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; |
d32d9284 | 404 | long r; |
892199bd JA |
405 | |
406 | if (!td->sequential) { | |
d32d9284 | 407 | lrand48_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; | |
d32d9284 | 418 | long r; |
7889f07b JA |
419 | |
420 | if (td->min_bs == td->max_bs) | |
421 | buflen = td->min_bs; | |
422 | else { | |
d32d9284 | 423 | lrand48_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 | ||
840b216f | 605 | if (hdr->fio_magic != FIO_HDR_MAGIC) |
e8457004 JA |
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 | ||
f0f3411b JA |
623 | if (back) |
624 | *back = 0; | |
e8457004 JA |
625 | |
626 | left = io_u->buflen; | |
627 | buf = io_u->buf; | |
628 | off = io_u->offset; | |
629 | while (left) { | |
630 | hdr = (struct verify_header *) buf; | |
631 | i.buf = buf; | |
632 | i.buflen = hdr->len; | |
633 | ||
634 | if (hdr->len > left) { | |
f0f3411b JA |
635 | if (back) |
636 | *back = left; | |
e8457004 JA |
637 | return 0; |
638 | } | |
639 | ||
640 | if (verify_io_u(td, &i)) { | |
641 | printf("failed verify at offset %lu\n", (unsigned long) off); | |
f0f3411b | 642 | td->error = EBADMSG; |
e8457004 JA |
643 | return 1; |
644 | } | |
645 | ||
646 | buf += hdr->len; | |
647 | left -= hdr->len; | |
648 | off += hdr->len; | |
649 | } | |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
cfc702bd JA |
654 | /* |
655 | * fill body of io_u->buf with random data and add a header with the | |
656 | * (eg) sha1sum of that data. | |
657 | */ | |
e8457004 | 658 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 659 | { |
e8457004 JA |
660 | struct md5_ctx md5_ctx; |
661 | struct verify_header hdr; | |
662 | unsigned char *p = (unsigned char *) io_u->buf; | |
663 | ||
664 | hdr.fio_magic = FIO_HDR_MAGIC; | |
665 | hdr.len = io_u->buflen; | |
666 | p += sizeof(hdr); | |
667 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
668 | ||
669 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
670 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
671 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
672 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
673 | } |
674 | ||
2c83567e JA |
675 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
676 | { | |
677 | list_del(&io_u->list); | |
678 | list_add(&io_u->list, &td->io_u_freelist); | |
679 | td->cur_depth--; | |
680 | } | |
681 | ||
f0f3411b JA |
682 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
683 | ||
e8457004 JA |
684 | static struct io_u *__get_io_u(struct thread_data *td) |
685 | { | |
686 | struct io_u *io_u; | |
687 | ||
f0f3411b | 688 | if (queue_full(td)) |
e8457004 JA |
689 | return NULL; |
690 | ||
691 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
692 | list_del(&io_u->list); | |
693 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 694 | td->cur_depth++; |
e8457004 JA |
695 | return io_u; |
696 | } | |
697 | ||
2c83567e JA |
698 | static struct io_u *get_io_u(struct thread_data *td) |
699 | { | |
700 | struct io_u *io_u; | |
701 | ||
e8457004 JA |
702 | io_u = __get_io_u(td); |
703 | if (!io_u) | |
2c83567e JA |
704 | return NULL; |
705 | ||
b2a369fb JA |
706 | io_u->offset = get_next_offset(td); |
707 | io_u->buflen = get_next_buflen(td); | |
708 | if (!io_u->buflen) { | |
e8457004 | 709 | put_io_u(td, io_u); |
7889f07b | 710 | return NULL; |
e8457004 | 711 | } |
2c83567e | 712 | |
cfc702bd | 713 | if (!td_read(td) && td->verify) |
e8457004 | 714 | populate_io_u(td, io_u); |
cfc702bd | 715 | |
2c83567e JA |
716 | if (td->use_aio) { |
717 | if (td_read(td)) | |
718 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
719 | else | |
720 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
721 | } | |
722 | ||
57d753e3 | 723 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
724 | return io_u; |
725 | } | |
726 | ||
40ef7f64 JA |
727 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
728 | { | |
729 | td->old_runstate = td->runstate; | |
730 | td->runstate = runstate; | |
731 | } | |
732 | ||
cfc702bd JA |
733 | static int do_sync_verify(struct thread_data *td) |
734 | { | |
40ef7f64 | 735 | struct timeval t; |
e8457004 JA |
736 | struct io_u *io_u = NULL; |
737 | loff_t off = 0; | |
738 | int back, ret; | |
739 | ||
40ef7f64 | 740 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
741 | |
742 | io_u = __get_io_u(td); | |
743 | ||
744 | if (lseek(td->fd, 0, SEEK_SET) < 0) { | |
745 | td->error = errno; | |
746 | goto out; | |
747 | } | |
748 | ||
40ef7f64 JA |
749 | if (!td->odirect) { |
750 | unsigned long size = td->kb << 10; | |
751 | ||
752 | if (fadvise(td->fd, 0, size, POSIX_FADV_DONTNEED) < 0) { | |
753 | td->error = errno; | |
754 | goto out; | |
755 | } | |
756 | } | |
757 | ||
e8457004 JA |
758 | do { |
759 | if (td->terminate) | |
760 | break; | |
40ef7f64 JA |
761 | |
762 | gettimeofday(&t, NULL); | |
763 | if (runtime_exceeded(td, &t)) | |
764 | break; | |
765 | ||
e8457004 JA |
766 | io_u->offset = off; |
767 | io_u->buflen = td->max_bs; | |
768 | ||
769 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
770 | if (ret < (int) io_u->buflen) { | |
771 | if (ret == -1) { | |
772 | td->error = errno; | |
773 | break; | |
774 | } else if (!ret) | |
775 | break; | |
776 | else | |
777 | io_u->buflen = ret; | |
778 | } | |
779 | ||
780 | if (verify_io_us(td, io_u, &back)) | |
781 | break; | |
782 | ||
783 | if (back) { | |
840b216f | 784 | printf("will seek %d %d\n", ret, back); |
f8e3d840 | 785 | ret -= back; |
e8457004 JA |
786 | if (lseek(td->fd, -back, SEEK_CUR) < 0) { |
787 | td->error = errno; | |
788 | break; | |
789 | } | |
790 | } | |
791 | ||
792 | off += ret; | |
793 | } while (1); | |
794 | ||
795 | out: | |
40ef7f64 | 796 | td_set_runstate(td, TD_RUNNING); |
e8457004 JA |
797 | put_io_u(td, io_u); |
798 | ||
799 | return td->error == 0; | |
cfc702bd JA |
800 | } |
801 | ||
43000118 | 802 | static void do_sync_io(struct thread_data *td) |
892199bd | 803 | { |
7889f07b | 804 | unsigned long msec, usec; |
e8457004 | 805 | struct io_u *io_u = NULL; |
2c83567e | 806 | struct timeval e; |
892199bd | 807 | |
d32d9284 | 808 | while (td->this_io_kb < td->kb) { |
892199bd JA |
809 | int ret; |
810 | ||
811 | if (td->terminate) | |
812 | break; | |
813 | ||
2c83567e | 814 | io_u = get_io_u(td); |
7889f07b JA |
815 | if (!io_u) |
816 | break; | |
2c83567e | 817 | |
63a09e51 JA |
818 | if (td->cur_off != io_u->offset) { |
819 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
820 | td->error = errno; | |
821 | break; | |
822 | } | |
892199bd JA |
823 | } |
824 | ||
02983297 | 825 | if (td_read(td)) |
2c83567e | 826 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 827 | else |
2c83567e | 828 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 829 | |
2c83567e | 830 | if (ret < (int) io_u->buflen) { |
892199bd JA |
831 | if (ret == -1) |
832 | td->error = errno; | |
