off; |
762 | io_u->buflen = td->max_bs; | |
763 | ||
764 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
765 | if (ret < (int) io_u->buflen) { | |
766 | if (ret == -1) { | |
767 | td->error = errno; | |
768 | break; | |
769 | } else if (!ret) | |
770 | break; | |
771 | else | |
772 | io_u->buflen = ret; | |
773 | } | |
774 | ||
775 | if (verify_io_us(td, io_u, &back)) | |
776 | break; | |
777 | ||
778 | if (back) { | |
f8e3d840 | 779 | ret -= back; |
e8457004 JA |
780 | if (lseek(td->fd, -back, SEEK_CUR) < 0) { |
781 | td->error = errno; | |
782 | break; | |
783 | } | |
784 | } | |
785 | ||
786 | off += ret; | |
787 | } while (1); | |
788 | ||
789 | out: | |
40ef7f64 | 790 | td_set_runstate(td, TD_RUNNING); |
e8457004 JA |
791 | put_io_u(td, io_u); |
792 | ||
793 | return td->error == 0; | |
cfc702bd JA |
794 | } |
795 | ||
43000118 | 796 | static void do_sync_io(struct thread_data *td) |
892199bd | 797 | { |
7889f07b | 798 | unsigned long msec, usec; |
e8457004 | 799 | struct io_u *io_u = NULL; |
2c83567e | 800 | struct timeval e; |
892199bd | 801 | |
63a09e51 | 802 | td->cur_off = 0; |
e8457004 | 803 | td->last_kb = 0; |
63a09e51 | 804 | |
f8e3d840 | 805 | for (td->this_io_kb = 0; td->this_io_kb < td->kb;) { |
892199bd JA |
806 | int ret; |
807 | ||
808 | if (td->terminate) | |
809 | break; | |
810 | ||
2c83567e | 811 | io_u = get_io_u(td); |
7889f07b JA |
812 | if (!io_u) |
813 | break; | |
2c83567e | 814 | |
63a09e51 JA |
815 | if (td->cur_off != io_u->offset) { |
816 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
817 | td->error = errno; | |
818 | break; | |
819 | } | |
892199bd JA |
820 | } |
821 | ||
02983297 | 822 | if (td_read(td)) |
2c83567e | 823 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 824 | else |
2c83567e | 825 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 826 | |
2c83567e | 827 | if (ret < (int) io_u->buflen) { |
892199bd JA |
828 | if (ret == -1) |
829 | td->error = errno; | |
830 | break; | |
831 | } | |
832 | ||
4240cfa1 | 833 | td->io_blocks++; |
8c033f93 | 834 | td->io_kb += io_u->buflen >> 10; |
f8e3d840 | 835 | td->this_io_kb += io_u->buflen >> 10; |
63a09e51 | 836 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 837 | |
86184d14 JA |
838 | gettimeofday(&e, NULL); |
839 | ||
57d753e3 | 840 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 841 | |
9e850933 | 842 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 843 | |
4240cfa1 JA |
844 | if (check_min_rate(td, &e)) { |
845 | td->error = ENODATA; | |
846 | break; | |
847 | } | |
892199bd | 848 | |
4240cfa1 | 849 | msec = usec / 1000; |
57d753e3 JA |
850 | add_clat_sample(td, msec); |
851 | add_bw_sample(td, msec); | |
67903a2e JA |
852 | |
853 | if (runtime_exceeded(td, &e)) | |
854 | break; | |
2c83567e | 855 | |
cdf92433 | 856 | put_io_u(td, io_u); |
e8457004 | 857 | io_u = NULL; |
cdf92433 | 858 | |
e97712ed JA |
859 | if (td->thinktime) |
860 | usec_sleep(td->thinktime); | |
861 | ||
cdf92433 JA |
862 | if (should_fsync(td) && td->fsync_blocks && |
863 | (td->io_blocks % td->fsync_blocks) == 0) | |
864 | fsync(td->fd); | |
892199bd JA |
865 | } |
866 | ||
e8457004 JA |
867 | if (io_u) |
868 | put_io_u(td, io_u); | |
869 | ||
4240cfa1 | 870 | if (should_fsync(td)) |
892199bd | 871 | fsync(td->fd); |
892199bd | 872 | } |
43000118 | 873 | |
2c83567e | 874 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 875 | { |
2c83567e | 876 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
877 | int ret; |
878 | ||
879 | do { | |
254605cd | 880 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
881 | if (ret == 1) |
882 | return 0; | |
a592bd33 | 883 | else if (ret == EAGAIN) |
56b0eff0 | 884 | usleep(100); |
a592bd33 JA |
885 | else if (ret == EINTR) |
886 | continue; | |
56b0eff0 JA |
887 | else |
888 | break; | |
889 | } while (1); | |
890 | ||
a592bd33 | 891 | return ret; |
56b0eff0 JA |
892 | } |
893 | ||
98168d55 | 894 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
895 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
896 | ||
f4bb2243 | 897 | static int ios_completed(struct thread_data *td, int nr, int stats) |
2c83567e JA |
898 | { |
899 | unsigned long msec; | |
900 | struct io_u *io_u; | |
901 | struct timeval e; | |
9e850933 | 902 | int i, bytes_done; |
2c83567e | 903 | |
f4bb2243 JA |
904 | if (stats) |
905 | gettimeofday(&e, NULL); | |
2c83567e | 906 | |
9e850933 | 907 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
908 | io_u = ev_to_iou(td->aio_events + i); |
909 | ||
f4bb2243 JA |
910 | if (stats) { |
911 | td->io_blocks++; | |
912 | td->io_kb += io_u->buflen >> 10; | |
913 | td->this_io_kb += io_u->buflen >> 10; | |
8c033f93 | 914 | |
f4bb2243 | 915 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 916 | |
f4bb2243 JA |
917 | add_clat_sample(td, msec); |
918 | add_bw_sample(td, msec); | |
919 | } | |
2c83567e | 920 | |
f4bb2243 | 921 | bytes_done += io_u->buflen; |
2c83567e JA |
922 | put_io_u(td, io_u); |
923 | } | |
9e850933 JA |
924 | |
925 | return bytes_done; | |
2c83567e JA |
926 | } |
927 | ||
928 | static void cleanup_pending_aio(struct thread_data *td) | |
929 | { | |
930 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
931 | struct list_head *entry, *n; | |
932 | struct io_u *io_u; | |
933 | int r; | |
934 | ||
935 | /* | |
936 | * get immediately available events, if any | |
937 | */ | |
938 | r = io_getevents(td->aio_ctx, 0, td->cur_depth, td->aio_events, &ts); | |
939 | if (r > 0) | |
f4bb2243 | 940 | ios_completed(td, r, 1); |
2c83567e JA |
941 | |
942 | /* | |
943 | * now cancel remaining active events | |
944 | */ | |
945 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
946 | io_u = list_entry(entry, struct io_u, list); | |
947 | ||
948 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
949 | if (!r) | |
950 | put_io_u(td, io_u); | |
951 | } | |
952 | ||
953 | if (td->cur_depth) { | |
954 | r = io_getevents(td->aio_ctx, td->cur_depth, td->cur_depth, td->aio_events, NULL); | |
955 | if (r > 0) | |
f4bb2243 | 956 | ios_completed(td, r, 1); |
2c83567e JA |
957 | } |
958 | } | |
98168d55 | 959 | |
cfc702bd JA |
960 | static int do_async_verify(struct thread_data *td) |
961 | { | |
f4bb2243 JA |
962 | struct timeval t; |
