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 | ||
645785e5 JA |
211 | struct io_piece { |
212 | struct list_head list; | |
213 | unsigned long long offset; | |
214 | unsigned int len; | |
215 | }; | |
216 | ||
e8457004 JA |
217 | #define FIO_HDR_MAGIC 0xf00baaef |
218 | ||
219 | struct verify_header { | |
220 | unsigned int fio_magic; | |
221 | unsigned int len; | |
222 | char md5_digest[MD5_HASH_WORDS * 4]; | |
223 | }; | |
224 | ||
02983297 JA |
225 | #define td_read(td) ((td)->ddir == DDIR_READ) |
226 | #define should_fsync(td) (!td_read(td) && !(td)->odirect) | |
227 | ||
892199bd JA |
228 | struct thread_data { |
229 | char file_name[256]; | |
230 | int thread_number; | |
231 | int error; | |
232 | int fd; | |
892199bd | 233 | pid_t pid; |
6b71c826 | 234 | char *orig_buffer; |
4240cfa1 | 235 | volatile int terminate; |
02bdd9ba | 236 | volatile int runstate; |
40ef7f64 | 237 | volatile int old_runstate; |
f737299d JA |
238 | unsigned int ddir; |
239 | unsigned int ioprio; | |
240 | unsigned int sequential; | |
241 | unsigned int bs; | |
8c033f93 JA |
242 | unsigned int min_bs; |
243 | unsigned int max_bs; | |
f737299d | 244 | unsigned int odirect; |
e97712ed | 245 | unsigned int thinktime; |
4240cfa1 | 246 | unsigned int fsync_blocks; |
fc24389f | 247 | unsigned int start_delay; |
47d45203 | 248 | unsigned int timeout; |
43000118 | 249 | unsigned int use_aio; |
02983297 JA |
250 | unsigned int create_file; |
251 | unsigned int overwrite; | |
b95799ca | 252 | unsigned int invalidate_cache; |
1d035750 | 253 | unsigned int bw_avg_time; |
fc097bfe JA |
254 | unsigned int create_serialize; |
255 | unsigned int create_fsync; | |
b6794fbf | 256 | unsigned int loops; |
02983297 JA |
257 | unsigned long long file_size; |
258 | unsigned long long file_offset; | |
74b4b5fb | 259 | unsigned int sync_io; |
99c6704f | 260 | unsigned int mem_type; |
cfc702bd | 261 | unsigned int verify; |
18e0b78c | 262 | cpu_set_t cpumask; |
86184d14 | 263 | |
7889f07b | 264 | struct drand48_data bsrange_state; |
e8457004 | 265 | struct drand48_data verify_state; |
7889f07b | 266 | |
99c6704f JA |
267 | int shm_id; |
268 | ||
63a09e51 JA |
269 | off_t cur_off; |
270 | ||
254605cd | 271 | io_context_t aio_ctx; |
43000118 | 272 | unsigned int aio_depth; |
43000118 | 273 | struct io_event *aio_events; |
2c83567e JA |
274 | |
275 | unsigned int cur_depth; | |
276 | struct list_head io_u_freelist; | |
277 | struct list_head io_u_busylist; | |
43000118 | 278 | |
7dd1389e | 279 | unsigned int rate; |
4240cfa1 JA |
280 | unsigned int ratemin; |
281 | unsigned int ratecycle; | |
282 | unsigned long rate_usec_cycle; | |
283 | long rate_pending_usleep; | |
8c033f93 | 284 | unsigned long rate_kb; |
4240cfa1 | 285 | struct timeval lastrate; |
86184d14 | 286 | |
892199bd | 287 | unsigned long runtime; /* sec */ |
7889f07b | 288 | unsigned long kb; |
4240cfa1 | 289 | unsigned long io_blocks; |
8c033f93 | 290 | unsigned long io_kb; |
f8e3d840 | 291 | unsigned long this_io_kb; |
7889f07b | 292 | unsigned long last_kb; |
892199bd | 293 | sem_t mutex; |
892199bd JA |
294 | struct drand48_data random_state; |
295 | ||
296 | /* | |
e128065d | 297 | * bandwidth and latency stats |
892199bd | 298 | */ |
57d753e3 JA |
299 | struct io_stat clat_stat; /* completion latency */ |
300 | struct io_stat slat_stat; /* submission latency */ | |
301 | ||
302 | struct io_stat bw_stat; /* bandwidth stats */ | |
8c033f93 | 303 | unsigned long stat_io_kb; |
fd1ae4c9 | 304 | struct timeval stat_sample_time; |
4240cfa1 | 305 | |
a0a9b35b JA |
306 | struct io_log *lat_log; |
307 | struct io_log *bw_log; | |
308 | ||
4240cfa1 | 309 | struct timeval start; |
645785e5 JA |
310 | |
311 | struct list_head io_hist_list; | |
892199bd JA |
312 | }; |
313 | ||
314 | static struct thread_data *threads; | |
47d45203 | 315 | static struct thread_data def_thread; |
892199bd JA |
316 | |
317 | static sem_t startup_sem; | |
318 | ||
5c24b2c4 | 319 | static void sig_handler(int sig) |
892199bd JA |
320 | { |
321 | int i; | |
322 | ||
213b446c JA |
323 | for (i = 0; i < thread_number; i++) { |
324 | struct thread_data *td = &threads[i]; | |
325 | ||
326 | td->terminate = 1; | |
327 | td->start_delay = 0; | |
328 | } | |
02bdd9ba JA |
329 | } |
330 | ||
e8457004 | 331 | static int init_random_state(struct thread_data *td) |
946d8870 | 332 | { |
e8457004 JA |
333 | unsigned long seed; |
334 | int fd; | |
946d8870 | 335 | |
e8457004 JA |
336 | fd = open("/dev/random", O_RDONLY); |
337 | if (fd == -1) { | |
338 | td->error = errno; | |
339 | return 1; | |
946d8870 JA |
340 | } |
341 | ||
e8457004 JA |
342 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
343 | td->error = EIO; | |
344 | close(fd); | |
345 | return 1; | |
946d8870 JA |
346 | } |
347 | ||
e8457004 | 348 | close(fd); |
7889f07b JA |
349 | |
350 | srand48_r(seed, &td->bsrange_state); | |
e8457004 | 351 | srand48_r(seed, &td->verify_state); |
892199bd JA |
352 | |
353 | if (td->sequential) | |
354 | return 0; | |
355 | ||
e8457004 JA |
356 | if (repeatable) |
357 | seed = DEF_RANDSEED; | |
892199bd JA |
358 | |
359 | srand48_r(seed, &td->random_state); | |
360 | return 0; | |
361 | } | |
362 | ||
5c24b2c4 | 363 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
364 | { |
365 | double sec, usec; | |
366 | ||
367 | sec = e->tv_sec - s->tv_sec; | |
368 | usec = e->tv_usec - s->tv_usec; | |
369 | if (sec > 0 && usec < 0) { | |
370 | sec--; | |
371 | usec += 1000000; | |
372 | } | |
373 | ||
374 | sec *= (double) 1000000; | |
375 | ||
376 | return sec + usec; | |
377 | } | |
378 | ||
5c24b2c4 | 379 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
380 | { |
381 | double sec, usec; | |
382 | ||
383 | sec = e->tv_sec - s->tv_sec; | |
384 | usec = e->tv_usec - s->tv_usec; | |
385 | if (sec > 0 && usec < 0) { | |
386 | sec--; | |
387 | usec += 1000000; | |
388 | } | |
389 | ||
390 | sec *= (double) 1000; | |
391 | usec /= (double) 1000; | |
392 | ||
393 | return sec + usec; | |
394 | } | |
395 | ||
be33abe4 JA |
396 | static unsigned long mtime_since_now(struct timeval *s) |