833 | break; | |
834 | } | |
835 | ||
4240cfa1 | 836 | td->io_blocks++; |
8c033f93 | 837 | td->io_kb += io_u->buflen >> 10; |
f8e3d840 | 838 | td->this_io_kb += io_u->buflen >> 10; |
63a09e51 | 839 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 840 | |
86184d14 JA |
841 | gettimeofday(&e, NULL); |
842 | ||
57d753e3 | 843 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 844 | |
9e850933 | 845 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 846 | |
4240cfa1 JA |
847 | if (check_min_rate(td, &e)) { |
848 | td->error = ENODATA; | |
849 | break; | |
850 | } | |
892199bd | 851 | |
4240cfa1 | 852 | msec = usec / 1000; |
57d753e3 JA |
853 | add_clat_sample(td, msec); |
854 | add_bw_sample(td, msec); | |
67903a2e JA |
855 | |
856 | if (runtime_exceeded(td, &e)) | |
857 | break; | |
2c83567e | 858 | |
cdf92433 | 859 | put_io_u(td, io_u); |
e8457004 | 860 | io_u = NULL; |
cdf92433 | 861 | |
e97712ed JA |
862 | if (td->thinktime) |
863 | usec_sleep(td->thinktime); | |
864 | ||
cdf92433 JA |
865 | if (should_fsync(td) && td->fsync_blocks && |
866 | (td->io_blocks % td->fsync_blocks) == 0) | |
867 | fsync(td->fd); | |
892199bd JA |
868 | } |
869 | ||
e8457004 JA |
870 | if (io_u) |
871 | put_io_u(td, io_u); | |
872 | ||
4240cfa1 | 873 | if (should_fsync(td)) |
892199bd | 874 | fsync(td->fd); |
892199bd | 875 | } |
43000118 | 876 | |
2c83567e | 877 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 878 | { |
2c83567e | 879 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
880 | int ret; |
881 | ||
882 | do { | |
254605cd | 883 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
884 | if (ret == 1) |
885 | return 0; | |
a592bd33 | 886 | else if (ret == EAGAIN) |
56b0eff0 | 887 | usleep(100); |
a592bd33 JA |
888 | else if (ret == EINTR) |
889 | continue; | |
56b0eff0 JA |
890 | else |
891 | break; | |
892 | } while (1); | |
893 | ||
a592bd33 | 894 | return ret; |
56b0eff0 JA |
895 | } |
896 | ||
98168d55 | 897 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
898 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
899 | ||
f0f3411b | 900 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
901 | { |
902 | unsigned long msec; | |
903 | struct io_u *io_u; | |
904 | struct timeval e; | |
9e850933 | 905 | int i, bytes_done; |
2c83567e | 906 | |
f0f3411b | 907 | gettimeofday(&e, NULL); |
2c83567e | 908 | |
9e850933 | 909 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
910 | io_u = ev_to_iou(td->aio_events + i); |
911 | ||
f0f3411b JA |
912 | td->io_blocks++; |
913 | td->io_kb += io_u->buflen >> 10; | |
914 | td->this_io_kb += io_u->buflen >> 10; | |
8c033f93 | 915 | |
f0f3411b | 916 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 917 | |
f0f3411b JA |
918 | add_clat_sample(td, msec); |
919 | add_bw_sample(td, msec); | |
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) | |
f0f3411b | 940 | ios_completed(td, r); |
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) | |
f0f3411b | 956 | ios_completed(td, r); |
2c83567e JA |
957 | } |
958 | } | |
98168d55 | 959 | |
d32d9284 JA |
960 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
961 | { | |
962 | struct io_u *v_io_u = *io_u; | |
963 | int ret = 0; | |
964 | ||
965 | if (v_io_u) { | |
966 | ret = verify_io_us(td, v_io_u, NULL); | |
967 | put_io_u(td, v_io_u); | |
968 | *io_u = NULL; | |
969 | } | |
970 | ||
971 | return ret; | |
972 | } | |
973 | ||
cfc702bd JA |
974 | static int do_async_verify(struct thread_data *td) |
975 | { | |
f4bb2243 | 976 | struct timeval t; |
d32d9284 | 977 | struct io_u *io_u, *v_io_u = NULL; |
f0f3411b | 978 | struct verify_header *hdr; |
f4bb2243 | 979 | int ret, back; |
f0f3411b | 980 | char *p; |
f4bb2243 JA |
981 | |
982 | td_set_runstate(td, TD_VERIFYING); | |
983 | ||
f4bb2243 JA |
984 | do { |
985 | if (td->terminate) | |
986 | break; | |
987 | ||
988 | gettimeofday(&t, NULL); | |
989 | if (runtime_exceeded(td, &t)) | |
990 | break; | |
991 | ||
992 | io_u = __get_io_u(td); | |
993 | if (!io_u) | |
994 | break; | |
995 | ||
996 | io_u->offset = td->cur_off; | |
997 | io_u->buflen = td->max_bs; | |
998 | ||
999 | if (io_u->offset + io_u->buflen > (td->kb << 10)) { | |
1000 | io_u->buflen = (td->kb << 10) - io_u->offset; | |
1001 | if (!io_u->buflen) { | |
1002 | put_io_u(td, io_u); | |
1003 | break; | |
1004 | } | |
1005 | } | |
1006 | ||
1007 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
1008 | ret = io_u_queue(td, io_u); | |
1009 | if (ret) { | |
1010 | put_io_u(td, io_u); | |
1011 | td->error = ret; | |
1012 | break; | |
1013 | } | |
1014 | ||
f0f3411b JA |
1015 | /* |
1016 | * we have one pending to verify, do that while the next | |
1017 | * we are doing io on the next one | |
1018 | */ | |
d32d9284 JA |
1019 | if (async_do_verify(td, &v_io_u)) |
1020 | break; | |
f0f3411b JA |
1021 | |
1022 | ret = io_getevents(td->aio_ctx, 1, 1, td->aio_events, NULL); | |
1023 | if (ret != 1) { | |
1024 | if (ret < 0) | |
1025 | td->error = ret; | |
f4bb2243 JA |
1026 | break; |
1027 | } | |
1028 | ||
f0f3411b JA |
1029 | /* |
1030 | * got our io_u to verify, find back offset so we can | |
1031 | * submit the next one before verifying this one | |
1032 | */ | |
1033 | v_io_u = ev_to_iou(td->aio_events); | |
1034 | p = v_io_u->buf; | |
1035 | back = v_io_u->buflen; | |
1036 | do { | |
1037 | hdr = (struct verify_header *) p; | |
1038 | ||
1039 | if (hdr->len > back) | |
1040 | break; | |
f4bb2243 | 1041 | |
f0f3411b JA |
1042 | back -= hdr->len; |
1043 | p += hdr->len; | |
1044 | } while (back); | |
f4bb2243 | 1045 | |
f0f3411b JA |
1046 | td->cur_off += (v_io_u->buflen - back); |
1047 | ||
1048 | /* | |
d32d9284 | 1049 | * if we can't submit more io, we need to verify now |
f0f3411b | 1050 | */ |
d32d9284 JA |
1051 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1052 | break; | |
1053 | ||
f4bb2243 JA |
1054 | } while (1); |
1055 | ||
d32d9284 | 1056 | async_do_verify(td, &v_io_u); |
f0f3411b | 1057 | |
f4bb2243 JA |
1058 | if (td->cur_depth) |
1059 | cleanup_pending_aio(td); | |
1060 | ||
1061 | td_set_runstate(td, TD_RUNNING); | |
1062 | return td->error == 0; | |
cfc702bd JA |
1063 | } |
1064 | ||
43000118 JA |
1065 | static void do_async_io(struct thread_data *td) |
1066 | { | |
1067 | struct timeval s, e; | |
7889f07b | 1068 | unsigned long usec; |
43000118 | 1069 | |
d32d9284 | 1070 | while (td->this_io_kb < td->kb) { |
43000118 JA |
1071 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1072 | struct timespec *timeout; | |
2c83567e JA |
1073 | int ret, min_evts = 0; |
1074 | struct io_u *io_u; | |
9e850933 | 1075 | unsigned int bytes_done; |
43000118 JA |
1076 | |
1077 | if (td->terminate) | |
1078 | break; | |
1079 | ||
2c83567e | 1080 | io_u = get_io_u(td); |
7889f07b JA |
1081 | if (!io_u) |
1082 | break; | |
43000118 | 1083 | |
57d753e3 | 1084 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1085 | |