963 | struct io_u *io_u; | |
964 | int ret, back; | |
965 | ||
966 | td_set_runstate(td, TD_VERIFYING); | |
967 | ||
968 | td->cur_off = 0; | |
969 | td->last_kb = 0; | |
970 | ||
971 | do { | |
972 | if (td->terminate) | |
973 | break; | |
974 | ||
975 | gettimeofday(&t, NULL); | |
976 | if (runtime_exceeded(td, &t)) | |
977 | break; | |
978 | ||
979 | io_u = __get_io_u(td); | |
980 | if (!io_u) | |
981 | break; | |
982 | ||
983 | io_u->offset = td->cur_off; | |
984 | io_u->buflen = td->max_bs; | |
985 | ||
986 | if (io_u->offset + io_u->buflen > (td->kb << 10)) { | |
987 | io_u->buflen = (td->kb << 10) - io_u->offset; | |
988 | if (!io_u->buflen) { | |
989 | put_io_u(td, io_u); | |
990 | break; | |
991 | } | |
992 | } | |
993 | ||
994 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
995 | ret = io_u_queue(td, io_u); | |
996 | if (ret) { | |
997 | put_io_u(td, io_u); | |
998 | td->error = ret; | |
999 | break; | |
1000 | } | |
1001 | ||
1002 | ret = io_getevents(td->aio_ctx, 1, td->cur_depth, td->aio_events, NULL); | |
1003 | if (ret < 0) { | |
1004 | td->error = errno; | |
1005 | break; | |
1006 | } | |
1007 | ||
1008 | td->cur_off += ios_completed(td, ret, 0); | |
1009 | ||
1010 | if (verify_io_us(td, io_u, &back)) | |
1011 | break; | |
1012 | ||
1013 | td->cur_off -= back; | |
1014 | } while (1); | |
1015 | ||
1016 | if (td->cur_depth) | |
1017 | cleanup_pending_aio(td); | |
1018 | ||
1019 | td_set_runstate(td, TD_RUNNING); | |
1020 | return td->error == 0; | |
cfc702bd JA |
1021 | } |
1022 | ||
43000118 JA |
1023 | static void do_async_io(struct thread_data *td) |
1024 | { | |
1025 | struct timeval s, e; | |
7889f07b | 1026 | unsigned long usec; |
43000118 | 1027 | |
e8457004 JA |
1028 | td->cur_off = 0; |
1029 | td->last_kb = 0; | |
1030 | ||
f8e3d840 | 1031 | for (td->this_io_kb = 0; td->this_io_kb < td->kb;) { |
43000118 JA |
1032 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1033 | struct timespec *timeout; | |
2c83567e JA |
1034 | int ret, min_evts = 0; |
1035 | struct io_u *io_u; | |
9e850933 | 1036 | unsigned int bytes_done; |
43000118 JA |
1037 | |
1038 | if (td->terminate) | |
1039 | break; | |
1040 | ||
2c83567e | 1041 | io_u = get_io_u(td); |
7889f07b JA |
1042 | if (!io_u) |
1043 | break; | |
43000118 | 1044 | |
57d753e3 | 1045 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1046 | |
2c83567e | 1047 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1048 | if (ret) { |
a3fdb993 | 1049 | put_io_u(td, io_u); |
a592bd33 | 1050 | td->error = ret; |
43000118 JA |
1051 | break; |
1052 | } | |
1053 | ||
57d753e3 JA |
1054 | gettimeofday(&io_u->issue_time, NULL); |
1055 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1056 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1057 | timeout = &ts; |
1058 | min_evts = 0; | |
1059 | } else { | |
1060 | timeout = NULL; | |
1061 | min_evts = 1; | |
1062 | } | |
1063 | ||
2c83567e | 1064 | ret = io_getevents(td->aio_ctx, min_evts, td->cur_depth, td->aio_events, timeout); |
43000118 JA |
1065 | if (ret < 0) { |
1066 | td->error = errno; | |
1067 | break; | |
1068 | } else if (!ret) | |
1069 | continue; | |
1070 | ||
f4bb2243 | 1071 | bytes_done = ios_completed(td, ret, 1); |
43000118 | 1072 | |
98168d55 JA |
1073 | /* |
1074 | * the rate is batched for now, it should work for batches | |
1075 | * of completions except the very first one which may look | |
1076 | * a little bursty | |
1077 | */ | |
2c83567e | 1078 | gettimeofday(&e, NULL); |
43000118 JA |
1079 | usec = utime_since(&s, &e); |
1080 | ||
9e850933 | 1081 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1082 | |
1083 | if (check_min_rate(td, &e)) { | |
1084 | td->error = ENODATA; | |
1085 | break; | |
1086 | } | |
67903a2e JA |
1087 | |
1088 | if (runtime_exceeded(td, &e)) | |
1089 | break; | |
765d9223 JA |
1090 | |
1091 | if (td->thinktime) | |
1092 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1093 | |
1094 | if (should_fsync(td) && td->fsync_blocks && | |
1095 | (td->io_blocks % td->fsync_blocks) == 0) | |
1096 | fsync(td->fd); | |
43000118 | 1097 | } |
56b0eff0 | 1098 | |
2c83567e JA |
1099 | if (td->cur_depth) |
1100 | cleanup_pending_aio(td); | |
4ac89145 JA |
1101 | |
1102 | if (should_fsync(td)) | |
1103 | fsync(td->fd); | |
56b0eff0 JA |
1104 | } |
1105 | ||
1106 | static void cleanup_aio(struct thread_data *td) | |
1107 | { | |
254605cd JA |
1108 | io_destroy(td->aio_ctx); |
1109 | ||
43000118 JA |
1110 | if (td->aio_events) |
1111 | free(td->aio_events); | |
43000118 JA |
1112 | } |
1113 | ||
1114 | static int init_aio(struct thread_data *td) | |
1115 | { | |
254605cd | 1116 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1117 | td->error = errno; |
1118 | return 1; | |
1119 | } | |
1120 | ||
43000118 | 1121 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1122 | return 0; |
1123 | } | |
1124 | ||
2c83567e JA |
1125 | static void cleanup_io_u(struct thread_data *td) |
1126 | { | |
1127 | struct list_head *entry, *n; | |
1128 | struct io_u *io_u; | |
1129 | ||
1130 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1131 | io_u = list_entry(entry, struct io_u, list); | |
1132 | ||
1133 | list_del(&io_u->list); | |
2c83567e JA |
1134 | free(io_u); |
1135 | } | |
6b71c826 | 1136 | |
99c6704f JA |
1137 | if (td->mem_type == MEM_MALLOC) |
1138 | free(td->orig_buffer); | |
1139 | else if (td->mem_type == MEM_SHM) { | |
1140 | struct shmid_ds sbuf; | |
1141 | ||
1142 | shmdt(td->orig_buffer); | |
1143 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1144 | } | |
2c83567e JA |
1145 | } |
1146 | ||
99c6704f | 1147 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1148 | { |
1149 | struct io_u *io_u; | |
99c6704f | 1150 | int i, max_units, mem_size; |
6b71c826 | 1151 | char *p; |
2c83567e JA |
1152 | |
1153 | if (!td->use_aio) | |
1154 | max_units = 1; | |
1155 | else | |
1156 | max_units = td->aio_depth; | |
1157 | ||
7889f07b | 1158 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1159 | |
1160 | if (td->mem_type == MEM_MALLOC) | |
1161 | td->orig_buffer = malloc(mem_size); | |
1162 | else if (td->mem_type == MEM_SHM) { | |
1163 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1164 | if (td->shm_id < 0) { | |
1165 | td->error = errno; | |