397 | { | |
398 | struct timeval t; | |
399 | ||
400 | gettimeofday(&t, NULL); | |
401 | return mtime_since(s, &t); | |
402 | } | |
403 | ||
98168d55 JA |
404 | static inline unsigned long msec_now(struct timeval *s) |
405 | { | |
406 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
407 | } | |
408 | ||
4ac89145 | 409 | static unsigned long long get_next_offset(struct thread_data *td) |
892199bd | 410 | { |
f31fd9c8 | 411 | unsigned long long kb; |
d32d9284 | 412 | long r; |
892199bd JA |
413 | |
414 | if (!td->sequential) { | |
645785e5 JA |
415 | int min_bs_kb = td->min_bs >> 10; |
416 | ||
d32d9284 | 417 | lrand48_r(&td->random_state, &r); |
f31fd9c8 | 418 | kb = (1+(double) (td->kb-1) * r / (RAND_MAX+1.0)); |
645785e5 | 419 | kb = (kb + min_bs_kb - 1) & ~(min_bs_kb - 1); |
7889f07b | 420 | } else |
f31fd9c8 | 421 | kb = td->last_kb; |
7889f07b | 422 | |
f31fd9c8 | 423 | return (kb << 10) + td->file_offset; |
7889f07b JA |
424 | } |
425 | ||
426 | static unsigned int get_next_buflen(struct thread_data *td) | |
427 | { | |
428 | unsigned int buflen; | |
d32d9284 | 429 | long r; |
7889f07b JA |
430 | |
431 | if (td->min_bs == td->max_bs) | |
432 | buflen = td->min_bs; | |
433 | else { | |
d32d9284 | 434 | lrand48_r(&td->bsrange_state, &r); |
7889f07b JA |
435 | buflen = (1 + (double) (td->max_bs - 1) * r / (RAND_MAX + 1.0)); |
436 | buflen = (buflen + td->min_bs - 1) & ~(td->min_bs - 1); | |
892199bd JA |
437 | } |
438 | ||
f8e3d840 JA |
439 | if (buflen > ((td->kb - td->this_io_kb) << 10)) |
440 | buflen = (td->kb - td->this_io_kb) << 10; | |
7889f07b JA |
441 | |
442 | td->last_kb += buflen >> 10; | |
443 | return buflen; | |
892199bd JA |
444 | } |
445 | ||
57d753e3 JA |
446 | static inline void add_stat_sample(struct thread_data *td, struct io_stat *is, |
447 | unsigned long val) | |
892199bd | 448 | { |
57d753e3 JA |
449 | if (val > is->max_val) |
450 | is->max_val = val; | |
451 | if (val < is->min_val) | |
452 | is->min_val = val; | |
453 | ||
454 | is->val += val; | |
455 | is->val_sq += val * val; | |
456 | is->samples++; | |
457 | } | |
fd1ae4c9 | 458 | |
a0a9b35b JA |
459 | static void add_log_sample(struct thread_data *td, struct io_log *log, |
460 | unsigned long val) | |
461 | { | |
462 | if (log->nr_samples == log->max_samples) { | |
463 | int new_size = sizeof(struct io_sample) * log->max_samples * 2; | |
464 | ||
465 | log->log = realloc(log->log, new_size); | |
466 | log->max_samples <<= 1; | |
467 | } | |
468 | ||
469 | log->log[log->nr_samples].val = val; | |
470 | log->log[log->nr_samples].time = mtime_since_now(&td->start); | |
471 | log->nr_samples++; | |
472 | } | |
473 | ||
57d753e3 JA |
474 | static void add_clat_sample(struct thread_data *td, unsigned long msec) |
475 | { | |
476 | add_stat_sample(td, &td->clat_stat, msec); | |
a0a9b35b JA |
477 | |
478 | if (td->lat_log) | |
479 | add_log_sample(td, td->lat_log, msec); | |
57d753e3 | 480 | } |
fd1ae4c9 | 481 | |
57d753e3 JA |
482 | static void add_slat_sample(struct thread_data *td, unsigned long msec) |
483 | { | |
484 | add_stat_sample(td, &td->slat_stat, msec); | |
485 | } | |
fd1ae4c9 | 486 | |
645785e5 | 487 | static void add_bw_sample(struct thread_data *td) |
57d753e3 JA |
488 | { |
489 | unsigned long spent = mtime_since_now(&td->stat_sample_time); | |
490 | unsigned long rate; | |
491 | ||
1d035750 | 492 | if (spent < td->bw_avg_time) |
57d753e3 JA |
493 | return; |
494 | ||
f8e3d840 | 495 | rate = ((td->this_io_kb - td->stat_io_kb) * 1024) / spent; |
57d753e3 JA |
496 | add_stat_sample(td, &td->bw_stat, rate); |
497 | ||
a0a9b35b JA |
498 | if (td->bw_log) |
499 | add_log_sample(td, td->bw_log, rate); | |
500 | ||
57d753e3 | 501 | gettimeofday(&td->stat_sample_time, NULL); |
f8e3d840 | 502 | td->stat_io_kb = td->this_io_kb; |
892199bd JA |
503 | } |
504 | ||
5c24b2c4 | 505 | static void usec_sleep(int usec) |
892199bd | 506 | { |
86184d14 JA |
507 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
508 | struct timespec rem; | |
892199bd JA |
509 | |
510 | do { | |
86184d14 JA |
511 | rem.tv_sec = rem.tv_nsec = 0; |
512 | nanosleep(&req, &rem); | |
513 | if (!rem.tv_nsec) | |
892199bd | 514 | break; |
86184d14 JA |
515 | |
516 | req.tv_nsec = rem.tv_nsec; | |
892199bd JA |
517 | } while (1); |
518 | } | |
519 | ||
9e850933 JA |
520 | static void rate_throttle(struct thread_data *td, unsigned long time_spent, |
521 | unsigned int bytes) | |
86184d14 | 522 | { |
9e850933 JA |
523 | unsigned long usec_cycle; |
524 | ||
4240cfa1 JA |
525 | if (!td->rate) |
526 | return; | |
527 | ||
9e850933 JA |
528 | usec_cycle = td->rate_usec_cycle * (bytes / td->min_bs); |
529 | ||
530 | if (time_spent < usec_cycle) { | |
531 | unsigned long s = usec_cycle - time_spent; | |
86184d14 JA |
532 | |
533 | td->rate_pending_usleep += s; | |
fad86e6a | 534 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
535 | usec_sleep(td->rate_pending_usleep); |
536 | td->rate_pending_usleep = 0; | |
537 | } | |
4240cfa1 | 538 | } else { |
9e850933 | 539 | long overtime = time_spent - usec_cycle; |
42b2b9fe | 540 | |
4240cfa1 JA |
541 | td->rate_pending_usleep -= overtime; |
542 | } | |
543 | } | |
544 | ||
5c24b2c4 | 545 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 546 | { |
7607bc6b | 547 | unsigned long spent; |
4240cfa1 JA |
548 | unsigned long rate; |
549 | ||
550 | /* | |
551 | * allow a 2 second settle period in the beginning | |
552 | */ | |
7607bc6b | 553 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
554 | return 0; |
555 | ||
556 | /* | |
557 | * if rate blocks is set, sample is running | |
558 | */ | |
8c033f93 | 559 | if (td->rate_kb) { |
4240cfa1 JA |
560 | spent = mtime_since(&td->lastrate, now); |
561 | if (spent < td->ratecycle) | |
562 | return 0; | |
563 | ||
f8e3d840 | 564 | rate = ((td->this_io_kb - td->rate_kb) * 1024) / spent; |
4240cfa1 JA |
565 | if (rate < td->ratemin) { |
566 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 567 | if (rate_quit) |
e6402082 | 568 | sig_handler(0); |
4240cfa1 JA |
569 | return 1; |
570 | } | |
86184d14 | 571 | } |