2c83567e | 1086 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1087 | if (ret) { |
a3fdb993 | 1088 | put_io_u(td, io_u); |
a592bd33 | 1089 | td->error = ret; |
43000118 JA |
1090 | break; |
1091 | } | |
1092 | ||
57d753e3 JA |
1093 | gettimeofday(&io_u->issue_time, NULL); |
1094 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1095 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1096 | timeout = &ts; |
1097 | min_evts = 0; | |
1098 | } else { | |
1099 | timeout = NULL; | |
1100 | min_evts = 1; | |
1101 | } | |
1102 | ||
2c83567e | 1103 | ret = io_getevents(td->aio_ctx, min_evts, td->cur_depth, td->aio_events, timeout); |
43000118 JA |
1104 | if (ret < 0) { |
1105 | td->error = errno; | |
1106 | break; | |
1107 | } else if (!ret) | |
1108 | continue; | |
1109 | ||
f0f3411b | 1110 | bytes_done = ios_completed(td, ret); |
43000118 | 1111 | |
98168d55 JA |
1112 | /* |
1113 | * the rate is batched for now, it should work for batches | |
1114 | * of completions except the very first one which may look | |
1115 | * a little bursty | |
1116 | */ | |
2c83567e | 1117 | gettimeofday(&e, NULL); |
43000118 JA |
1118 | usec = utime_since(&s, &e); |
1119 | ||
9e850933 | 1120 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1121 | |
1122 | if (check_min_rate(td, &e)) { | |
1123 | td->error = ENODATA; | |
1124 | break; | |
1125 | } | |
67903a2e JA |
1126 | |
1127 | if (runtime_exceeded(td, &e)) | |
1128 | break; | |
765d9223 JA |
1129 | |
1130 | if (td->thinktime) | |
1131 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1132 | |
1133 | if (should_fsync(td) && td->fsync_blocks && | |
1134 | (td->io_blocks % td->fsync_blocks) == 0) | |
1135 | fsync(td->fd); | |
43000118 | 1136 | } |
56b0eff0 | 1137 | |
2c83567e JA |
1138 | if (td->cur_depth) |
1139 | cleanup_pending_aio(td); | |
4ac89145 JA |
1140 | |
1141 | if (should_fsync(td)) | |
1142 | fsync(td->fd); | |
56b0eff0 JA |
1143 | } |
1144 | ||
1145 | static void cleanup_aio(struct thread_data *td) | |
1146 | { | |
254605cd JA |
1147 | io_destroy(td->aio_ctx); |
1148 | ||
43000118 JA |
1149 | if (td->aio_events) |
1150 | free(td->aio_events); | |
43000118 JA |
1151 | } |
1152 | ||
1153 | static int init_aio(struct thread_data *td) | |
1154 | { | |
254605cd | 1155 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1156 | td->error = errno; |
1157 | return 1; | |
1158 | } | |
1159 | ||
43000118 | 1160 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1161 | return 0; |
1162 | } | |
1163 | ||
2c83567e JA |
1164 | static void cleanup_io_u(struct thread_data *td) |
1165 | { | |
1166 | struct list_head *entry, *n; | |
1167 | struct io_u *io_u; | |
1168 | ||
1169 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1170 | io_u = list_entry(entry, struct io_u, list); | |
1171 | ||
1172 | list_del(&io_u->list); | |
2c83567e JA |
1173 | free(io_u); |
1174 | } | |
6b71c826 | 1175 | |
99c6704f JA |
1176 | if (td->mem_type == MEM_MALLOC) |
1177 | free(td->orig_buffer); | |
1178 | else if (td->mem_type == MEM_SHM) { | |
1179 | struct shmid_ds sbuf; | |
1180 | ||
1181 | shmdt(td->orig_buffer); | |
1182 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1183 | } | |
2c83567e JA |
1184 | } |
1185 | ||
99c6704f | 1186 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1187 | { |
1188 | struct io_u *io_u; | |
99c6704f | 1189 | int i, max_units, mem_size; |
6b71c826 | 1190 | char *p; |
2c83567e JA |
1191 | |
1192 | if (!td->use_aio) | |
1193 | max_units = 1; | |
1194 | else | |
1195 | max_units = td->aio_depth; | |
1196 | ||
7889f07b | 1197 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1198 | |
1199 | if (td->mem_type == MEM_MALLOC) | |
1200 | td->orig_buffer = malloc(mem_size); | |
1201 | else if (td->mem_type == MEM_SHM) { | |
1202 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1203 | if (td->shm_id < 0) { | |
1204 | td->error = errno; | |
1205 | perror("shmget"); | |
1206 | return 1; | |
1207 | } | |
1208 | ||
1209 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1210 | if (td->orig_buffer == (void *) -1) { | |
1211 | td->error = errno; | |
1212 | perror("shmat"); | |
1213 | return 1; | |
1214 | } | |
1215 | } | |
6b71c826 | 1216 | |
2c83567e JA |
1217 | INIT_LIST_HEAD(&td->io_u_freelist); |
1218 | INIT_LIST_HEAD(&td->io_u_busylist); | |
1219 | ||
99c6704f | 1220 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1221 | for (i = 0; i < max_units; i++) { |
1222 | io_u = malloc(sizeof(*io_u)); | |
1223 | memset(io_u, 0, sizeof(*io_u)); | |
1224 | INIT_LIST_HEAD(&io_u->list); | |
1225 | ||
7889f07b | 1226 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1227 | list_add(&io_u->list, &td->io_u_freelist); |
1228 | } | |
99c6704f JA |
1229 | |
1230 | return 0; | |
2c83567e JA |
1231 | } |
1232 | ||
a0a9b35b JA |
1233 | static void setup_log(struct io_log **log) |
1234 | { | |
1235 | struct io_log *l = malloc(sizeof(*l)); | |
1236 | ||
1237 | l->nr_samples = 0; | |
1238 | l->max_samples = 1024; | |
1239 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
1240 | *log = l; | |
1241 | } | |
1242 | ||
1243 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
1244 | { | |
1245 | char file_name[128]; | |
1246 | FILE *f; | |
1247 | int i; | |
1248 | ||
1249 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
1250 | f = fopen(file_name, "w"); | |
1251 | if (!f) { | |
1252 | perror("fopen log"); | |
1253 | return; | |
1254 | } | |
1255 | ||
1256 | for (i = 0; i < log->nr_samples; i++) | |
1257 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
1258 | ||
1259 | fclose(f); | |
1260 | free(log->log); | |
1261 | free(log); | |
1262 | } | |
1263 | ||
02983297 JA |
1264 | static int create_file(struct thread_data *td) |
1265 | { | |
7889f07b | 1266 | unsigned long long left; |
02983297 | 1267 | char *b; |
7889f07b | 1268 | int r, bs; |
02983297 | 1269 | |
02983297 JA |
1270 | /* |
1271 | * unless specifically asked for overwrite, let normal io extend it | |
1272 | */ | |
1273 | if (!td_read(td) && !td->overwrite) | |
1274 | return 0; | |
1275 | ||
57d753e3 JA |
1276 | if (!td->file_size) { |
1277 | fprintf(stderr, "Need size for create\n"); | |
1278 | td->error = EINVAL; | |
1279 | return 1; | |
1280 | } | |
1281 | ||
42fd89a7 JA |
1282 | printf("Client%d: Laying out IO file\n", td->thread_number); |
1283 | ||
02983297 JA |
1284 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); |
1285 | if (td->fd < 0) { | |
1286 | td->error = errno; | |
1287 | return 1; | |
1288 | } | |
1289 | ||
7889f07b JA |
1290 | td->kb = td->file_size >> 10; |
1291 | b = malloc(td->max_bs); | |
1292 | memset(b, 0, td->max_bs); | |
1293 | ||
1294 | left = td->file_size; | |
1295 | while (left) { | |
1296 | bs = td->max_bs; | |
1297 | if (bs > left) | |
1298 | bs = left; | |
02983297 | 1299 | |
7889f07b | 1300 | r = write(td->fd, b, bs); |
02983297 | 1301 | |
7889f07b JA |
1302 | if (r == bs) { |