1166 | perror("shmget"); | |
1167 | return 1; | |
1168 | } | |
1169 | ||
1170 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1171 | if (td->orig_buffer == (void *) -1) { | |
1172 | td->error = errno; | |
1173 | perror("shmat"); | |
1174 | return 1; | |
1175 | } | |
1176 | } | |
6b71c826 | 1177 | |
2c83567e JA |
1178 | INIT_LIST_HEAD(&td->io_u_freelist); |
1179 | INIT_LIST_HEAD(&td->io_u_busylist); | |
1180 | ||
99c6704f | 1181 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1182 | for (i = 0; i < max_units; i++) { |
1183 | io_u = malloc(sizeof(*io_u)); | |
1184 | memset(io_u, 0, sizeof(*io_u)); | |
1185 | INIT_LIST_HEAD(&io_u->list); | |
1186 | ||
7889f07b | 1187 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1188 | list_add(&io_u->list, &td->io_u_freelist); |
1189 | } | |
99c6704f JA |
1190 | |
1191 | return 0; | |
2c83567e JA |
1192 | } |
1193 | ||
a0a9b35b JA |
1194 | static void setup_log(struct io_log **log) |
1195 | { | |
1196 | struct io_log *l = malloc(sizeof(*l)); | |
1197 | ||
1198 | l->nr_samples = 0; | |
1199 | l->max_samples = 1024; | |
1200 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
1201 | *log = l; | |
1202 | } | |
1203 | ||
1204 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
1205 | { | |
1206 | char file_name[128]; | |
1207 | FILE *f; | |
1208 | int i; | |
1209 | ||
1210 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
1211 | f = fopen(file_name, "w"); | |
1212 | if (!f) { | |
1213 | perror("fopen log"); | |
1214 | return; | |
1215 | } | |
1216 | ||
1217 | for (i = 0; i < log->nr_samples; i++) | |
1218 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
1219 | ||
1220 | fclose(f); | |
1221 | free(log->log); | |
1222 | free(log); | |
1223 | } | |
1224 | ||
02983297 JA |
1225 | static int create_file(struct thread_data *td) |
1226 | { | |
7889f07b | 1227 | unsigned long long left; |
02983297 | 1228 | char *b; |
7889f07b | 1229 | int r, bs; |
02983297 | 1230 | |
02983297 JA |
1231 | /* |
1232 | * unless specifically asked for overwrite, let normal io extend it | |
1233 | */ | |
1234 | if (!td_read(td) && !td->overwrite) | |
1235 | return 0; | |
1236 | ||
57d753e3 JA |
1237 | if (!td->file_size) { |
1238 | fprintf(stderr, "Need size for create\n"); | |
1239 | td->error = EINVAL; | |
1240 | return 1; | |
1241 | } | |
1242 | ||
42fd89a7 JA |
1243 | printf("Client%d: Laying out IO file\n", td->thread_number); |
1244 | ||
02983297 JA |
1245 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
1246 | if (td->fd < 0) { | |
1247 | td->error = errno; | |
1248 | return 1; | |
1249 | } | |
1250 | ||
7889f07b JA |
1251 | td->kb = td->file_size >> 10; |
1252 | b = malloc(td->max_bs); | |
1253 | memset(b, 0, td->max_bs); | |
1254 | ||
1255 | left = td->file_size; | |
1256 | while (left) { | |
1257 | bs = td->max_bs; | |
1258 | if (bs > left) | |
1259 | bs = left; | |
02983297 | 1260 | |
7889f07b | 1261 | r = write(td->fd, b, bs); |
02983297 | 1262 | |
7889f07b JA |
1263 | if (r == bs) { |
1264 | left -= bs; | |
02983297 | 1265 | continue; |
7889f07b | 1266 | } else { |
02983297 JA |
1267 | if (r < 0) |
1268 | td->error = errno; | |
1269 | else | |
1270 | td->error = EIO; | |
1271 | ||
1272 | break; | |
1273 | } | |
1274 | } | |
1275 | ||
fc097bfe JA |
1276 | if (td->create_fsync) |
1277 | fsync(td->fd); | |
1278 | ||
02983297 JA |
1279 | close(td->fd); |
1280 | td->fd = -1; | |
1281 | free(b); | |
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | static int file_exists(struct thread_data *td) | |
1286 | { | |
1287 | struct stat st; | |
1288 | ||
1289 | if (stat(td->file_name, &st) != -1) | |
1290 | return 1; | |
1291 | ||
1292 | return errno != ENOENT; | |
1293 | } | |
1294 | ||
1295 | static int setup_file(struct thread_data *td) | |
1296 | { | |
1297 | struct stat st; | |
1298 | int flags = 0; | |
1299 | ||
1300 | if (!file_exists(td)) { | |
1301 | if (!td->create_file) { | |
1302 | td->error = ENOENT; | |
1303 | return 1; | |
1304 | } | |
1305 | if (create_file(td)) | |
1306 | return 1; | |
1307 | } | |
1308 | ||
1309 | if (td->odirect) | |
1310 | flags |= O_DIRECT; | |
1311 | ||
1312 | if (td_read(td)) | |
1313 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1314 | else { | |
1315 | if (!td->overwrite) | |
1316 | flags |= O_TRUNC; | |
74b4b5fb JA |
1317 | if (td->sync_io) |
1318 | flags |= O_SYNC; | |
e8457004 JA |
1319 | if (td->verify) |
1320 | flags |= O_RDWR; | |
1321 | else | |
1322 | flags |= O_WRONLY; | |
02983297 | 1323 | |
e8457004 | 1324 | td->fd = open(td->file_name, flags | O_CREAT, 0600); |
02983297 JA |
1325 | } |
1326 | ||
1327 | if (td->fd == -1) { | |
1328 | td->error = errno; | |
1329 | return 1; | |
1330 | } | |
1331 | ||
1332 | if (td_read(td)) { | |
1333 | if (fstat(td->fd, &st) == -1) { | |
1334 | td->error = errno; | |
1335 | return 1; | |
1336 | } | |
1337 | ||
1338 | if (td->file_size > st.st_size) | |
1339 | st.st_size = td->file_size; | |
1340 | } else { | |
1341 | if (!td->file_size) | |
1342 | td->file_size = 1024 * 1024 * 1024; | |
1343 | ||
1344 | st.st_size = td->file_size; | |
1345 | } | |
1346 | ||
7889f07b JA |
1347 | td->kb = (st.st_size - td->file_offset) / 1024; |
1348 | if (!td->kb) { | |
02983297 JA |
1349 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); |
1350 | td->error = EINVAL; | |
1351 | return 1; | |
1352 | } | |
1353 | ||
b95799ca JA |
1354 | if (td->invalidate_cache) { |
1355 | if (fadvise(td->fd, 0, st.st_size, POSIX_FADV_DONTNEED) < 0) { | |
1356 | td->error = errno; | |
1357 | return 1; | |
1358 | } | |
1359 | } | |
1360 | ||
02983297 JA |
1361 | return 0; |
1362 | } | |
1363 | ||
5c24b2c4 | 1364 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1365 | { |
1366 | struct thread_data *td; | |
02983297 | 1367 | int ret = 1; |
2c83567e | 1368 | void *data; |
892199bd | 1369 | |
7292613b JA |
1370 | setsid(); |
1371 | ||
892199bd | 1372 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1373 | if (data == (void *) -1) { |
1374 | perror("shmat"); | |
1375 | return NULL; | |
1376 | } | |
1377 | ||
892199bd JA |
1378 | td = data + offset * sizeof(struct thread_data); |
1379 | td->pid = getpid(); | |
1380 | ||
99c6704f JA |
1381 | if (init_io_u(td)) |
1382 | goto err; | |
2c83567e | 1383 | |