4240cfa1 | 572 | |
f8e3d840 | 573 | td->rate_kb = td->this_io_kb; |
4240cfa1 JA |
574 | memcpy(&td->lastrate, now, sizeof(*now)); |
575 | return 0; | |
86184d14 JA |
576 | } |
577 | ||
67903a2e JA |
578 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
579 | { | |
580 | if (mtime_since(&td->start, t) >= td->timeout * 1000) | |
581 | return 1; | |
582 | ||
583 | return 0; | |
584 | } | |
585 | ||
e8457004 JA |
586 | static void fill_random_bytes(struct thread_data *td, |
587 | unsigned char *p, unsigned int len) | |
588 | { | |
645785e5 | 589 | unsigned int todo; |
40ef7f64 | 590 | double r; |
e8457004 JA |
591 | |
592 | while (len) { | |
40ef7f64 | 593 | drand48_r(&td->verify_state, &r); |
e8457004 | 594 | |
40ef7f64 JA |
595 | /* |
596 | * lrand48_r seems to be broken and only fill the bottom | |
597 | * 32-bits, even on 64-bit archs with 64-bit longs | |
598 | */ | |
599 | todo = sizeof(r); | |
e8457004 JA |
600 | if (todo > len) |
601 | todo = len; | |
602 | ||
603 | memcpy(p, &r, todo); | |
604 | ||
605 | len -= todo; | |
606 | p += todo; | |
607 | } | |
608 | } | |
609 | ||
645785e5 | 610 | static int verify_io_u(struct io_u *io_u) |
e8457004 JA |
611 | { |
612 | struct verify_header *hdr = (struct verify_header *) io_u->buf; | |
613 | unsigned char *p = (unsigned char *) io_u->buf; | |
614 | struct md5_ctx md5_ctx; | |
615 | ||
840b216f | 616 | if (hdr->fio_magic != FIO_HDR_MAGIC) |
e8457004 JA |
617 | return 1; |
618 | ||
619 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
620 | p += sizeof(*hdr); | |
621 | md5_update(&md5_ctx, p, hdr->len - sizeof(*hdr)); | |
622 | ||
623 | return memcmp(hdr->md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
624 | } | |
625 | ||
cfc702bd JA |
626 | /* |
627 | * fill body of io_u->buf with random data and add a header with the | |
628 | * (eg) sha1sum of that data. | |
629 | */ | |
e8457004 | 630 | static void populate_io_u(struct thread_data *td, struct io_u *io_u) |
cfc702bd | 631 | { |
e8457004 JA |
632 | struct md5_ctx md5_ctx; |
633 | struct verify_header hdr; | |
634 | unsigned char *p = (unsigned char *) io_u->buf; | |
635 | ||
636 | hdr.fio_magic = FIO_HDR_MAGIC; | |
637 | hdr.len = io_u->buflen; | |
638 | p += sizeof(hdr); | |
639 | fill_random_bytes(td, p, io_u->buflen - sizeof(hdr)); | |
640 | ||
641 | memset(&md5_ctx, 0, sizeof(md5_ctx)); | |
642 | md5_update(&md5_ctx, p, io_u->buflen - sizeof(hdr)); | |
643 | memcpy(hdr.md5_digest, md5_ctx.hash, sizeof(md5_ctx.hash)); | |
644 | memcpy(io_u->buf, &hdr, sizeof(hdr)); | |
cfc702bd JA |
645 | } |
646 | ||
2c83567e JA |
647 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
648 | { | |
649 | list_del(&io_u->list); | |
650 | list_add(&io_u->list, &td->io_u_freelist); | |
651 | td->cur_depth--; | |
652 | } | |
653 | ||
f0f3411b JA |
654 | #define queue_full(td) (list_empty(&(td)->io_u_freelist)) |
655 | ||
e8457004 JA |
656 | static struct io_u *__get_io_u(struct thread_data *td) |
657 | { | |
658 | struct io_u *io_u; | |
659 | ||
f0f3411b | 660 | if (queue_full(td)) |
e8457004 JA |
661 | return NULL; |
662 | ||
663 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
664 | list_del(&io_u->list); | |
665 | list_add(&io_u->list, &td->io_u_busylist); | |
f4bb2243 | 666 | td->cur_depth++; |
e8457004 JA |
667 | return io_u; |
668 | } | |
669 | ||
2c83567e JA |
670 | static struct io_u *get_io_u(struct thread_data *td) |
671 | { | |
672 | struct io_u *io_u; | |
673 | ||
e8457004 JA |
674 | io_u = __get_io_u(td); |
675 | if (!io_u) | |
2c83567e JA |
676 | return NULL; |
677 | ||
b2a369fb JA |
678 | io_u->offset = get_next_offset(td); |
679 | io_u->buflen = get_next_buflen(td); | |
680 | if (!io_u->buflen) { | |
e8457004 | 681 | put_io_u(td, io_u); |
7889f07b | 682 | return NULL; |
e8457004 | 683 | } |
2c83567e | 684 | |
cfc702bd | 685 | if (!td_read(td) && td->verify) |
e8457004 | 686 | populate_io_u(td, io_u); |
cfc702bd | 687 | |
2c83567e JA |
688 | if (td->use_aio) { |
689 | if (td_read(td)) | |
690 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
691 | else | |
692 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
693 | } | |
694 | ||
57d753e3 | 695 | gettimeofday(&io_u->start_time, NULL); |
2c83567e JA |
696 | return io_u; |
697 | } | |
698 | ||
40ef7f64 JA |
699 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
700 | { | |
701 | td->old_runstate = td->runstate; | |
702 | td->runstate = runstate; | |
703 | } | |
704 | ||
645785e5 JA |
705 | static int get_next_verify(struct thread_data *td, |
706 | unsigned long long *offset, unsigned int *len) | |
707 | { | |
708 | struct io_piece *ipo; | |
709 | ||
710 | if (list_empty(&td->io_hist_list)) | |
711 | return 1; | |
712 | ||
713 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
714 | list_del(&ipo->list); | |
715 | ||
716 | *offset = ipo->offset; | |
717 | *len = ipo->len; | |
718 | free(ipo); | |
719 | return 0; | |
720 | } | |
721 | ||
91fc5dc9 | 722 | static void do_sync_verify(struct thread_data *td) |
cfc702bd | 723 | { |
40ef7f64 | 724 | struct timeval t; |
e8457004 | 725 | struct io_u *io_u = NULL; |
645785e5 | 726 | int ret; |
e8457004 | 727 | |
40ef7f64 | 728 | td_set_runstate(td, TD_VERIFYING); |
e8457004 JA |
729 | |
730 | io_u = __get_io_u(td); | |
731 | ||
40ef7f64 JA |
732 | if (!td->odirect) { |
733 | unsigned long size = td->kb << 10; | |
734 | ||
735 | if (fadvise(td->fd, 0, size, POSIX_FADV_DONTNEED) < 0) { | |
736 | td->error = errno; | |
737 | goto out; | |
738 | } | |
739 | } | |
740 | ||
e8457004 JA |
741 | do { |
742 | if (td->terminate) | |
743 | break; | |
40ef7f64 JA |
744 | |
745 | gettimeofday(&t, NULL); | |
746 | if (runtime_exceeded(td, &t)) | |
747 | break; | |
748 | ||
645785e5 JA |
749 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) |
750 | break; | |
751 | ||
752 | if (td->cur_off != io_u->offset) { | |
753 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
754 | td->error = errno; | |
755 | break; | |
756 | } | |
757 | } | |
e8457004 JA |
758 | |
759 | ret = read(td->fd, io_u->buf, io_u->buflen); | |