1303 | left -= bs; | |
02983297 | 1304 | continue; |
7889f07b | 1305 | } else { |
02983297 JA |
1306 | if (r < 0) |
1307 | td->error = errno; | |
1308 | else | |
1309 | td->error = EIO; | |
1310 | ||
1311 | break; | |
1312 | } | |
1313 | } | |
1314 | ||
fc097bfe JA |
1315 | if (td->create_fsync) |
1316 | fsync(td->fd); | |
1317 | ||
02983297 JA |
1318 | close(td->fd); |
1319 | td->fd = -1; | |
1320 | free(b); | |
1321 | return 0; | |
1322 | } | |
1323 | ||
1324 | static int file_exists(struct thread_data *td) | |
1325 | { | |
1326 | struct stat st; | |
1327 | ||
1328 | if (stat(td->file_name, &st) != -1) | |
1329 | return 1; | |
1330 | ||
1331 | return errno != ENOENT; | |
1332 | } | |
1333 | ||
1334 | static int setup_file(struct thread_data *td) | |
1335 | { | |
1336 | struct stat st; | |
1337 | int flags = 0; | |
1338 | ||
1339 | if (!file_exists(td)) { | |
1340 | if (!td->create_file) { | |
1341 | td->error = ENOENT; | |
1342 | return 1; | |
1343 | } | |
1344 | if (create_file(td)) | |
1345 | return 1; | |
1346 | } | |
1347 | ||
1348 | if (td->odirect) | |
1349 | flags |= O_DIRECT; | |
1350 | ||
1351 | if (td_read(td)) | |
1352 | td->fd = open(td->file_name, flags | O_RDONLY); | |
1353 | else { | |
1354 | if (!td->overwrite) | |
1355 | flags |= O_TRUNC; | |
74b4b5fb JA |
1356 | if (td->sync_io) |
1357 | flags |= O_SYNC; | |
e8457004 JA |
1358 | if (td->verify) |
1359 | flags |= O_RDWR; | |
1360 | else | |
1361 | flags |= O_WRONLY; | |
02983297 | 1362 | |
e8457004 | 1363 | td->fd = open(td->file_name, flags | O_CREAT, 0600); |
02983297 JA |
1364 | } |
1365 | ||
1366 | if (td->fd == -1) { | |
1367 | td->error = errno; | |
1368 | return 1; | |
1369 | } | |
1370 | ||
1371 | if (td_read(td)) { | |
1372 | if (fstat(td->fd, &st) == -1) { | |
1373 | td->error = errno; | |
1374 | return 1; | |
1375 | } | |
1376 | ||
1377 | if (td->file_size > st.st_size) | |
1378 | st.st_size = td->file_size; | |
1379 | } else { | |
1380 | if (!td->file_size) | |
1381 | td->file_size = 1024 * 1024 * 1024; | |
1382 | ||
1383 | st.st_size = td->file_size; | |
1384 | } | |
1385 | ||
7889f07b JA |
1386 | td->kb = (st.st_size - td->file_offset) / 1024; |
1387 | if (!td->kb) { | |
02983297 JA |
1388 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); |
1389 | td->error = EINVAL; | |
1390 | return 1; | |
1391 | } | |
1392 | ||
b95799ca JA |
1393 | if (td->invalidate_cache) { |
1394 | if (fadvise(td->fd, 0, st.st_size, POSIX_FADV_DONTNEED) < 0) { | |
1395 | td->error = errno; | |
1396 | return 1; | |
1397 | } | |
1398 | } | |
1399 | ||
02983297 JA |
1400 | return 0; |
1401 | } | |
1402 | ||
d32d9284 JA |
1403 | static void clear_io_state(struct thread_data *td) |
1404 | { | |
1405 | td->cur_off = 0; | |
1406 | td->last_kb = 0; | |
1407 | td->stat_io_kb = 0; | |
1408 | td->this_io_kb = 0; | |
1409 | } | |
1410 | ||
5c24b2c4 | 1411 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
1412 | { |
1413 | struct thread_data *td; | |
02983297 | 1414 | int ret = 1; |
2c83567e | 1415 | void *data; |
892199bd | 1416 | |
7292613b JA |
1417 | setsid(); |
1418 | ||
892199bd | 1419 | data = shmat(shm_id, NULL, 0); |
4ac89145 JA |
1420 | if (data == (void *) -1) { |
1421 | perror("shmat"); | |
1422 | return NULL; | |
1423 | } | |
1424 | ||
892199bd JA |
1425 | td = data + offset * sizeof(struct thread_data); |
1426 | td->pid = getpid(); | |
1427 | ||
99c6704f JA |
1428 | if (init_io_u(td)) |
1429 | goto err; | |
2c83567e | 1430 | |
18e0b78c JA |
1431 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
1432 | td->error = errno; | |
1433 | goto err; | |
1434 | } | |
1435 | ||
4240cfa1 | 1436 | sprintf(argv[0], "fio%d", offset); |
892199bd | 1437 | |
43000118 JA |
1438 | if (td->use_aio && init_aio(td)) |
1439 | goto err; | |
1440 | ||
892199bd | 1441 | if (init_random_state(td)) |
599002b3 | 1442 | goto err; |
892199bd | 1443 | |
f737299d | 1444 | if (td->ioprio) { |
892199bd JA |
1445 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
1446 | td->error = errno; | |
599002b3 | 1447 | goto err; |
892199bd JA |
1448 | } |
1449 | } | |
1450 | ||
1451 | sem_post(&startup_sem); | |
1452 | sem_wait(&td->mutex); | |
43000118 | 1453 | |
fc097bfe JA |
1454 | if (!td->create_serialize && setup_file(td)) |
1455 | goto err; | |
1456 | ||
7292613b JA |
1457 | gettimeofday(&td->start, NULL); |
1458 | ||
293753bb JA |
1459 | while (td->loops--) { |
1460 | gettimeofday(&td->stat_sample_time, NULL); | |
1461 | ||
1462 | if (td->ratemin) | |
1463 | memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate)); | |
7292613b | 1464 | |
d32d9284 | 1465 | clear_io_state(td); |
fd1ae4c9 | 1466 | |
b2de0ed2 | 1467 | if (!td->use_aio) |
b6794fbf | 1468 | do_sync_io(td); |
b2de0ed2 JA |
1469 | else |
1470 | do_async_io(td); | |
1471 | ||
1472 | if (!td->verify) | |
1473 | continue; | |
cfc702bd | 1474 | |
b2de0ed2 | 1475 | clear_io_state(td); |
d32d9284 | 1476 | |
b2de0ed2 | 1477 | if (!td->use_aio) { |
d32d9284 JA |
1478 | if (!do_sync_verify(td)) |
1479 | break; | |
cfc702bd | 1480 | } else { |
d32d9284 JA |
1481 | if (!do_async_verify(td)) |
1482 | break; | |
cfc702bd | 1483 | } |
b6794fbf | 1484 | } |
7292613b | 1485 | |
be33abe4 | 1486 | td->runtime = mtime_since_now(&td->start); |
892199bd | 1487 | ret = 0; |
a0a9b35b JA |
1488 | |
1489 | if (td->bw_log) | |
1490 | finish_log(td, td->bw_log, "bw"); | |
1491 | if (td->lat_log) | |
1492 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1493 | |
98dd52d6 JA |
1494 | if (exitall_on_terminate) |
1495 | sig_handler(0); | |
1496 | ||
892199bd | 1497 | err: |
7292613b JA |
1498 | if (td->fd != -1) { |
1499 | close(td->fd); | |
1500 | td->fd = -1; | |
1501 | } | |
4ac89145 JA |
1502 | if (td->use_aio) |
1503 | cleanup_aio(td); | |
2c83567e | 1504 | cleanup_io_u(td); |
599002b3 | 1505 | if (ret) { |
892199bd | 1506 | sem_post(&startup_sem); |
599002b3 JA |
1507 | sem_wait(&td->mutex); |
1508 | } | |
40ef7f64 | 1509 | td_set_runstate(td, TD_EXITED); |
4240cfa1 | 1510 | shmdt(data); |
892199bd JA |
1511 | return NULL; |
1512 | } | |
1513 | ||
5c24b2c4 | 1514 | static void free_shm(void) |
892199bd | 1515 | { |
c269123b JA |
1516 | struct shmid_ds sbuf; |
1517 | ||
1518 | if (threads) { | |
1519 | shmdt(threads); | |
1520 | threads = NULL; | |
1521 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1522 | } | |
892199bd JA |
1523 | } |
1524 | ||
57d753e3 JA |
1525 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1526 | double *mean, double *dev) | |
1527 | { | |
1528 | double n; | |
1529 | ||
1530 | if (is->samples == 0) | |
1531 | return 0; | |
1532 | ||
1533 | *min = is->min_val; | |
1534 | *max = is->max_val; | |
1535 | ||
1536 | n = (double) is->samples; | |
1537 | *mean = (double) is->val / n; | |
1538 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1539 | return 1; | |
1540 | } | |
1541 | ||