18e0b78c JA |
1384 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1385 | td->error = errno; | |
1386 | goto err; | |
1387 | } | |
1388 | ||
4240cfa1 | 1389 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1390 | |
43000118 JA |
1391 | if (td->use_aio && init_aio(td)) |
1392 | goto err; | |
1393 | ||
892199bd | 1394 | if (init_random_state(td)) |
599002b3 | 1395 | goto err; |
892199bd | 1396 | |
f737299d | 1397 | if (td->ioprio) { |
892199bd JA |
1398 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1399 | td->error = errno; | |
599002b3 | 1400 | goto err; |
892199bd JA |
1401 | } |
1402 | } | |
1403 | ||
1404 | sem_post(&startup_sem); | |
1405 | sem_wait(&td->mutex); | |
43000118 | 1406 | |
fc097bfe JA |
1407 | if (!td->create_serialize && setup_file(td)) |
1408 | goto err; | |
1409 | ||
7292613b JA |
1410 | gettimeofday(&td->start, NULL); |
1411 | ||
1412 | if (td->ratemin) | |
1413 | memcpy(&td->lastrate, &td->start, sizeof(td->start)); | |
1414 | ||
fd1ae4c9 JA |
1415 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); |
1416 | ||
b6794fbf | 1417 | while (td->loops--) { |
cfc702bd | 1418 | if (!td->use_aio) { |
b6794fbf | 1419 | do_sync_io(td); |
cfc702bd JA |
1420 | |
1421 | if (td->verify) { | |
f8e3d840 | 1422 | if (!do_sync_verify(td)) |
cfc702bd JA |
1423 | break; |
1424 | } | |
1425 | } else { | |
b6794fbf | 1426 | do_async_io(td); |
cfc702bd JA |
1427 | |
1428 | if (td->verify) { | |
f8e3d840 | 1429 | if (!do_async_verify(td)) |
cfc702bd JA |
1430 | break; |
1431 | } | |
1432 | } | |
b6794fbf | 1433 | } |
7292613b | 1434 | |
be33abe4 | 1435 | td->runtime = mtime_since_now(&td->start); |
892199bd | 1436 | ret = 0; |
a0a9b35b JA |
1437 | |
1438 | if (td->bw_log) | |
1439 | finish_log(td, td->bw_log, "bw"); | |
1440 | if (td->lat_log) | |
1441 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1442 | |
98dd52d6 JA |
1443 | if (exitall_on_terminate) |
1444 | sig_handler(0); | |
1445 | ||
892199bd | 1446 | err: |
7292613b JA |
1447 | if (td->fd != -1) { |
1448 | close(td->fd); | |
1449 | td->fd = -1; | |
1450 | } | |
4ac89145 JA |
1451 | if (td->use_aio) |
1452 | cleanup_aio(td); | |
2c83567e | 1453 | cleanup_io_u(td); |
599002b3 | 1454 | if (ret) { |
892199bd | 1455 | sem_post(&startup_sem); |
599002b3 JA |
1456 | sem_wait(&td->mutex); |
1457 | } | |
40ef7f64 | 1458 | td_set_runstate(td, TD_EXITED); |
4240cfa1 | 1459 | shmdt(data); |
892199bd JA |
1460 | return NULL; |
1461 | } | |
1462 | ||
5c24b2c4 | 1463 | static void free_shm(void) |
892199bd | 1464 | { |
c269123b JA |
1465 | struct shmid_ds sbuf; |
1466 | ||
1467 | if (threads) { | |
1468 | shmdt(threads); | |
1469 | threads = NULL; | |
1470 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1471 | } | |
892199bd JA |
1472 | } |
1473 | ||
57d753e3 JA |
1474 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1475 | double *mean, double *dev) | |
1476 | { | |
1477 | double n; | |
1478 | ||
1479 | if (is->samples == 0) | |
1480 | return 0; | |
1481 | ||
1482 | *min = is->min_val; | |
1483 | *max = is->max_val; | |
1484 | ||
1485 | n = (double) is->samples; | |
1486 | *mean = (double) is->val / n; | |
1487 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1488 | return 1; | |
1489 | } | |
1490 | ||
5c24b2c4 | 1491 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1492 | { |
1493 | int prio, prio_class; | |
57d753e3 JA |
1494 | unsigned long min, max, bw = 0; |
1495 | double mean, dev; | |
892199bd | 1496 | |
8c033f93 | 1497 | if (!td->io_kb && !td->error) |
213b446c JA |
1498 | return; |
1499 | ||
892199bd | 1500 | if (td->runtime) |
7889f07b | 1501 | bw = td->io_kb * 1024 / td->runtime; |
892199bd JA |
1502 | |
1503 | prio = td->ioprio & 0xff; | |
1504 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1505 | ||
396fe7cd | 1506 | printf("Client%d: err=%2d, io=%6luMiB, bw=%6luKiB/s, runt=%6lumsec\n", td->thread_number, td->error, td->io_kb >> 10, bw, td->runtime); |
fd1ae4c9 | 1507 | |
57d753e3 JA |
1508 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1509 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1510 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1511 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1512 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1513 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
892199bd JA |
1514 | } |
1515 | ||
5c24b2c4 | 1516 | static int setup_rate(struct thread_data *td) |
86184d14 | 1517 | { |
4240cfa1 JA |
1518 | int nr_reads_per_sec; |
1519 | ||
1520 | if (!td->rate) | |
1521 | return 0; | |
1522 | ||
1523 | if (td->rate < td->ratemin) { | |
1524 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1525 | return -1; | |
1526 | } | |
86184d14 | 1527 | |
7889f07b | 1528 | nr_reads_per_sec = td->rate * 1024 / td->min_bs; |
86184d14 JA |
1529 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1530 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1531 | return 0; |
86184d14 JA |
1532 | } |
1533 | ||
47d45203 | 1534 | static struct thread_data *get_new_job(int global) |
892199bd | 1535 | { |
4240cfa1 JA |
1536 | struct thread_data *td; |
1537 | ||
47d45203 JA |
1538 | if (global) |
1539 | return &def_thread; | |
8867c0a8 | 1540 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1541 | return NULL; |
1542 | ||
1543 | td = &threads[thread_number++]; | |
fc24389f | 1544 | memset(td, 0, sizeof(*td)); |
892199bd | 1545 | |
e4ed35c3 | 1546 | td->fd = -1; |
86184d14 | 1547 | td->thread_number = thread_number; |
76cb7b42 | 1548 | |
47d45203 | 1549 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1550 | td->ioprio = def_thread.ioprio; |
1551 | td->sequential = def_thread.sequential; | |
47d45203 | 1552 | td->bs = def_thread.bs; |
8c033f93 JA |
1553 | td->min_bs = def_thread.min_bs; |
1554 | td->max_bs = def_thread.max_bs; | |
47d45203 | 1555 | td->odirect = def_thread.odirect; |
e97712ed | 1556 | td->thinktime = def_thread.thinktime; |
76cb7b42 JA |
1557 | td->fsync_blocks = def_thread.fsync_blocks; |
1558 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1559 | td->timeout = def_thread.timeout; |
76cb7b42 | 1560 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1561 | td->create_file = def_thread.create_file; |