760 | if (ret < (int) io_u->buflen) { | |
761 | if (ret == -1) { | |
762 | td->error = errno; | |
763 | break; | |
764 | } else if (!ret) | |
765 | break; | |
766 | else | |
767 | io_u->buflen = ret; | |
768 | } | |
769 | ||
645785e5 | 770 | if (verify_io_u(io_u)) |
e8457004 JA |
771 | break; |
772 | ||
645785e5 | 773 | td->cur_off = io_u->offset + io_u->buflen; |
e8457004 JA |
774 | } while (1); |
775 | ||
776 | out: | |
40ef7f64 | 777 | td_set_runstate(td, TD_RUNNING); |
e8457004 | 778 | put_io_u(td, io_u); |
cfc702bd JA |
779 | } |
780 | ||
645785e5 JA |
781 | /* |
782 | * log a succesful write, so we can unwind the log for verify | |
783 | */ | |
784 | static void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
785 | { | |
786 | struct io_piece *ipo = malloc(sizeof(*ipo)); | |
787 | struct list_head *entry; | |
788 | ||
789 | INIT_LIST_HEAD(&ipo->list); | |
790 | ipo->offset = io_u->offset; | |
791 | ipo->len = io_u->buflen; | |
792 | ||
793 | if (td->sequential) { | |
794 | list_add_tail(&ipo->list, &td->io_hist_list); | |
795 | return; | |
796 | } | |
797 | ||
798 | /* | |
799 | * for random io, sort the list so verify will run faster | |
800 | */ | |
801 | entry = &td->io_hist_list; | |
802 | while ((entry = entry->prev) != &td->io_hist_list) { | |
803 | struct io_piece *__ipo = list_entry(entry, struct io_piece, list); | |
804 | ||
805 | if (__ipo->offset == ipo->offset && | |
806 | __ipo->len == ipo->len) { | |
807 | free(ipo); | |
808 | ipo = NULL; | |
809 | break; | |
810 | } else if (__ipo->offset < ipo->offset) | |
811 | break; | |
812 | } | |
813 | ||
814 | if (ipo) | |
815 | list_add(&ipo->list, entry); | |
816 | } | |
817 | ||
43000118 | 818 | static void do_sync_io(struct thread_data *td) |
892199bd | 819 | { |
7889f07b | 820 | unsigned long msec, usec; |
e8457004 | 821 | struct io_u *io_u = NULL; |
2c83567e | 822 | struct timeval e; |
892199bd | 823 | |
d32d9284 | 824 | while (td->this_io_kb < td->kb) { |
892199bd JA |
825 | int ret; |
826 | ||
827 | if (td->terminate) | |
828 | break; | |
829 | ||
2c83567e | 830 | io_u = get_io_u(td); |
7889f07b JA |
831 | if (!io_u) |
832 | break; | |
2c83567e | 833 | |
63a09e51 JA |
834 | if (td->cur_off != io_u->offset) { |
835 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
836 | td->error = errno; | |
837 | break; | |
838 | } | |
892199bd JA |
839 | } |
840 | ||
02983297 | 841 | if (td_read(td)) |
2c83567e | 842 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 843 | else |
2c83567e | 844 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 845 | |
2c83567e | 846 | if (ret < (int) io_u->buflen) { |
892199bd JA |
847 | if (ret == -1) |
848 | td->error = errno; | |
849 | break; | |
850 | } | |
851 | ||
645785e5 JA |
852 | if (!td_read(td)) |
853 | log_io_piece(td, io_u); | |
854 | ||
4240cfa1 | 855 | td->io_blocks++; |
8c033f93 | 856 | td->io_kb += io_u->buflen >> 10; |
f8e3d840 | 857 | td->this_io_kb += io_u->buflen >> 10; |
63a09e51 | 858 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 | 859 | |
86184d14 JA |
860 | gettimeofday(&e, NULL); |
861 | ||
57d753e3 | 862 | usec = utime_since(&io_u->start_time, &e); |
86184d14 | 863 | |
9e850933 | 864 | rate_throttle(td, usec, io_u->buflen); |
892199bd | 865 | |
4240cfa1 JA |
866 | if (check_min_rate(td, &e)) { |
867 | td->error = ENODATA; | |
868 | break; | |
869 | } | |
892199bd | 870 | |
4240cfa1 | 871 | msec = usec / 1000; |
57d753e3 | 872 | add_clat_sample(td, msec); |
645785e5 | 873 | add_bw_sample(td); |
67903a2e JA |
874 | |
875 | if (runtime_exceeded(td, &e)) | |
876 | break; | |
2c83567e | 877 | |
cdf92433 | 878 | put_io_u(td, io_u); |
e8457004 | 879 | io_u = NULL; |
cdf92433 | 880 | |
e97712ed JA |
881 | if (td->thinktime) |
882 | usec_sleep(td->thinktime); | |
883 | ||
cdf92433 JA |
884 | if (should_fsync(td) && td->fsync_blocks && |
885 | (td->io_blocks % td->fsync_blocks) == 0) | |
886 | fsync(td->fd); | |
892199bd JA |
887 | } |
888 | ||
e8457004 JA |
889 | if (io_u) |
890 | put_io_u(td, io_u); | |
891 | ||
4240cfa1 | 892 | if (should_fsync(td)) |
892199bd | 893 | fsync(td->fd); |
892199bd | 894 | } |
43000118 | 895 | |
2c83567e | 896 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 897 | { |
2c83567e | 898 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
899 | int ret; |
900 | ||
901 | do { | |
254605cd | 902 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
903 | if (ret == 1) |
904 | return 0; | |
a592bd33 | 905 | else if (ret == EAGAIN) |
56b0eff0 | 906 | usleep(100); |
a592bd33 JA |
907 | else if (ret == EINTR) |
908 | continue; | |
56b0eff0 JA |
909 | else |
910 | break; | |
911 | } while (1); | |
912 | ||
a592bd33 | 913 | return ret; |
56b0eff0 JA |
914 | } |
915 | ||
98168d55 | 916 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
917 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
918 | ||
f0f3411b | 919 | static int ios_completed(struct thread_data *td, int nr) |
2c83567e JA |
920 | { |
921 | unsigned long msec; | |
922 | struct io_u *io_u; | |
923 | struct timeval e; | |
9e850933 | 924 | int i, bytes_done; |
2c83567e | 925 | |
f0f3411b | 926 | gettimeofday(&e, NULL); |
2c83567e | 927 | |
9e850933 | 928 | for (i = 0, bytes_done = 0; i < nr; i++) { |
2c83567e JA |
929 | io_u = ev_to_iou(td->aio_events + i); |
930 | ||
f0f3411b JA |
931 | td->io_blocks++; |
932 | td->io_kb += io_u->buflen >> 10; | |
933 | td->this_io_kb += io_u->buflen >> 10; | |
8c033f93 | 934 | |
f0f3411b | 935 | msec = mtime_since(&io_u->issue_time, &e); |
2c83567e | 936 | |
f0f3411b | 937 | add_clat_sample(td, msec); |
645785e5 JA |
938 | add_bw_sample(td); |
939 | ||
940 | if (!td_read(td)) | |
941 | log_io_piece(td, io_u); | |
2c83567e | 942 | |
f4bb2243 | 943 | bytes_done += io_u->buflen; |
2c83567e JA |
944 | put_io_u(td, io_u); |
945 | } | |
9e850933 JA |
946 | |
947 | return bytes_done; | |
2c83567e JA |
948 | } |
949 | ||
950 | static void cleanup_pending_aio(struct thread_data *td) | |
951 | { | |
952 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
953 | struct list_head *entry, *n; | |
954 | struct io_u *io_u; | |