5c24b2c4 | 1542 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1543 | { |
1544 | int prio, prio_class; | |
57d753e3 JA |
1545 | unsigned long min, max, bw = 0; |
1546 | double mean, dev; | |
892199bd | 1547 | |
8c033f93 | 1548 | if (!td->io_kb && !td->error) |
213b446c JA |
1549 | return; |
1550 | ||
892199bd | 1551 | if (td->runtime) |
7889f07b | 1552 | bw = td->io_kb * 1024 / td->runtime; |
892199bd JA |
1553 | |
1554 | prio = td->ioprio & 0xff; | |
1555 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1556 | ||
396fe7cd | 1557 | 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 | 1558 | |
57d753e3 JA |
1559 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1560 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1561 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1562 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1563 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1564 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
892199bd JA |
1565 | } |
1566 | ||
5c24b2c4 | 1567 | static int setup_rate(struct thread_data *td) |
86184d14 | 1568 | { |
4240cfa1 JA |
1569 | int nr_reads_per_sec; |
1570 | ||
1571 | if (!td->rate) | |
1572 | return 0; | |
1573 | ||
1574 | if (td->rate < td->ratemin) { | |
1575 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1576 | return -1; | |
1577 | } | |
86184d14 | 1578 | |
7889f07b | 1579 | nr_reads_per_sec = td->rate * 1024 / td->min_bs; |
86184d14 JA |
1580 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1581 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1582 | return 0; |
86184d14 JA |
1583 | } |
1584 | ||
47d45203 | 1585 | static struct thread_data *get_new_job(int global) |
892199bd | 1586 | { |
4240cfa1 JA |
1587 | struct thread_data *td; |
1588 | ||
47d45203 JA |
1589 | if (global) |
1590 | return &def_thread; | |
8867c0a8 | 1591 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1592 | return NULL; |
1593 | ||
1594 | td = &threads[thread_number++]; | |
fc24389f | 1595 | memset(td, 0, sizeof(*td)); |
892199bd | 1596 | |
e4ed35c3 | 1597 | td->fd = -1; |
86184d14 | 1598 | td->thread_number = thread_number; |
76cb7b42 | 1599 | |
47d45203 | 1600 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1601 | td->ioprio = def_thread.ioprio; |
1602 | td->sequential = def_thread.sequential; | |
47d45203 | 1603 | td->bs = def_thread.bs; |
8c033f93 JA |
1604 | td->min_bs = def_thread.min_bs; |
1605 | td->max_bs = def_thread.max_bs; | |
47d45203 | 1606 | td->odirect = def_thread.odirect; |
e97712ed | 1607 | td->thinktime = def_thread.thinktime; |
76cb7b42 JA |
1608 | td->fsync_blocks = def_thread.fsync_blocks; |
1609 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1610 | td->timeout = def_thread.timeout; |
76cb7b42 | 1611 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1612 | td->create_file = def_thread.create_file; |
1613 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1614 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1615 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1616 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1617 | td->rate = def_thread.rate; |
1618 | td->ratemin = def_thread.ratemin; | |
1619 | td->ratecycle = def_thread.ratecycle; | |
1620 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1621 | td->sync_io = def_thread.sync_io; |
1622 | td->mem_type = def_thread.mem_type; | |
1d035750 | 1623 | td->bw_avg_time = def_thread.bw_avg_time; |
fc097bfe JA |
1624 | td->create_serialize = def_thread.create_serialize; |
1625 | td->create_fsync = def_thread.create_fsync; | |
b6794fbf | 1626 | td->loops = def_thread.loops; |
cfc702bd | 1627 | td->verify = def_thread.verify; |
47d45203 | 1628 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1629 | |
1630 | return td; | |
1631 | } | |
1632 | ||
4240cfa1 JA |
1633 | static void put_job(struct thread_data *td) |
1634 | { | |
1635 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1636 | thread_number--; | |
1637 | } | |
1638 | ||
5c24b2c4 JA |
1639 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1640 | int prio) | |
f737299d | 1641 | { |
47d45203 JA |
1642 | if (td == &def_thread) |
1643 | return 0; | |
1644 | ||
f737299d | 1645 | strcpy(td->file_name, filename); |
4240cfa1 | 1646 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1647 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1648 | ||
57d753e3 JA |
1649 | td->clat_stat.min_val = ULONG_MAX; |
1650 | td->slat_stat.min_val = ULONG_MAX; | |
1651 | td->bw_stat.min_val = ULONG_MAX; | |
1652 | ||
8dbff0b1 JA |
1653 | run_str[td->thread_number - 1] = 'P'; |
1654 | ||
4ac89145 JA |
1655 | if (td->use_aio && !td->aio_depth) |
1656 | td->aio_depth = 1; | |
43000118 | 1657 | |
8bdcfab5 JA |
1658 | if (td->min_bs == -1) |
1659 | td->min_bs = td->bs; | |
1660 | if (td->max_bs == -1) | |
1661 | td->max_bs = td->bs; | |
840b216f JA |
1662 | if (td_read(td) || !td->sequential) |
1663 | td->verify = 0; | |
8bdcfab5 | 1664 | |
4240cfa1 JA |
1665 | if (setup_rate(td)) |
1666 | return -1; | |
f737299d | 1667 | |
a0a9b35b JA |
1668 | if (write_lat_log) |
1669 | setup_log(&td->lat_log); | |
1670 | if (write_bw_log) | |
1671 | setup_log(&td->bw_log); | |
1672 | ||
7889f07b | 1673 | 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 | 1674 | return 0; |
892199bd JA |
1675 | } |
1676 | ||
18e0b78c JA |
1677 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1678 | { | |
f737299d | 1679 | unsigned int i; |
18e0b78c JA |
1680 | |
1681 | CPU_ZERO(&cpumask); | |
1682 | ||
1683 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1684 | if ((1 << i) & cpu) | |
1685 | CPU_SET(i, &cpumask); | |
1686 | } | |
1687 | } | |
1688 | ||
7889f07b JA |
1689 | unsigned long get_mult(char c) |
1690 | { | |
1691 | switch (c) { | |
1692 | case 'k': | |
1693 | case 'K': | |
1694 | return 1024; | |
1695 | case 'm': | |
1696 | case 'M': | |
1697 | return 1024 * 1024; | |
1698 | case 'g': | |
1699 | case 'G': | |
1700 | return 1024 * 1024 * 1024; | |
1701 | default: | |
1702 | return 1; | |
1703 | } | |
1704 | } | |
1705 | ||
02983297 JA |
1706 | /* |
1707 | * convert string after '=' into decimal value, noting any size suffix | |
1708 | */ | |
1709 | static int str_cnv(char *p, unsigned long long *val) | |
1710 | { | |
02983297 JA |
1711 | char *str; |
1712 | int len; | |
1713 | ||
1714 | str = strstr(p, "="); | |
1715 | if (!str) | |
1716 | return 1; | |
1717 | ||
1718 | str++; | |
1719 | len = strlen(str); | |
02983297 JA |
1720 | |
1721 | *val = strtoul(str, NULL, 10); | |
1722 | if (*val == ULONG_MAX && errno == ERANGE) | |
1723 | return 1; | |
1724 | ||
7889f07b | 1725 | *val *= get_mult(str[len - 2]); |
02983297 | 1726 | return 0; |
02983297 JA |
1727 | } |
1728 | ||
02983297 JA |
1729 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1730 | { | |
1731 | if (!strstr(p, name)) | |
1732 | return 1; | |
1733 | ||
1734 | return str_cnv(p, val); | |
1735 | } | |