1562 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1563 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1564 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1565 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1566 | td->rate = def_thread.rate; |
1567 | td->ratemin = def_thread.ratemin; | |
1568 | td->ratecycle = def_thread.ratecycle; | |
1569 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1570 | td->sync_io = def_thread.sync_io; |
1571 | td->mem_type = def_thread.mem_type; | |
1d035750 | 1572 | td->bw_avg_time = def_thread.bw_avg_time; |
fc097bfe JA |
1573 | td->create_serialize = def_thread.create_serialize; |
1574 | td->create_fsync = def_thread.create_fsync; | |
b6794fbf | 1575 | td->loops = def_thread.loops; |
cfc702bd | 1576 | td->verify = def_thread.verify; |
47d45203 | 1577 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1578 | |
1579 | return td; | |
1580 | } | |
1581 | ||
4240cfa1 JA |
1582 | static void put_job(struct thread_data *td) |
1583 | { | |
1584 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1585 | thread_number--; | |
1586 | } | |
1587 | ||
5c24b2c4 JA |
1588 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1589 | int prio) | |
f737299d | 1590 | { |
47d45203 JA |
1591 | if (td == &def_thread) |
1592 | return 0; | |
1593 | ||
f737299d | 1594 | strcpy(td->file_name, filename); |
4240cfa1 | 1595 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1596 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1597 | ||
57d753e3 JA |
1598 | td->clat_stat.min_val = ULONG_MAX; |
1599 | td->slat_stat.min_val = ULONG_MAX; | |
1600 | td->bw_stat.min_val = ULONG_MAX; | |
1601 | ||
8dbff0b1 JA |
1602 | run_str[td->thread_number - 1] = 'P'; |
1603 | ||
4ac89145 JA |
1604 | if (td->use_aio && !td->aio_depth) |
1605 | td->aio_depth = 1; | |
43000118 | 1606 | |
8bdcfab5 JA |
1607 | if (td->min_bs == -1) |
1608 | td->min_bs = td->bs; | |
1609 | if (td->max_bs == -1) | |
1610 | td->max_bs = td->bs; | |
1611 | ||
4240cfa1 JA |
1612 | if (setup_rate(td)) |
1613 | return -1; | |
f737299d | 1614 | |
a0a9b35b JA |
1615 | if (write_lat_log) |
1616 | setup_log(&td->lat_log); | |
1617 | if (write_bw_log) | |
1618 | setup_log(&td->bw_log); | |
1619 | ||
7889f07b | 1620 | printf("Client%d: file=%s, rw=%d, prio=%d/%d, seq=%d, odir=%d, bs=%d-%d, rate=%d, aio=%d, aio_depth=%d\n", td->thread_number, filename, td->ddir, prioclass, prio, td->sequential, td->odirect, td->min_bs, td->max_bs, td->rate, td->use_aio, td->aio_depth); |
4240cfa1 | 1621 | return 0; |
892199bd JA |
1622 | } |
1623 | ||
18e0b78c JA |
1624 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1625 | { | |
f737299d | 1626 | unsigned int i; |
18e0b78c JA |
1627 | |
1628 | CPU_ZERO(&cpumask); | |
1629 | ||
1630 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1631 | if ((1 << i) & cpu) | |
1632 | CPU_SET(i, &cpumask); | |
1633 | } | |
1634 | } | |
1635 | ||
7889f07b JA |
1636 | unsigned long get_mult(char c) |
1637 | { | |
1638 | switch (c) { | |
1639 | case 'k': | |
1640 | case 'K': | |
1641 | return 1024; | |
1642 | case 'm': | |
1643 | case 'M': | |
1644 | return 1024 * 1024; | |
1645 | case 'g': | |
1646 | case 'G': | |
1647 | return 1024 * 1024 * 1024; | |
1648 | default: | |
1649 | return 1; | |
1650 | } | |
1651 | } | |
1652 | ||
02983297 JA |
1653 | /* |
1654 | * convert string after '=' into decimal value, noting any size suffix | |
1655 | */ | |
1656 | static int str_cnv(char *p, unsigned long long *val) | |
1657 | { | |
02983297 JA |
1658 | char *str; |
1659 | int len; | |
1660 | ||
1661 | str = strstr(p, "="); | |
1662 | if (!str) | |
1663 | return 1; | |
1664 | ||
1665 | str++; | |
1666 | len = strlen(str); | |
02983297 JA |
1667 | |
1668 | *val = strtoul(str, NULL, 10); | |
1669 | if (*val == ULONG_MAX && errno == ERANGE) | |
1670 | return 1; | |
1671 | ||
7889f07b | 1672 | *val *= get_mult(str[len - 2]); |
02983297 | 1673 | return 0; |
02983297 JA |
1674 | } |
1675 | ||
02983297 JA |
1676 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1677 | { | |
1678 | if (!strstr(p, name)) | |
1679 | return 1; | |
1680 | ||
1681 | return str_cnv(p, val); | |
1682 | } | |
1683 | ||
99c6704f JA |
1684 | static int check_str(char *p, char *name, char *option) |
1685 | { | |
1686 | char *s = strstr(p, name); | |
1687 | ||
1688 | if (!s) | |
1689 | return 1; | |
1690 | ||
1691 | s += strlen(name); | |
1692 | if (strstr(s, option)) | |
1693 | return 0; | |
1694 | ||
1695 | return 1; | |
1696 | } | |
1697 | ||
7889f07b JA |
1698 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
1699 | { | |
1700 | char str[128]; | |
1701 | char s1, s2; | |
1702 | ||
1703 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
1704 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1705 | *s *= get_mult(s1); | |
1706 | *e *= get_mult(s2); | |
1707 | return 0; | |
1708 | } | |
1709 | ||
1710 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
1711 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1712 | *s *= get_mult(s1); | |
1713 | *e *= get_mult(s2); | |
1714 | return 0; | |
1715 | } | |
1716 | ||
1717 | sprintf(str, "%s=%%lu-%%lu", name); | |
1718 | if (sscanf(p, str, s, e) == 2) | |
1719 | return 0; | |
1720 | ||
1721 | sprintf(str, "%s = %%lu-%%lu", name); | |
1722 | if (sscanf(p, str, s, e) == 2) | |
1723 | return 0; | |
1724 | ||
1725 | return 1; | |
1726 | ||
1727 | } | |
1728 | ||
5c24b2c4 | 1729 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1730 | { |
1731 | char str[128]; | |
1732 | ||
1733 | sprintf(str, "%s=%%d", name); | |
1734 | if (sscanf(p, str, val) == 1) | |
1735 | return 0; | |
1736 | ||
1737 | sprintf(str, "%s = %%d", name); | |
1738 | if (sscanf(p, str, val) == 1) | |
1739 | return 0; | |
1740 | ||
1741 | return 1; | |
1742 | } | |
1743 | ||
7292613b | 1744 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1745 | { |
1746 | unsigned int i; | |
1747 | ||
7292613b | 1748 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1749 | if (line[i] == ';') |
47d45203 JA |
1750 | return 1; |
1751 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
1752 | return 0; |
1753 | } | |
7dd1389e JA |
1754 | |
1755 | return 1; | |
1756 | } | |
1757 | ||
5c24b2c4 | 1758 | static int parse_jobs_ini(char *file) |
7dd1389e | 1759 | { |