955 | int r; | |
956 | ||
957 | /* | |
958 | * get immediately available events, if any | |
959 | */ | |
960 | r = io_getevents(td->aio_ctx, 0, td->cur_depth, td->aio_events, &ts); | |
961 | if (r > 0) | |
f0f3411b | 962 | ios_completed(td, r); |
2c83567e JA |
963 | |
964 | /* | |
965 | * now cancel remaining active events | |
966 | */ | |
967 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
968 | io_u = list_entry(entry, struct io_u, list); | |
969 | ||
970 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
971 | if (!r) | |
972 | put_io_u(td, io_u); | |
973 | } | |
974 | ||
975 | if (td->cur_depth) { | |
976 | r = io_getevents(td->aio_ctx, td->cur_depth, td->cur_depth, td->aio_events, NULL); | |
977 | if (r > 0) | |
f0f3411b | 978 | ios_completed(td, r); |
2c83567e JA |
979 | } |
980 | } | |
98168d55 | 981 | |
d32d9284 JA |
982 | static int async_do_verify(struct thread_data *td, struct io_u **io_u) |
983 | { | |
984 | struct io_u *v_io_u = *io_u; | |
985 | int ret = 0; | |
986 | ||
987 | if (v_io_u) { | |
645785e5 | 988 | ret = verify_io_u(v_io_u); |
d32d9284 JA |
989 | put_io_u(td, v_io_u); |
990 | *io_u = NULL; | |
991 | } | |
992 | ||
993 | return ret; | |
994 | } | |
995 | ||
91fc5dc9 | 996 | static void do_async_verify(struct thread_data *td) |
cfc702bd | 997 | { |
f4bb2243 | 998 | struct timeval t; |
d32d9284 | 999 | struct io_u *io_u, *v_io_u = NULL; |
645785e5 | 1000 | int ret; |
f4bb2243 JA |
1001 | |
1002 | td_set_runstate(td, TD_VERIFYING); | |
1003 | ||
f4bb2243 JA |
1004 | do { |
1005 | if (td->terminate) | |
1006 | break; | |
1007 | ||
1008 | gettimeofday(&t, NULL); | |
1009 | if (runtime_exceeded(td, &t)) | |
1010 | break; | |
1011 | ||
1012 | io_u = __get_io_u(td); | |
1013 | if (!io_u) | |
1014 | break; | |
1015 | ||
645785e5 JA |
1016 | if (get_next_verify(td, &io_u->offset, &io_u->buflen)) { |
1017 | put_io_u(td, io_u); | |
1018 | break; | |
f4bb2243 JA |
1019 | } |
1020 | ||
1021 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
1022 | ret = io_u_queue(td, io_u); | |
1023 | if (ret) { | |
1024 | put_io_u(td, io_u); | |
1025 | td->error = ret; | |
1026 | break; | |
1027 | } | |
1028 | ||
f0f3411b JA |
1029 | /* |
1030 | * we have one pending to verify, do that while the next | |
1031 | * we are doing io on the next one | |
1032 | */ | |
d32d9284 JA |
1033 | if (async_do_verify(td, &v_io_u)) |
1034 | break; | |
f0f3411b JA |
1035 | |
1036 | ret = io_getevents(td->aio_ctx, 1, 1, td->aio_events, NULL); | |
1037 | if (ret != 1) { | |
1038 | if (ret < 0) | |
1039 | td->error = ret; | |
f4bb2243 JA |
1040 | break; |
1041 | } | |
1042 | ||
f0f3411b | 1043 | v_io_u = ev_to_iou(td->aio_events); |
f4bb2243 | 1044 | |
645785e5 | 1045 | td->cur_off = v_io_u->offset + v_io_u->buflen; |
f0f3411b JA |
1046 | |
1047 | /* | |
d32d9284 | 1048 | * if we can't submit more io, we need to verify now |
f0f3411b | 1049 | */ |
d32d9284 JA |
1050 | if (queue_full(td) && async_do_verify(td, &v_io_u)) |
1051 | break; | |
1052 | ||
f4bb2243 JA |
1053 | } while (1); |
1054 | ||
d32d9284 | 1055 | async_do_verify(td, &v_io_u); |
f0f3411b | 1056 | |
f4bb2243 JA |
1057 | if (td->cur_depth) |
1058 | cleanup_pending_aio(td); | |
1059 | ||
1060 | td_set_runstate(td, TD_RUNNING); | |
cfc702bd JA |
1061 | } |
1062 | ||
43000118 JA |
1063 | static void do_async_io(struct thread_data *td) |
1064 | { | |
1065 | struct timeval s, e; | |
7889f07b | 1066 | unsigned long usec; |
43000118 | 1067 | |
d32d9284 | 1068 | while (td->this_io_kb < td->kb) { |
43000118 JA |
1069 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; |
1070 | struct timespec *timeout; | |
2c83567e JA |
1071 | int ret, min_evts = 0; |
1072 | struct io_u *io_u; | |
9e850933 | 1073 | unsigned int bytes_done; |
43000118 JA |
1074 | |
1075 | if (td->terminate) | |
1076 | break; | |
1077 | ||
2c83567e | 1078 | io_u = get_io_u(td); |
7889f07b JA |
1079 | if (!io_u) |
1080 | break; | |
43000118 | 1081 | |
57d753e3 | 1082 | memcpy(&s, &io_u->start_time, sizeof(s)); |
8baf1bcc | 1083 | |
2c83567e | 1084 | ret = io_u_queue(td, io_u); |
56b0eff0 | 1085 | if (ret) { |
a3fdb993 | 1086 | put_io_u(td, io_u); |
a592bd33 | 1087 | td->error = ret; |
43000118 JA |
1088 | break; |
1089 | } | |
1090 | ||
57d753e3 JA |
1091 | gettimeofday(&io_u->issue_time, NULL); |
1092 | add_slat_sample(td, mtime_since(&io_u->start_time, &io_u->issue_time)); | |
2c83567e | 1093 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
1094 | timeout = &ts; |
1095 | min_evts = 0; | |
1096 | } else { | |
1097 | timeout = NULL; | |
1098 | min_evts = 1; | |
1099 | } | |
1100 | ||
2c83567e | 1101 | ret = io_getevents(td->aio_ctx, min_evts, td->cur_depth, td->aio_events, timeout); |
43000118 JA |
1102 | if (ret < 0) { |
1103 | td->error = errno; | |
1104 | break; | |
1105 | } else if (!ret) | |
1106 | continue; | |
1107 | ||
f0f3411b | 1108 | bytes_done = ios_completed(td, ret); |
43000118 | 1109 | |
98168d55 JA |
1110 | /* |
1111 | * the rate is batched for now, it should work for batches | |
1112 | * of completions except the very first one which may look | |
1113 | * a little bursty | |
1114 | */ | |
2c83567e | 1115 | gettimeofday(&e, NULL); |
43000118 JA |
1116 | usec = utime_since(&s, &e); |
1117 | ||
9e850933 | 1118 | rate_throttle(td, usec, bytes_done); |
43000118 JA |
1119 | |
1120 | if (check_min_rate(td, &e)) { | |
1121 | td->error = ENODATA; | |
1122 | break; | |
1123 | } | |
67903a2e JA |
1124 | |
1125 | if (runtime_exceeded(td, &e)) | |
1126 | break; | |
765d9223 JA |
1127 | |
1128 | if (td->thinktime) | |
1129 | usec_sleep(td->thinktime); | |
cdf92433 JA |
1130 | |
1131 | if (should_fsync(td) && td->fsync_blocks && | |
1132 | (td->io_blocks % td->fsync_blocks) == 0) | |
1133 | fsync(td->fd); | |
43000118 | 1134 | } |
56b0eff0 | 1135 | |
2c83567e JA |
1136 | if (td->cur_depth) |
1137 | cleanup_pending_aio(td); | |
4ac89145 JA |
1138 | |
1139 | if (should_fsync(td)) | |
1140 | fsync(td->fd); | |
56b0eff0 JA |
1141 | } |
1142 | ||
1143 | static void cleanup_aio(struct thread_data *td) | |
1144 | { | |
254605cd JA |
1145 | io_destroy(td->aio_ctx); |