1736 | ||
99c6704f JA |
1737 | static int check_str(char *p, char *name, char *option) |
1738 | { | |
1739 | char *s = strstr(p, name); | |
1740 | ||
1741 | if (!s) | |
1742 | return 1; | |
1743 | ||
1744 | s += strlen(name); | |
1745 | if (strstr(s, option)) | |
1746 | return 0; | |
1747 | ||
1748 | return 1; | |
1749 | } | |
1750 | ||
7889f07b JA |
1751 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
1752 | { | |
1753 | char str[128]; | |
1754 | char s1, s2; | |
1755 | ||
1756 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
1757 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1758 | *s *= get_mult(s1); | |
1759 | *e *= get_mult(s2); | |
1760 | return 0; | |
1761 | } | |
1762 | ||
1763 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
1764 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1765 | *s *= get_mult(s1); | |
1766 | *e *= get_mult(s2); | |
1767 | return 0; | |
1768 | } | |
1769 | ||
1770 | sprintf(str, "%s=%%lu-%%lu", name); | |
1771 | if (sscanf(p, str, s, e) == 2) | |
1772 | return 0; | |
1773 | ||
1774 | sprintf(str, "%s = %%lu-%%lu", name); | |
1775 | if (sscanf(p, str, s, e) == 2) | |
1776 | return 0; | |
1777 | ||
1778 | return 1; | |
1779 | ||
1780 | } | |
1781 | ||
5c24b2c4 | 1782 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1783 | { |
1784 | char str[128]; | |
1785 | ||
1786 | sprintf(str, "%s=%%d", name); | |
1787 | if (sscanf(p, str, val) == 1) | |
1788 | return 0; | |
1789 | ||
1790 | sprintf(str, "%s = %%d", name); | |
1791 | if (sscanf(p, str, val) == 1) | |
1792 | return 0; | |
1793 | ||
1794 | return 1; | |
1795 | } | |
1796 | ||
7292613b | 1797 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1798 | { |
1799 | unsigned int i; | |
1800 | ||
7292613b | 1801 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1802 | if (line[i] == ';') |
47d45203 JA |
1803 | return 1; |
1804 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
1805 | return 0; |
1806 | } | |
7dd1389e JA |
1807 | |
1808 | return 1; | |
1809 | } | |
1810 | ||
5c24b2c4 | 1811 | static int parse_jobs_ini(char *file) |
7dd1389e | 1812 | { |
47d45203 | 1813 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 1814 | unsigned long long ull; |
7889f07b | 1815 | unsigned long ul1, ul2; |
f737299d | 1816 | struct thread_data *td; |
7dd1389e JA |
1817 | char *string, *name; |
1818 | fpos_t off; | |
1819 | FILE *f; | |
1820 | char *p; | |
1821 | ||
1822 | f = fopen(file, "r"); | |
1823 | if (!f) { | |
1824 | perror("fopen"); | |
4240cfa1 | 1825 | return 1; |
7dd1389e JA |
1826 | } |
1827 | ||
1828 | string = malloc(4096); | |
1829 | name = malloc(256); | |
1830 | ||
7dd1389e | 1831 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
1832 | if (is_empty_or_comment(p)) |
1833 | continue; | |
7dd1389e JA |
1834 | if (sscanf(p, "[%s]", name) != 1) |
1835 | continue; | |
1836 | ||
47d45203 JA |
1837 | global = !strncmp(name, "global", 6); |
1838 | ||
7dd1389e JA |
1839 | name[strlen(name) - 1] = '\0'; |
1840 | ||
47d45203 | 1841 | td = get_new_job(global); |
4240cfa1 JA |
1842 | if (!td) |
1843 | break; | |
f737299d | 1844 | |
7dd1389e | 1845 | prioclass = 2; |
f737299d | 1846 | prio = 4; |
7dd1389e JA |
1847 | |
1848 | fgetpos(f, &off); | |
1849 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 1850 | if (is_empty_or_comment(p)) |
e6402082 JA |
1851 | continue; |
1852 | if (strstr(p, "[")) | |
7dd1389e | 1853 | break; |
f737299d | 1854 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
1855 | fgetpos(f, &off); |
1856 | continue; | |
1857 | } | |
1858 | if (!check_int(p, "prio", &prio)) { | |
1859 | fgetpos(f, &off); | |
1860 | continue; | |
1861 | } | |
1862 | if (!check_int(p, "prioclass", &prioclass)) { | |
1863 | fgetpos(f, &off); | |
1864 | continue; | |
1865 | } | |
f737299d | 1866 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
1867 | fgetpos(f, &off); |
1868 | continue; | |
1869 | } | |
f737299d | 1870 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
1871 | fgetpos(f, &off); |
1872 | continue; | |
1873 | } | |
4240cfa1 JA |
1874 | if (!check_int(p, "ratemin", &td->ratemin)) { |
1875 | fgetpos(f, &off); | |
1876 | continue; | |
1877 | } | |
1878 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
1879 | fgetpos(f, &off); | |
1880 | continue; | |
1881 | } | |
e97712ed | 1882 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
1883 | fgetpos(f, &off); |
1884 | continue; | |
1885 | } | |
18e0b78c | 1886 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 1887 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1888 | fgetpos(f, &off); |
1889 | continue; | |
1890 | } | |
4240cfa1 JA |
1891 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
1892 | fgetpos(f, &off); | |
1893 | continue; | |
1894 | } | |
fc24389f JA |
1895 | if (!check_int(p, "startdelay", &td->start_delay)) { |
1896 | fgetpos(f, &off); | |
1897 | continue; | |
1898 | } | |
67903a2e JA |
1899 | if (!check_int(p, "timeout", &td->timeout)) { |
1900 | fgetpos(f, &off); | |
1901 | continue; | |
1902 | } | |
b95799ca JA |
1903 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
1904 | fgetpos(f, &off); | |
1905 | continue; | |
1906 | } | |
43000118 JA |
1907 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
1908 | fgetpos(f, &off); | |
1909 | continue; | |
1910 | } | |
74b4b5fb JA |
1911 | if (!check_int(p, "sync", &td->sync_io)) { |
1912 | fgetpos(f, &off); | |
1913 | continue; | |
1914 | } | |
1d035750 JA |
1915 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
1916 | fgetpos(f, &off); | |
1917 | continue; | |
1918 | } | |
fc097bfe JA |
1919 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
1920 | fgetpos(f, &off); | |
1921 | continue; | |
1922 | } | |
1923 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
1924 | fgetpos(f, &off); | |
1925 | continue; | |
1926 | } | |
b6794fbf JA |
1927 | if (!check_int(p, "loops", &td->loops)) { |
1928 | fgetpos(f, &off); | |
1929 | continue; | |
1930 | } | |
e8457004 JA |
1931 | if (!check_int(p, "verify", &td->verify)) { |
1932 | fgetpos(f, &off); | |
1933 | continue; | |
1934 | } | |
7889f07b JA |
1935 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
1936 | td->min_bs = ul1; | |
1937 | td->max_bs = ul2; | |
1938 | fgetpos(f, &off); | |
1939 | continue; | |
1940 | } | |
8c033f93 JA |
1941 | if (!check_strcnv(p, "bs", &ull)) { |
1942 | td->bs = ull; | |
1943 | fgetpos(f, &off); | |
1944 | continue; | |
1945 | } | |
02983297 JA |
1946 | if (!check_strcnv(p, "size", &td->file_size)) { |
1947 | fgetpos(f, &off); | |
1948 | continue; | |
1949 | } | |
1950 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
1951 | fgetpos(f, &off); | |
1952 | continue; | |
1953 | } | |
99c6704f | 1954 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
1955 | td->mem_type = MEM_MALLOC; |
1956 | fgetpos(f, &off); | |
1957 | continue; | |
1958 | } | |
1959 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