47d45203 | 1760 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 1761 | unsigned long long ull; |
7889f07b | 1762 | unsigned long ul1, ul2; |
f737299d | 1763 | struct thread_data *td; |
7dd1389e JA |
1764 | char *string, *name; |
1765 | fpos_t off; | |
1766 | FILE *f; | |
1767 | char *p; | |
1768 | ||
1769 | f = fopen(file, "r"); | |
1770 | if (!f) { | |
1771 | perror("fopen"); | |
4240cfa1 | 1772 | return 1; |
7dd1389e JA |
1773 | } |
1774 | ||
1775 | string = malloc(4096); | |
1776 | name = malloc(256); | |
1777 | ||
7dd1389e | 1778 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
1779 | if (is_empty_or_comment(p)) |
1780 | continue; | |
7dd1389e JA |
1781 | if (sscanf(p, "[%s]", name) != 1) |
1782 | continue; | |
1783 | ||
47d45203 JA |
1784 | global = !strncmp(name, "global", 6); |
1785 | ||
7dd1389e JA |
1786 | name[strlen(name) - 1] = '\0'; |
1787 | ||
47d45203 | 1788 | td = get_new_job(global); |
4240cfa1 JA |
1789 | if (!td) |
1790 | break; | |
f737299d | 1791 | |
7dd1389e | 1792 | prioclass = 2; |
f737299d | 1793 | prio = 4; |
7dd1389e JA |
1794 | |
1795 | fgetpos(f, &off); | |
1796 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 1797 | if (is_empty_or_comment(p)) |
e6402082 JA |
1798 | continue; |
1799 | if (strstr(p, "[")) | |
7dd1389e | 1800 | break; |
f737299d | 1801 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
1802 | fgetpos(f, &off); |
1803 | continue; | |
1804 | } | |
1805 | if (!check_int(p, "prio", &prio)) { | |
1806 | fgetpos(f, &off); | |
1807 | continue; | |
1808 | } | |
1809 | if (!check_int(p, "prioclass", &prioclass)) { | |
1810 | fgetpos(f, &off); | |
1811 | continue; | |
1812 | } | |
f737299d | 1813 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
1814 | fgetpos(f, &off); |
1815 | continue; | |
1816 | } | |
f737299d | 1817 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
1818 | fgetpos(f, &off); |
1819 | continue; | |
1820 | } | |
4240cfa1 JA |
1821 | if (!check_int(p, "ratemin", &td->ratemin)) { |
1822 | fgetpos(f, &off); | |
1823 | continue; | |
1824 | } | |
1825 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
1826 | fgetpos(f, &off); | |
1827 | continue; | |
1828 | } | |
e97712ed | 1829 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
1830 | fgetpos(f, &off); |
1831 | continue; | |
1832 | } | |
18e0b78c | 1833 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 1834 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1835 | fgetpos(f, &off); |
1836 | continue; | |
1837 | } | |
4240cfa1 JA |
1838 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
1839 | fgetpos(f, &off); | |
1840 | continue; | |
1841 | } | |
fc24389f JA |
1842 | if (!check_int(p, "startdelay", &td->start_delay)) { |
1843 | fgetpos(f, &off); | |
1844 | continue; | |
1845 | } | |
67903a2e JA |
1846 | if (!check_int(p, "timeout", &td->timeout)) { |
1847 | fgetpos(f, &off); | |
1848 | continue; | |
1849 | } | |
b95799ca JA |
1850 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
1851 | fgetpos(f, &off); | |
1852 | continue; | |
1853 | } | |
43000118 JA |
1854 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
1855 | fgetpos(f, &off); | |
1856 | continue; | |
1857 | } | |
74b4b5fb JA |
1858 | if (!check_int(p, "sync", &td->sync_io)) { |
1859 | fgetpos(f, &off); | |
1860 | continue; | |
1861 | } | |
1d035750 JA |
1862 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
1863 | fgetpos(f, &off); | |
1864 | continue; | |
1865 | } | |
fc097bfe JA |
1866 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
1867 | fgetpos(f, &off); | |
1868 | continue; | |
1869 | } | |
1870 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
1871 | fgetpos(f, &off); | |
1872 | continue; | |
1873 | } | |
b6794fbf JA |
1874 | if (!check_int(p, "loops", &td->loops)) { |
1875 | fgetpos(f, &off); | |
1876 | continue; | |
1877 | } | |
e8457004 JA |
1878 | if (!check_int(p, "verify", &td->verify)) { |
1879 | fgetpos(f, &off); | |
1880 | continue; | |
1881 | } | |
7889f07b JA |
1882 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
1883 | td->min_bs = ul1; | |
1884 | td->max_bs = ul2; | |
1885 | fgetpos(f, &off); | |
1886 | continue; | |
1887 | } | |
8c033f93 JA |
1888 | if (!check_strcnv(p, "bs", &ull)) { |
1889 | td->bs = ull; | |
1890 | fgetpos(f, &off); | |
1891 | continue; | |
1892 | } | |
02983297 JA |
1893 | if (!check_strcnv(p, "size", &td->file_size)) { |
1894 | fgetpos(f, &off); | |
1895 | continue; | |
1896 | } | |
1897 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
1898 | fgetpos(f, &off); | |
1899 | continue; | |
1900 | } | |
99c6704f | 1901 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
1902 | td->mem_type = MEM_MALLOC; |
1903 | fgetpos(f, &off); | |
1904 | continue; | |
1905 | } | |
1906 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
1907 | td->mem_type = MEM_SHM; |
1908 | fgetpos(f, &off); | |
1909 | continue; | |
1910 | } | |
43000118 | 1911 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 1912 | td->sequential = 1; |
7dd1389e JA |
1913 | fgetpos(f, &off); |
1914 | continue; | |
1915 | } | |
43000118 | 1916 | if (!strncmp(p, "random", 6)) { |
f737299d | 1917 | td->sequential = 0; |
7dd1389e JA |
1918 | fgetpos(f, &off); |
1919 | continue; | |
1920 | } | |
43000118 JA |
1921 | if (!strncmp(p, "aio", 3)) { |
1922 | td->use_aio = 1; | |
1923 | fgetpos(f, &off); | |
1924 | continue; | |
1925 | } | |
02983297 JA |
1926 | if (!strncmp(p, "create", 6)) { |
1927 | td->create_file = 1; | |
1928 | fgetpos(f, &off); | |
1929 | continue; | |
1930 | } | |
1931 | if (!strncmp(p, "overwrite", 9)) { | |
1932 | td->overwrite = 1; | |
1933 | fgetpos(f, &off); | |
1934 | continue; | |
1935 | } | |
98dd52d6 JA |
1936 | if (!strncmp(p, "exitall", 7)) { |
1937 | exitall_on_terminate = 1; | |
1938 | fgetpos(f, &off); | |
1939 | continue; | |
1940 | } | |
e6402082 | 1941 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
1942 | } |
1943 | fsetpos(f, &off); | |
1944 | ||
4240cfa1 JA |
1945 | if (add_job(td, name, prioclass, prio)) |
1946 | put_job(td); | |
7dd1389e JA |
1947 | } |
1948 | ||
1949 | free(string); | |
1950 | free(name); | |
fc7d63df | 1951 | fclose(f); |
4240cfa1 | 1952 | return 0; |
7dd1389e JA |
1953 | } |
1954 | ||