1146 | ||
43000118 JA |
1147 | if (td->aio_events) |
1148 | free(td->aio_events); | |
43000118 JA |
1149 | } |
1150 | ||
1151 | static int init_aio(struct thread_data *td) | |
1152 | { | |
254605cd | 1153 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
1154 | td->error = errno; |
1155 | return 1; | |
1156 | } | |
1157 | ||
43000118 | 1158 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
1159 | return 0; |
1160 | } | |
1161 | ||
2c83567e JA |
1162 | static void cleanup_io_u(struct thread_data *td) |
1163 | { | |
1164 | struct list_head *entry, *n; | |
1165 | struct io_u *io_u; | |
1166 | ||
1167 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
1168 | io_u = list_entry(entry, struct io_u, list); | |
1169 | ||
1170 | list_del(&io_u->list); | |
2c83567e JA |
1171 | free(io_u); |
1172 | } | |
6b71c826 | 1173 | |
99c6704f JA |
1174 | if (td->mem_type == MEM_MALLOC) |
1175 | free(td->orig_buffer); | |
1176 | else if (td->mem_type == MEM_SHM) { | |
1177 | struct shmid_ds sbuf; | |
1178 | ||
1179 | shmdt(td->orig_buffer); | |
1180 | shmctl(td->shm_id, IPC_RMID, &sbuf); | |
1181 | } | |
2c83567e JA |
1182 | } |
1183 | ||
99c6704f | 1184 | static int init_io_u(struct thread_data *td) |
2c83567e JA |
1185 | { |
1186 | struct io_u *io_u; | |
99c6704f | 1187 | int i, max_units, mem_size; |
6b71c826 | 1188 | char *p; |
2c83567e JA |
1189 | |
1190 | if (!td->use_aio) | |
1191 | max_units = 1; | |
1192 | else | |
1193 | max_units = td->aio_depth; | |
1194 | ||
7889f07b | 1195 | mem_size = td->max_bs * max_units + MASK; |
99c6704f JA |
1196 | |
1197 | if (td->mem_type == MEM_MALLOC) | |
1198 | td->orig_buffer = malloc(mem_size); | |
1199 | else if (td->mem_type == MEM_SHM) { | |
1200 | td->shm_id = shmget(IPC_PRIVATE, mem_size, IPC_CREAT | 0600); | |
1201 | if (td->shm_id < 0) { | |
1202 | td->error = errno; | |
1203 | perror("shmget"); | |
1204 | return 1; | |
1205 | } | |
1206 | ||
1207 | td->orig_buffer = shmat(td->shm_id, NULL, 0); | |
1208 | if (td->orig_buffer == (void *) -1) { | |
1209 | td->error = errno; | |
1210 | perror("shmat"); | |
1211 | return 1; | |
1212 | } | |
1213 | } | |
6b71c826 | 1214 | |
2c83567e JA |
1215 | INIT_LIST_HEAD(&td->io_u_freelist); |
1216 | INIT_LIST_HEAD(&td->io_u_busylist); | |
645785e5 | 1217 | INIT_LIST_HEAD(&td->io_hist_list); |
2c83567e | 1218 | |
99c6704f | 1219 | p = ALIGN(td->orig_buffer); |
2c83567e JA |
1220 | for (i = 0; i < max_units; i++) { |
1221 | io_u = malloc(sizeof(*io_u)); | |
1222 | memset(io_u, 0, sizeof(*io_u)); | |
1223 | INIT_LIST_HEAD(&io_u->list); | |
1224 | ||
7889f07b | 1225 | io_u->buf = p + td->max_bs * i; |
2c83567e JA |
1226 | list_add(&io_u->list, &td->io_u_freelist); |
1227 | } | |
99c6704f JA |
1228 | |
1229 | return 0; | |
2c83567e JA |
1230 | } |
1231 | ||
a0a9b35b JA |
1232 | static void setup_log(struct io_log **log) |
1233 | { | |
1234 | struct io_log *l = malloc(sizeof(*l)); | |
1235 | ||
1236 | l->nr_samples = 0; | |
1237 | l->max_samples = 1024; | |
1238 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); | |
1239 | *log = l; | |
1240 | } | |
1241 | ||
1242 | static void finish_log(struct thread_data *td, struct io_log *log, char *name) | |
1243 | { | |
1244 | char file_name[128]; | |
1245 | FILE *f; | |
645785e5 | 1246 | unsigned int i; |
a0a9b35b JA |
1247 | |
1248 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); | |
1249 | f = fopen(file_name, "w"); | |
1250 | if (!f) { | |
1251 | perror("fopen log"); | |
1252 | return; | |
1253 | } | |
1254 | ||
1255 | for (i = 0; i < log->nr_samples; i++) | |
1256 | fprintf(f, "%lu, %lu\n", log->log[i].time, log->log[i].val); | |
1257 | ||
1258 | fclose(f); | |
1259 | free(log->log); | |
1260 | free(log); | |
1261 | } | |
1262 | ||
02983297 JA |
1263 | static int create_file(struct thread_data *td) |
1264 | { | |
7889f07b | 1265 | unsigned long long left; |
645785e5 | 1266 | unsigned int bs; |
02983297 | 1267 | char *b; |
645785e5 | 1268 | int r; |
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 | |
645785e5 | 1302 | if (r == (int) bs) { |
7889f07b | 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 | ||
91fc5dc9 JA |
1472 | if (td->error) |
1473 | break; | |
1474 | ||
b2de0ed2 JA |
1475 | if (!td->verify) |
1476 | continue; | |
cfc702bd | 1477 | |
b2de0ed2 | 1478 | clear_io_state(td); |
d32d9284 | 1479 | |
91fc5dc9 JA |
1480 | if (!td->use_aio) |
1481 | do_sync_verify(td); | |
1482 | else | |
1483 | do_async_verify(td); | |
1484 | ||
1485 | if (td->error) | |
1486 | break; | |
b6794fbf | 1487 | } |
7292613b | 1488 | |
be33abe4 | 1489 | td->runtime = mtime_since_now(&td->start); |
892199bd | 1490 | ret = 0; |
a0a9b35b JA |
1491 | |
1492 | if (td->bw_log) | |
1493 | finish_log(td, td->bw_log, "bw"); | |
1494 | if (td->lat_log) | |
1495 | finish_log(td, td->lat_log, "lat"); | |
4ac89145 | 1496 | |
98dd52d6 JA |
1497 | if (exitall_on_terminate) |
1498 | sig_handler(0); | |
1499 | ||
892199bd | 1500 | err: |
7292613b JA |
1501 | if (td->fd != -1) { |
1502 | close(td->fd); | |
1503 | td->fd = -1; | |
1504 | } | |
4ac89145 JA |
1505 | if (td->use_aio) |
1506 | cleanup_aio(td); | |
2c83567e | 1507 | cleanup_io_u(td); |
599002b3 | 1508 | if (ret) { |
892199bd | 1509 | sem_post(&startup_sem); |
599002b3 JA |
1510 | sem_wait(&td->mutex); |
1511 | } | |
40ef7f64 | 1512 | td_set_runstate(td, TD_EXITED); |
4240cfa1 | 1513 | shmdt(data); |
892199bd JA |
1514 | return NULL; |
1515 | } | |
1516 | ||
5c24b2c4 | 1517 | static void free_shm(void) |
892199bd | 1518 | { |
c269123b JA |
1519 | struct shmid_ds sbuf; |
1520 | ||
1521 | if (threads) { | |
1522 | shmdt(threads); | |
1523 | threads = NULL; | |
1524 | shmctl(shm_id, IPC_RMID, &sbuf); | |
1525 | } | |
892199bd JA |
1526 | } |
1527 | ||
57d753e3 JA |
1528 | static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max, |
1529 | double *mean, double *dev) | |
1530 | { | |
1531 | double n; | |
1532 | ||
1533 | if (is->samples == 0) | |
1534 | return 0; | |
1535 | ||
1536 | *min = is->min_val; | |
1537 | *max = is->max_val; | |
1538 | ||
1539 | n = (double) is->samples; | |