1960 | td->mem_type = MEM_SHM; |
1961 | fgetpos(f, &off); | |
1962 | continue; | |
1963 | } | |
43000118 | 1964 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 1965 | td->sequential = 1; |
7dd1389e JA |
1966 | fgetpos(f, &off); |
1967 | continue; | |
1968 | } | |
43000118 | 1969 | if (!strncmp(p, "random", 6)) { |
f737299d | 1970 | td->sequential = 0; |
7dd1389e JA |
1971 | fgetpos(f, &off); |
1972 | continue; | |
1973 | } | |
43000118 JA |
1974 | if (!strncmp(p, "aio", 3)) { |
1975 | td->use_aio = 1; | |
1976 | fgetpos(f, &off); | |
1977 | continue; | |
1978 | } | |
02983297 JA |
1979 | if (!strncmp(p, "create", 6)) { |
1980 | td->create_file = 1; | |
1981 | fgetpos(f, &off); | |
1982 | continue; | |
1983 | } | |
1984 | if (!strncmp(p, "overwrite", 9)) { | |
1985 | td->overwrite = 1; | |
1986 | fgetpos(f, &off); | |
1987 | continue; | |
1988 | } | |
98dd52d6 JA |
1989 | if (!strncmp(p, "exitall", 7)) { |
1990 | exitall_on_terminate = 1; | |
1991 | fgetpos(f, &off); | |
1992 | continue; | |
1993 | } | |
e6402082 | 1994 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
1995 | } |
1996 | fsetpos(f, &off); | |
1997 | ||
4240cfa1 JA |
1998 | if (add_job(td, name, prioclass, prio)) |
1999 | put_job(td); | |
7dd1389e JA |
2000 | } |
2001 | ||
2002 | free(string); | |
2003 | free(name); | |
fc7d63df | 2004 | fclose(f); |
4240cfa1 | 2005 | return 0; |
7dd1389e JA |
2006 | } |
2007 | ||
5c24b2c4 | 2008 | static int parse_options(int argc, char *argv[]) |
892199bd | 2009 | { |
01c4d8de | 2010 | int i; |
892199bd JA |
2011 | |
2012 | for (i = 1; i < argc; i++) { | |
2013 | char *parm = argv[i]; | |
2014 | ||
2015 | if (parm[0] != '-') | |
2016 | break; | |
2017 | ||
2018 | parm++; | |
2019 | switch (*parm) { | |
2020 | case 's': | |
2021 | parm++; | |
47d45203 | 2022 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
2023 | break; |
2024 | case 'b': | |
2025 | parm++; | |
47d45203 JA |
2026 | def_thread.bs = atoi(parm); |
2027 | def_thread.bs <<= 10; | |
2028 | if (!def_thread.bs) { | |
4240cfa1 | 2029 | printf("bad block size\n"); |
47d45203 | 2030 | def_thread.bs = DEF_BS; |
4240cfa1 | 2031 | } |
892199bd JA |
2032 | break; |
2033 | case 't': | |
2034 | parm++; | |
47d45203 | 2035 | def_thread.timeout = atoi(parm); |
892199bd | 2036 | break; |
892199bd JA |
2037 | case 'r': |
2038 | parm++; | |
2039 | repeatable = !!atoi(parm); | |
2040 | break; | |
02bdd9ba JA |
2041 | case 'R': |
2042 | parm++; | |
2043 | rate_quit = !!atoi(parm); | |
2044 | break; | |
892199bd JA |
2045 | case 'o': |
2046 | parm++; | |
47d45203 | 2047 | def_thread.odirect = !!atoi(parm); |
892199bd | 2048 | break; |
7dd1389e JA |
2049 | case 'f': |
2050 | if (i + 1 >= argc) { | |
2051 | printf("-f needs file as arg\n"); | |
2052 | break; | |
2053 | } | |
2054 | ini_file = strdup(argv[i+1]); | |
a642279f | 2055 | i++; |
7dd1389e | 2056 | break; |
a0a9b35b JA |
2057 | case 'l': |
2058 | write_lat_log = 1; | |
2059 | break; | |
2060 | case 'w': | |
2061 | write_bw_log = 1; | |
2062 | break; | |
892199bd | 2063 | default: |
7dd1389e | 2064 | printf("bad option %s\n", argv[i]); |
892199bd JA |
2065 | break; |
2066 | } | |
2067 | } | |
2068 | ||
892199bd JA |
2069 | return i; |
2070 | } | |
2071 | ||
3f39453a | 2072 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 2073 | int t_rate, int m_rate) |
3f39453a | 2074 | { |
3f39453a JA |
2075 | printf("Threads now running: %d", nr_running); |
2076 | if (m_rate || t_rate) | |
2077 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
2078 | printf(" : [%s]\r", run_str); |
2079 | fflush(stdout); | |
3f39453a JA |
2080 | } |
2081 | ||
40ef7f64 JA |
2082 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
2083 | { | |
2084 | char c = run_str[td->thread_number - 1]; | |
2085 | ||
2086 | if (td->runstate == td->old_runstate) | |
2087 | return; | |
2088 | ||
2089 | switch (td->runstate) { | |
2090 | case TD_REAPED: | |
2091 | c = '_'; | |
2092 | break; | |
f4bb2243 JA |
2093 | case TD_EXITED: |
2094 | c = 'E'; | |
2095 | break; | |
40ef7f64 JA |
2096 | case TD_RUNNING: |
2097 | c = '+'; | |
2098 | break; | |
2099 | case TD_VERIFYING: | |
2100 | c = 'V'; | |
2101 | break; | |
2102 | case TD_CREATED: | |
2103 | c = 'C'; | |
2104 | break; | |
2105 | case TD_NOT_CREATED: | |
2106 | c = 'P'; | |
2107 | break; | |
2108 | default: | |
2109 | printf("state %d\n", td->runstate); | |
2110 | } | |
2111 | ||
2112 | run_str[td->thread_number - 1] = c; | |
2113 | print_thread_status(td, n, t, m); | |
2114 | td->old_runstate = td->runstate; | |
2115 | } | |
2116 | ||
213b446c | 2117 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 2118 | { |
213b446c | 2119 | int i; |
02bdd9ba | 2120 | |
3f39453a JA |
2121 | /* |
2122 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2123 | */ | |
02bdd9ba JA |
2124 | for (i = 0; i < thread_number; i++) { |
2125 | struct thread_data *td = &threads[i]; | |
2126 | ||
40ef7f64 JA |
2127 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
2128 | ||
213b446c JA |
2129 | if (td->runstate != TD_EXITED) |
2130 | continue; | |
02bdd9ba | 2131 | |
40ef7f64 | 2132 | td_set_runstate(td, TD_REAPED); |
213b446c JA |
2133 | waitpid(td->pid, NULL, 0); |
2134 | (*nr_running)--; | |
2135 | (*m_rate) -= td->ratemin; | |
2136 | (*t_rate) -= td->rate; | |
40ef7f64 | 2137 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
e6402082 JA |
2138 | |
2139 | if (td->terminate) | |
2140 | continue; | |
213b446c | 2141 | } |
02bdd9ba JA |
2142 | } |
2143 | ||
fc24389f JA |
2144 | static void run_threads(char *argv[]) |
2145 | { | |
be33abe4 | 2146 | struct timeval genesis; |
fc24389f JA |
2147 | struct thread_data *td; |
2148 | unsigned long spent; | |
213b446c | 2149 | int i, todo, nr_running, m_rate, t_rate; |
fc24389f | 2150 | |
fc24389f JA |
2151 | printf("Starting %d threads\n", thread_number); |
2152 | fflush(stdout); | |
2153 | ||
7292613b JA |
2154 | signal(SIGINT, sig_handler); |
2155 | ||
fc24389f | 2156 | todo = thread_number; |
02bdd9ba | 2157 | nr_running = 0; |
213b446c | 2158 | m_rate = t_rate = 0; |
fc24389f | 2159 | |
8bdcfab5 JA |
2160 | for (i = 0; i < thread_number; i++) { |
2161 | td = &threads[i]; | |
2162 | ||
fc097bfe JA |
2163 | if (!td->create_serialize) |
2164 | continue; | |
2165 | ||
8bdcfab5 JA |
2166 | /* |
2167 | * do file setup here so it happens sequentially, | |
2168 | * we don't want X number of threads getting their | |
2169 | * client data interspersed on disk | |
2170 | */ | |
2171 | if (setup_file(td)) { | |
40ef7f64 | 2172 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2173 | todo--; |
2174 | } | |
2175 | } | |
2176 | ||
2177 | gettimeofday(&genesis, NULL); | |
2178 | ||
213b446c | 2179 | while (todo) { |
3f39453a JA |
2180 | /* |
2181 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2182 | */ | |
fc24389f JA |
2183 | for (i = 0; i < thread_number; i++) { |