5c24b2c4 | 1955 | static int parse_options(int argc, char *argv[]) |
892199bd | 1956 | { |
01c4d8de | 1957 | int i; |
892199bd JA |
1958 | |
1959 | for (i = 1; i < argc; i++) { | |
1960 | char *parm = argv[i]; | |
1961 | ||
1962 | if (parm[0] != '-') | |
1963 | break; | |
1964 | ||
1965 | parm++; | |
1966 | switch (*parm) { | |
1967 | case 's': | |
1968 | parm++; | |
47d45203 | 1969 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
1970 | break; |
1971 | case 'b': | |
1972 | parm++; | |
47d45203 JA |
1973 | def_thread.bs = atoi(parm); |
1974 | def_thread.bs <<= 10; | |
1975 | if (!def_thread.bs) { | |
4240cfa1 | 1976 | printf("bad block size\n"); |
47d45203 | 1977 | def_thread.bs = DEF_BS; |
4240cfa1 | 1978 | } |
892199bd JA |
1979 | break; |
1980 | case 't': | |
1981 | parm++; | |
47d45203 | 1982 | def_thread.timeout = atoi(parm); |
892199bd | 1983 | break; |
892199bd JA |
1984 | case 'r': |
1985 | parm++; | |
1986 | repeatable = !!atoi(parm); | |
1987 | break; | |
02bdd9ba JA |
1988 | case 'R': |
1989 | parm++; | |
1990 | rate_quit = !!atoi(parm); | |
1991 | break; | |
892199bd JA |
1992 | case 'o': |
1993 | parm++; | |
47d45203 | 1994 | def_thread.odirect = !!atoi(parm); |
892199bd | 1995 | break; |
7dd1389e JA |
1996 | case 'f': |
1997 | if (i + 1 >= argc) { | |
1998 | printf("-f needs file as arg\n"); | |
1999 | break; | |
2000 | } | |
2001 | ini_file = strdup(argv[i+1]); | |
a642279f | 2002 | i++; |
7dd1389e | 2003 | break; |
a0a9b35b JA |
2004 | case 'l': |
2005 | write_lat_log = 1; | |
2006 | break; | |
2007 | case 'w': | |
2008 | write_bw_log = 1; | |
2009 | break; | |
892199bd | 2010 | default: |
7dd1389e | 2011 | printf("bad option %s\n", argv[i]); |
892199bd JA |
2012 | break; |
2013 | } | |
2014 | } | |
2015 | ||
892199bd JA |
2016 | return i; |
2017 | } | |
2018 | ||
3f39453a | 2019 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 2020 | int t_rate, int m_rate) |
3f39453a | 2021 | { |
3f39453a JA |
2022 | printf("Threads now running: %d", nr_running); |
2023 | if (m_rate || t_rate) | |
2024 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
2025 | printf(" : [%s]\r", run_str); |
2026 | fflush(stdout); | |
3f39453a JA |
2027 | } |
2028 | ||
40ef7f64 JA |
2029 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
2030 | { | |
2031 | char c = run_str[td->thread_number - 1]; | |
2032 | ||
2033 | if (td->runstate == td->old_runstate) | |
2034 | return; | |
2035 | ||
2036 | switch (td->runstate) { | |
2037 | case TD_REAPED: | |
2038 | c = '_'; | |
2039 | break; | |
f4bb2243 JA |
2040 | case TD_EXITED: |
2041 | c = 'E'; | |
2042 | break; | |
40ef7f64 JA |
2043 | case TD_RUNNING: |
2044 | c = '+'; | |
2045 | break; | |
2046 | case TD_VERIFYING: | |
2047 | c = 'V'; | |
2048 | break; | |
2049 | case TD_CREATED: | |
2050 | c = 'C'; | |
2051 | break; | |
2052 | case TD_NOT_CREATED: | |
2053 | c = 'P'; | |
2054 | break; | |
2055 | default: | |
2056 | printf("state %d\n", td->runstate); | |
2057 | } | |
2058 | ||
2059 | run_str[td->thread_number - 1] = c; | |
2060 | print_thread_status(td, n, t, m); | |
2061 | td->old_runstate = td->runstate; | |
2062 | } | |
2063 | ||
213b446c | 2064 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 2065 | { |
213b446c | 2066 | int i; |
02bdd9ba | 2067 | |
3f39453a JA |
2068 | /* |
2069 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2070 | */ | |
02bdd9ba JA |
2071 | for (i = 0; i < thread_number; i++) { |
2072 | struct thread_data *td = &threads[i]; | |
2073 | ||
40ef7f64 JA |
2074 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
2075 | ||
213b446c JA |
2076 | if (td->runstate != TD_EXITED) |
2077 | continue; | |
02bdd9ba | 2078 | |
40ef7f64 | 2079 | td_set_runstate(td, TD_REAPED); |
213b446c JA |
2080 | waitpid(td->pid, NULL, 0); |
2081 | (*nr_running)--; | |
2082 | (*m_rate) -= td->ratemin; | |
2083 | (*t_rate) -= td->rate; | |
40ef7f64 | 2084 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
e6402082 JA |
2085 | |
2086 | if (td->terminate) | |
2087 | continue; | |
213b446c | 2088 | } |
02bdd9ba JA |
2089 | } |
2090 | ||
fc24389f JA |
2091 | static void run_threads(char *argv[]) |
2092 | { | |
be33abe4 | 2093 | struct timeval genesis; |
fc24389f JA |
2094 | struct thread_data *td; |
2095 | unsigned long spent; | |
213b446c | 2096 | int i, todo, nr_running, m_rate, t_rate; |
fc24389f | 2097 | |
fc24389f JA |
2098 | printf("Starting %d threads\n", thread_number); |
2099 | fflush(stdout); | |
2100 | ||
7292613b JA |
2101 | signal(SIGINT, sig_handler); |
2102 | ||
fc24389f | 2103 | todo = thread_number; |
02bdd9ba | 2104 | nr_running = 0; |
213b446c | 2105 | m_rate = t_rate = 0; |
fc24389f | 2106 | |
8bdcfab5 JA |
2107 | for (i = 0; i < thread_number; i++) { |
2108 | td = &threads[i]; | |
2109 | ||
fc097bfe JA |
2110 | if (!td->create_serialize) |
2111 | continue; | |
2112 | ||
8bdcfab5 JA |
2113 | /* |
2114 | * do file setup here so it happens sequentially, | |
2115 | * we don't want X number of threads getting their | |
2116 | * client data interspersed on disk | |
2117 | */ | |
2118 | if (setup_file(td)) { | |
40ef7f64 | 2119 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2120 | todo--; |
2121 | } | |
2122 | } | |
2123 | ||
2124 | gettimeofday(&genesis, NULL); | |
2125 | ||
213b446c | 2126 | while (todo) { |
3f39453a JA |
2127 | /* |
2128 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2129 | */ | |
fc24389f JA |
2130 | for (i = 0; i < thread_number; i++) { |
2131 | td = &threads[i]; | |
2132 | ||
02bdd9ba | 2133 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2134 | continue; |
2135 | ||
213b446c JA |
2136 | /* |
2137 | * never got a chance to start, killed by other | |
2138 | * thread for some reason | |
2139 | */ | |
2140 | if (td->terminate) { | |
2141 | todo--; | |
2142 | continue; | |
2143 | } | |
2144 | ||
fc24389f | 2145 | if (td->start_delay) { |
be33abe4 | 2146 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2147 | |
2148 | if (td->start_delay * 1000 > spent) | |
2149 | continue; | |
2150 | } | |
2151 | ||
40ef7f64 JA |
2152 | td_set_runstate(td, TD_CREATED); |
2153 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2154 | sem_init(&startup_sem, 1, 1); |
2155 | todo--; | |
2156 | ||
2157 | if (fork()) | |
2158 | sem_wait(&startup_sem); | |