1540 | *mean = (double) is->val / n; | |
1541 | *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1)); | |
1542 | return 1; | |
1543 | } | |
1544 | ||
5c24b2c4 | 1545 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
1546 | { |
1547 | int prio, prio_class; | |
57d753e3 JA |
1548 | unsigned long min, max, bw = 0; |
1549 | double mean, dev; | |
892199bd | 1550 | |
8c033f93 | 1551 | if (!td->io_kb && !td->error) |
213b446c JA |
1552 | return; |
1553 | ||
892199bd | 1554 | if (td->runtime) |
7889f07b | 1555 | bw = td->io_kb * 1024 / td->runtime; |
892199bd JA |
1556 | |
1557 | prio = td->ioprio & 0xff; | |
1558 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
1559 | ||
396fe7cd | 1560 | 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 | 1561 | |
57d753e3 JA |
1562 | if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev)) |
1563 | printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1564 | if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev)) | |
1565 | printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
1566 | if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) | |
1567 | printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev); | |
892199bd JA |
1568 | } |
1569 | ||
5c24b2c4 | 1570 | static int setup_rate(struct thread_data *td) |
86184d14 | 1571 | { |
4240cfa1 JA |
1572 | int nr_reads_per_sec; |
1573 | ||
1574 | if (!td->rate) | |
1575 | return 0; | |
1576 | ||
1577 | if (td->rate < td->ratemin) { | |
1578 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
1579 | return -1; | |
1580 | } | |
86184d14 | 1581 | |
7889f07b | 1582 | nr_reads_per_sec = td->rate * 1024 / td->min_bs; |
86184d14 JA |
1583 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
1584 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1585 | return 0; |
86184d14 JA |
1586 | } |
1587 | ||
47d45203 | 1588 | static struct thread_data *get_new_job(int global) |
892199bd | 1589 | { |
4240cfa1 JA |
1590 | struct thread_data *td; |
1591 | ||
47d45203 JA |
1592 | if (global) |
1593 | return &def_thread; | |
8867c0a8 | 1594 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1595 | return NULL; |
1596 | ||
1597 | td = &threads[thread_number++]; | |
fc24389f | 1598 | memset(td, 0, sizeof(*td)); |
892199bd | 1599 | |
e4ed35c3 | 1600 | td->fd = -1; |
86184d14 | 1601 | td->thread_number = thread_number; |
76cb7b42 | 1602 | |
47d45203 | 1603 | td->ddir = def_thread.ddir; |
76cb7b42 JA |
1604 | td->ioprio = def_thread.ioprio; |
1605 | td->sequential = def_thread.sequential; | |
47d45203 | 1606 | td->bs = def_thread.bs; |
8c033f93 JA |
1607 | td->min_bs = def_thread.min_bs; |
1608 | td->max_bs = def_thread.max_bs; | |
47d45203 | 1609 | td->odirect = def_thread.odirect; |
e97712ed | 1610 | td->thinktime = def_thread.thinktime; |
76cb7b42 JA |
1611 | td->fsync_blocks = def_thread.fsync_blocks; |
1612 | td->start_delay = def_thread.start_delay; | |
67903a2e | 1613 | td->timeout = def_thread.timeout; |
76cb7b42 | 1614 | td->use_aio = def_thread.use_aio; |
02983297 JA |
1615 | td->create_file = def_thread.create_file; |
1616 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1617 | td->invalidate_cache = def_thread.invalidate_cache; |
76cb7b42 | 1618 | td->file_size = def_thread.file_size; |
9b5cf6c0 | 1619 | td->file_offset = def_thread.file_offset; |
76cb7b42 JA |
1620 | td->rate = def_thread.rate; |
1621 | td->ratemin = def_thread.ratemin; | |
1622 | td->ratecycle = def_thread.ratecycle; | |
1623 | td->aio_depth = def_thread.aio_depth; | |
99c6704f JA |
1624 | td->sync_io = def_thread.sync_io; |
1625 | td->mem_type = def_thread.mem_type; | |
1d035750 | 1626 | td->bw_avg_time = def_thread.bw_avg_time; |
fc097bfe JA |
1627 | td->create_serialize = def_thread.create_serialize; |
1628 | td->create_fsync = def_thread.create_fsync; | |
b6794fbf | 1629 | td->loops = def_thread.loops; |
cfc702bd | 1630 | td->verify = def_thread.verify; |
47d45203 | 1631 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1632 | |
1633 | return td; | |
1634 | } | |
1635 | ||
4240cfa1 JA |
1636 | static void put_job(struct thread_data *td) |
1637 | { | |
1638 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1639 | thread_number--; | |
1640 | } | |
1641 | ||
5c24b2c4 JA |
1642 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1643 | int prio) | |
f737299d | 1644 | { |
47d45203 JA |
1645 | if (td == &def_thread) |
1646 | return 0; | |
1647 | ||
f737299d | 1648 | strcpy(td->file_name, filename); |
4240cfa1 | 1649 | sem_init(&td->mutex, 1, 0); |
f737299d JA |
1650 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1651 | ||
57d753e3 JA |
1652 | td->clat_stat.min_val = ULONG_MAX; |
1653 | td->slat_stat.min_val = ULONG_MAX; | |
1654 | td->bw_stat.min_val = ULONG_MAX; | |
1655 | ||
8dbff0b1 JA |
1656 | run_str[td->thread_number - 1] = 'P'; |
1657 | ||
4ac89145 JA |
1658 | if (td->use_aio && !td->aio_depth) |
1659 | td->aio_depth = 1; | |
43000118 | 1660 | |
645785e5 | 1661 | if (td->min_bs == -1U) |
8bdcfab5 | 1662 | td->min_bs = td->bs; |
645785e5 | 1663 | if (td->max_bs == -1U) |
8bdcfab5 | 1664 | td->max_bs = td->bs; |
645785e5 | 1665 | if (td_read(td)) |
840b216f | 1666 | td->verify = 0; |
8bdcfab5 | 1667 | |
4240cfa1 JA |
1668 | if (setup_rate(td)) |
1669 | return -1; | |
f737299d | 1670 | |
a0a9b35b JA |
1671 | if (write_lat_log) |
1672 | setup_log(&td->lat_log); | |
1673 | if (write_bw_log) | |
1674 | setup_log(&td->bw_log); | |
1675 | ||
7889f07b | 1676 | 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 | 1677 | return 0; |
892199bd JA |
1678 | } |
1679 | ||
18e0b78c JA |
1680 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1681 | { | |
f737299d | 1682 | unsigned int i; |
18e0b78c JA |
1683 | |
1684 | CPU_ZERO(&cpumask); | |
1685 | ||
1686 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1687 | if ((1 << i) & cpu) | |
1688 | CPU_SET(i, &cpumask); | |
1689 | } | |
1690 | } | |
1691 | ||
7889f07b JA |
1692 | unsigned long get_mult(char c) |
1693 | { | |
1694 | switch (c) { | |
1695 | case 'k': | |
1696 | case 'K': | |
1697 | return 1024; | |