2184 | td = &threads[i]; | |
2185 | ||
02bdd9ba | 2186 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2187 | continue; |
2188 | ||
213b446c JA |
2189 | /* |
2190 | * never got a chance to start, killed by other | |
2191 | * thread for some reason | |
2192 | */ | |
2193 | if (td->terminate) { | |
2194 | todo--; | |
2195 | continue; | |
2196 | } | |
2197 | ||
fc24389f | 2198 | if (td->start_delay) { |
be33abe4 | 2199 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2200 | |
2201 | if (td->start_delay * 1000 > spent) | |
2202 | continue; | |
2203 | } | |
2204 | ||
40ef7f64 JA |
2205 | td_set_runstate(td, TD_CREATED); |
2206 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2207 | sem_init(&startup_sem, 1, 1); |
2208 | todo--; | |
2209 | ||
2210 | if (fork()) | |
2211 | sem_wait(&startup_sem); | |
2212 | else { | |
2213 | thread_main(shm_id, i, argv); | |
2214 | exit(0); | |
2215 | } | |
2216 | } | |
2217 | ||
3f39453a | 2218 | /* |
e8457004 | 2219 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2220 | */ |
fc24389f JA |
2221 | for (i = 0; i < thread_number; i++) { |
2222 | struct thread_data *td = &threads[i]; | |
2223 | ||
3f39453a JA |
2224 | if (td->runstate != TD_CREATED) |
2225 | continue; | |
2226 | ||
40ef7f64 | 2227 | td_set_runstate(td, TD_RUNNING); |
3f39453a JA |
2228 | nr_running++; |
2229 | m_rate += td->ratemin; | |
2230 | t_rate += td->rate; | |
40ef7f64 | 2231 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2232 | sem_post(&td->mutex); |
fc24389f JA |
2233 | } |
2234 | ||
e8457004 JA |
2235 | for (i = 0; i < thread_number; i++) { |
2236 | struct thread_data *td = &threads[i]; | |
2237 | ||
2238 | if (td->runstate == TD_RUNNING) | |
2239 | run_str[td->thread_number - 1] = '+'; | |
2240 | else if (td->runstate == TD_VERIFYING) | |
2241 | run_str[td->thread_number - 1] = 'V'; | |
2242 | else | |
2243 | continue; | |
2244 | ||
40ef7f64 | 2245 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2246 | } |
2247 | ||
213b446c | 2248 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2249 | |
fc24389f JA |
2250 | if (todo) |
2251 | usleep(100000); | |
2252 | } | |
02bdd9ba JA |
2253 | |
2254 | while (nr_running) { | |
213b446c | 2255 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2256 | usleep(10000); |
2257 | } | |
fc24389f JA |
2258 | } |
2259 | ||
8867c0a8 | 2260 | int setup_thread_area(void) |
892199bd | 2261 | { |
8867c0a8 JA |
2262 | /* |
2263 | * 1024 is too much on some machines, scale max_jobs if | |
2264 | * we get a failure that looks like too large a shm segment | |
2265 | */ | |
2266 | do { | |
2267 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2268 | |
8867c0a8 JA |
2269 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2270 | if (shm_id != -1) | |
2271 | break; | |
2272 | if (errno != EINVAL) { | |
2273 | perror("shmget"); | |
2274 | break; | |
2275 | } | |
2276 | ||
2277 | max_jobs >>= 1; | |
d4fac444 | 2278 | } while (max_jobs); |
8867c0a8 JA |
2279 | |
2280 | if (shm_id == -1) | |
892199bd | 2281 | return 1; |
892199bd JA |
2282 | |
2283 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2284 | if (threads == (void *) -1) { |
86184d14 JA |
2285 | perror("shmat"); |
2286 | return 1; | |
2287 | } | |
892199bd JA |
2288 | |
2289 | atexit(free_shm); | |
8867c0a8 JA |
2290 | return 0; |
2291 | } | |
2292 | ||
2293 | int main(int argc, char *argv[]) | |
2294 | { | |
8c033f93 | 2295 | static unsigned long max_run[2], min_run[2]; |
57d753e3 | 2296 | static unsigned long max_bw[2], min_bw[2]; |
22334044 | 2297 | static unsigned long io_mb[2], agg[2]; |
8867c0a8 JA |
2298 | int i; |
2299 | ||
2300 | if (setup_thread_area()) | |
2301 | return 1; | |
892199bd | 2302 | |
47d45203 | 2303 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2304 | perror("sched_getaffinity"); |
2305 | return 1; | |
2306 | } | |
2307 | ||
47d45203 JA |
2308 | /* |
2309 | * fill globals | |
2310 | */ | |
2311 | def_thread.ddir = DDIR_READ; | |
2312 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2313 | def_thread.min_bs = -1; |
2314 | def_thread.max_bs = -1; | |
02983297 | 2315 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2316 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2317 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2318 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2319 | def_thread.create_file = DEF_CREATE; |
2320 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2321 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2322 | def_thread.sync_io = DEF_SYNCIO; |
2323 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2324 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
fc097bfe JA |
2325 | def_thread.create_serialize = DEF_CREATE_SER; |
2326 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
b6794fbf | 2327 | def_thread.loops = DEF_LOOPS; |
cfc702bd | 2328 | def_thread.verify = DEF_VERIFY; |
47d45203 | 2329 | |
892199bd | 2330 | i = parse_options(argc, argv); |
7dd1389e | 2331 | |
5961d92c JA |
2332 | if (!ini_file) { |
2333 | printf("Need job file\n"); | |
2334 | return 1; | |
2335 | } | |
2336 | ||
2337 | if (parse_jobs_ini(ini_file)) | |
2338 | return 1; | |
7dd1389e | 2339 | |
4240cfa1 JA |
2340 | if (!thread_number) { |
2341 | printf("Nothing to do\n"); | |
2342 | return 1; | |
2343 | } | |
7dd1389e | 2344 | |
fc24389f | 2345 | run_threads(argv); |
892199bd | 2346 | |
892199bd JA |
2347 | min_bw[0] = min_run[0] = ~0UL; |
2348 | min_bw[1] = min_run[1] = ~0UL; | |
22334044 JA |
2349 | io_mb[0] = io_mb[1] = 0; |
2350 | agg[0] = agg[1] = 0; | |
892199bd JA |
2351 | for (i = 0; i < thread_number; i++) { |
2352 | struct thread_data *td = &threads[i]; | |
2353 | unsigned long bw = 0; | |
2354 | ||
22334044 JA |
2355 | if (!td->error) { |
2356 | if (td->runtime < min_run[td->ddir]) | |
2357 | min_run[td->ddir] = td->runtime; | |
2358 | if (td->runtime > max_run[td->ddir]) | |
2359 | max_run[td->ddir] = td->runtime; | |
892199bd | 2360 | |
892199bd | 2361 | if (td->runtime) |
22334044 JA |
2362 | bw = td->io_kb * 1024 / td->runtime; |
2363 | if (bw < min_bw[td->ddir]) | |
2364 | min_bw[td->ddir] = bw; | |
2365 | if (bw > max_bw[td->ddir]) | |
2366 | max_bw[td->ddir] = bw; | |
2367 | ||
2368 | io_mb[td->ddir] += td->io_kb >> 10; | |
892199bd JA |
2369 | } |
2370 | ||
2371 | show_thread_status(td); | |
2372 | } | |
22334044 JA |
2373 | |
2374 | if (max_run[0]) | |
2375 | agg[0] = io_mb[0] * 1024 * 1000 / max_run[0]; | |
2376 | if (max_run[1]) | |
2377 | agg[1] = io_mb[1] * 1024 * 1000 / max_run[1]; | |
2378 | ||
57d753e3 | 2379 | printf("\nRun status:\n"); |
892199bd | 2380 | if (max_run[DDIR_READ]) |
22334044 | 2381 | 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 | 2382 | if (max_run[DDIR_WRITE]) |
22334044 | 2383 | 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 | 2384 | |
892199bd JA |
2385 | return 0; |
2386 | } |