2159 | else { | |
2160 | thread_main(shm_id, i, argv); | |
2161 | exit(0); | |
2162 | } | |
2163 | } | |
2164 | ||
3f39453a | 2165 | /* |
e8457004 | 2166 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2167 | */ |
fc24389f JA |
2168 | for (i = 0; i < thread_number; i++) { |
2169 | struct thread_data *td = &threads[i]; | |
2170 | ||
3f39453a JA |
2171 | if (td->runstate != TD_CREATED) |
2172 | continue; | |
2173 | ||
40ef7f64 | 2174 | td_set_runstate(td, TD_RUNNING); |
3f39453a JA |
2175 | nr_running++; |
2176 | m_rate += td->ratemin; | |
2177 | t_rate += td->rate; | |
40ef7f64 | 2178 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2179 | sem_post(&td->mutex); |
fc24389f JA |
2180 | } |
2181 | ||
e8457004 JA |
2182 | for (i = 0; i < thread_number; i++) { |
2183 | struct thread_data *td = &threads[i]; | |
2184 | ||
2185 | if (td->runstate == TD_RUNNING) | |
2186 | run_str[td->thread_number - 1] = '+'; | |
2187 | else if (td->runstate == TD_VERIFYING) | |
2188 | run_str[td->thread_number - 1] = 'V'; | |
2189 | else | |
2190 | continue; | |
2191 | ||
40ef7f64 | 2192 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2193 | } |
2194 | ||
213b446c | 2195 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2196 | |
fc24389f JA |
2197 | if (todo) |
2198 | usleep(100000); | |
2199 | } | |
02bdd9ba JA |
2200 | |
2201 | while (nr_running) { | |
213b446c | 2202 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2203 | usleep(10000); |
2204 | } | |
fc24389f JA |
2205 | } |
2206 | ||
8867c0a8 | 2207 | int setup_thread_area(void) |
892199bd | 2208 | { |
8867c0a8 JA |
2209 | /* |
2210 | * 1024 is too much on some machines, scale max_jobs if | |
2211 | * we get a failure that looks like too large a shm segment | |
2212 | */ | |
2213 | do { | |
2214 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2215 | |
8867c0a8 JA |
2216 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2217 | if (shm_id != -1) | |
2218 | break; | |
2219 | if (errno != EINVAL) { | |
2220 | perror("shmget"); | |
2221 | break; | |
2222 | } | |
2223 | ||
2224 | max_jobs >>= 1; | |
d4fac444 | 2225 | } while (max_jobs); |
8867c0a8 JA |
2226 | |
2227 | if (shm_id == -1) | |
892199bd | 2228 | return 1; |
892199bd JA |
2229 | |
2230 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2231 | if (threads == (void *) -1) { |
86184d14 JA |
2232 | perror("shmat"); |
2233 | return 1; | |
2234 | } | |
892199bd JA |
2235 | |
2236 | atexit(free_shm); | |
8867c0a8 JA |
2237 | return 0; |
2238 | } | |
2239 | ||
2240 | int main(int argc, char *argv[]) | |
2241 | { | |
8c033f93 | 2242 | static unsigned long max_run[2], min_run[2]; |
57d753e3 | 2243 | static unsigned long max_bw[2], min_bw[2]; |
22334044 | 2244 | static unsigned long io_mb[2], agg[2]; |
8867c0a8 JA |
2245 | int i; |
2246 | ||
2247 | if (setup_thread_area()) | |
2248 | return 1; | |
892199bd | 2249 | |
47d45203 | 2250 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2251 | perror("sched_getaffinity"); |
2252 | return 1; | |
2253 | } | |
2254 | ||
47d45203 JA |
2255 | /* |
2256 | * fill globals | |
2257 | */ | |
2258 | def_thread.ddir = DDIR_READ; | |
2259 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2260 | def_thread.min_bs = -1; |
2261 | def_thread.max_bs = -1; | |
02983297 | 2262 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2263 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2264 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2265 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2266 | def_thread.create_file = DEF_CREATE; |
2267 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2268 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2269 | def_thread.sync_io = DEF_SYNCIO; |
2270 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2271 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
fc097bfe JA |
2272 | def_thread.create_serialize = DEF_CREATE_SER; |
2273 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
b6794fbf | 2274 | def_thread.loops = DEF_LOOPS; |
cfc702bd | 2275 | def_thread.verify = DEF_VERIFY; |
47d45203 | 2276 | |
892199bd | 2277 | i = parse_options(argc, argv); |
7dd1389e | 2278 | |
5961d92c JA |
2279 | if (!ini_file) { |
2280 | printf("Need job file\n"); | |
2281 | return 1; | |
2282 | } | |
2283 | ||
2284 | if (parse_jobs_ini(ini_file)) | |
2285 | return 1; | |
7dd1389e | 2286 | |
4240cfa1 JA |
2287 | if (!thread_number) { |
2288 | printf("Nothing to do\n"); | |
2289 | return 1; | |
2290 | } | |
7dd1389e | 2291 | |
fc24389f | 2292 | run_threads(argv); |
892199bd | 2293 | |
892199bd JA |
2294 | min_bw[0] = min_run[0] = ~0UL; |
2295 | min_bw[1] = min_run[1] = ~0UL; | |
22334044 JA |
2296 | io_mb[0] = io_mb[1] = 0; |
2297 | agg[0] = agg[1] = 0; | |
892199bd JA |
2298 | for (i = 0; i < thread_number; i++) { |
2299 | struct thread_data *td = &threads[i]; | |
2300 | unsigned long bw = 0; | |
2301 | ||
22334044 JA |
2302 | if (!td->error) { |
2303 | if (td->runtime < min_run[td->ddir]) | |
2304 | min_run[td->ddir] = td->runtime; | |
2305 | if (td->runtime > max_run[td->ddir]) | |
2306 | max_run[td->ddir] = td->runtime; | |
892199bd | 2307 | |
892199bd | 2308 | if (td->runtime) |
22334044 JA |
2309 | bw = td->io_kb * 1024 / td->runtime; |
2310 | if (bw < min_bw[td->ddir]) | |
2311 | min_bw[td->ddir] = bw; | |
2312 | if (bw > max_bw[td->ddir]) | |
2313 | max_bw[td->ddir] = bw; | |
2314 | ||
2315 | io_mb[td->ddir] += td->io_kb >> 10; | |
892199bd JA |
2316 | } |
2317 | ||
2318 | show_thread_status(td); | |
2319 | } | |
22334044 JA |
2320 | |
2321 | if (max_run[0]) | |
2322 | agg[0] = io_mb[0] * 1024 * 1000 / max_run[0]; | |
2323 | if (max_run[1]) | |
2324 | agg[1] = io_mb[1] * 1024 * 1000 / max_run[1]; | |
2325 | ||
57d753e3 | 2326 | printf("\nRun status:\n"); |
892199bd | 2327 | if (max_run[DDIR_READ]) |
22334044 | 2328 | printf(" READ: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", io_mb[0], agg[0], min_bw[0], max_bw[0], min_run[0], max_run[0]); |
892199bd | 2329 | if (max_run[DDIR_WRITE]) |
22334044 | 2330 | printf(" WRITE: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", io_mb[1], agg[1], min_bw[1], max_bw[1], min_run[1], max_run[1]); |
fc24389f | 2331 | |
892199bd JA |
2332 | return 0; |
2333 | } |