1698 | case 'm': | |
1699 | case 'M': | |
1700 | return 1024 * 1024; | |
1701 | case 'g': | |
1702 | case 'G': | |
1703 | return 1024 * 1024 * 1024; | |
1704 | default: | |
1705 | return 1; | |
1706 | } | |
1707 | } | |
1708 | ||
02983297 JA |
1709 | /* |
1710 | * convert string after '=' into decimal value, noting any size suffix | |
1711 | */ | |
1712 | static int str_cnv(char *p, unsigned long long *val) | |
1713 | { | |
02983297 JA |
1714 | char *str; |
1715 | int len; | |
1716 | ||
1717 | str = strstr(p, "="); | |
1718 | if (!str) | |
1719 | return 1; | |
1720 | ||
1721 | str++; | |
1722 | len = strlen(str); | |
02983297 JA |
1723 | |
1724 | *val = strtoul(str, NULL, 10); | |
1725 | if (*val == ULONG_MAX && errno == ERANGE) | |
1726 | return 1; | |
1727 | ||
7889f07b | 1728 | *val *= get_mult(str[len - 2]); |
02983297 | 1729 | return 0; |
02983297 JA |
1730 | } |
1731 | ||
02983297 JA |
1732 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1733 | { | |
1734 | if (!strstr(p, name)) | |
1735 | return 1; | |
1736 | ||
1737 | return str_cnv(p, val); | |
1738 | } | |
1739 | ||
99c6704f JA |
1740 | static int check_str(char *p, char *name, char *option) |
1741 | { | |
1742 | char *s = strstr(p, name); | |
1743 | ||
1744 | if (!s) | |
1745 | return 1; | |
1746 | ||
1747 | s += strlen(name); | |
1748 | if (strstr(s, option)) | |
1749 | return 0; | |
1750 | ||
1751 | return 1; | |
1752 | } | |
1753 | ||
7889f07b JA |
1754 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
1755 | { | |
1756 | char str[128]; | |
1757 | char s1, s2; | |
1758 | ||
1759 | sprintf(str, "%s=%%lu%%c-%%lu%%c", name); | |
1760 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1761 | *s *= get_mult(s1); | |
1762 | *e *= get_mult(s2); | |
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | sprintf(str, "%s = %%lu%%c-%%lu%%c", name); | |
1767 | if (sscanf(p, str, s, &s1, e, &s2) == 4) { | |
1768 | *s *= get_mult(s1); | |
1769 | *e *= get_mult(s2); | |
1770 | return 0; | |
1771 | } | |
1772 | ||
1773 | sprintf(str, "%s=%%lu-%%lu", name); | |
1774 | if (sscanf(p, str, s, e) == 2) | |
1775 | return 0; | |
1776 | ||
1777 | sprintf(str, "%s = %%lu-%%lu", name); | |
1778 | if (sscanf(p, str, s, e) == 2) | |
1779 | return 0; | |
1780 | ||
1781 | return 1; | |
1782 | ||
1783 | } | |
1784 | ||
5c24b2c4 | 1785 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1786 | { |
1787 | char str[128]; | |
1788 | ||
1789 | sprintf(str, "%s=%%d", name); | |
1790 | if (sscanf(p, str, val) == 1) | |
1791 | return 0; | |
1792 | ||
1793 | sprintf(str, "%s = %%d", name); | |
1794 | if (sscanf(p, str, val) == 1) | |
1795 | return 0; | |
1796 | ||
1797 | return 1; | |
1798 | } | |
1799 | ||
7292613b | 1800 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1801 | { |
1802 | unsigned int i; | |
1803 | ||
7292613b | 1804 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1805 | if (line[i] == ';') |
47d45203 JA |
1806 | return 1; |
1807 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
1808 | return 0; |
1809 | } | |
7dd1389e JA |
1810 | |
1811 | return 1; | |
1812 | } | |
1813 | ||
5c24b2c4 | 1814 | static int parse_jobs_ini(char *file) |
7dd1389e | 1815 | { |
47d45203 | 1816 | unsigned int prioclass, prio, cpu, global; |
8c033f93 | 1817 | unsigned long long ull; |
7889f07b | 1818 | unsigned long ul1, ul2; |
f737299d | 1819 | struct thread_data *td; |
7dd1389e JA |
1820 | char *string, *name; |
1821 | fpos_t off; | |
1822 | FILE *f; | |
1823 | char *p; | |
1824 | ||
1825 | f = fopen(file, "r"); | |
1826 | if (!f) { | |
1827 | perror("fopen"); | |
4240cfa1 | 1828 | return 1; |
7dd1389e JA |
1829 | } |
1830 | ||
1831 | string = malloc(4096); | |
1832 | name = malloc(256); | |
1833 | ||
7dd1389e | 1834 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
1835 | if (is_empty_or_comment(p)) |
1836 | continue; | |
7dd1389e JA |
1837 | if (sscanf(p, "[%s]", name) != 1) |
1838 | continue; | |
1839 | ||
47d45203 JA |
1840 | global = !strncmp(name, "global", 6); |
1841 | ||
7dd1389e JA |
1842 | name[strlen(name) - 1] = '\0'; |
1843 | ||
47d45203 | 1844 | td = get_new_job(global); |
4240cfa1 JA |
1845 | if (!td) |
1846 | break; | |
f737299d | 1847 | |
7dd1389e | 1848 | prioclass = 2; |
f737299d | 1849 | prio = 4; |
7dd1389e JA |
1850 | |
1851 | fgetpos(f, &off); | |
1852 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 1853 | if (is_empty_or_comment(p)) |
e6402082 JA |
1854 | continue; |
1855 | if (strstr(p, "[")) | |
7dd1389e | 1856 | break; |
f737299d | 1857 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
1858 | fgetpos(f, &off); |
1859 | continue; | |
1860 | } | |
1861 | if (!check_int(p, "prio", &prio)) { | |
1862 | fgetpos(f, &off); | |
1863 | continue; | |
1864 | } | |
1865 | if (!check_int(p, "prioclass", &prioclass)) { | |
1866 | fgetpos(f, &off); | |
1867 | continue; | |
1868 | } | |
f737299d | 1869 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
1870 | fgetpos(f, &off); |
1871 | continue; | |
1872 | } | |
f737299d | 1873 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
1874 | fgetpos(f, &off); |
1875 | continue; | |
1876 | } | |
4240cfa1 JA |
1877 | if (!check_int(p, "ratemin", &td->ratemin)) { |
1878 | fgetpos(f, &off); | |
1879 | continue; | |
1880 | } | |
1881 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
1882 | fgetpos(f, &off); | |
1883 | continue; | |
1884 | } | |
e97712ed | 1885 | if (!check_int(p, "thinktime", &td->thinktime)) { |
7dd1389e JA |
1886 | fgetpos(f, &off); |
1887 | continue; | |
1888 | } | |
18e0b78c | 1889 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 1890 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1891 | fgetpos(f, &off); |
1892 | continue; | |
1893 | } | |
4240cfa1 JA |
1894 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
1895 | fgetpos(f, &off); | |
1896 | continue; | |
1897 | } | |
fc24389f JA |
1898 | if (!check_int(p, "startdelay", &td->start_delay)) { |
1899 | fgetpos(f, &off); | |
1900 | continue; | |
1901 | } | |
67903a2e JA |
1902 | if (!check_int(p, "timeout", &td->timeout)) { |
1903 | fgetpos(f, &off); | |
1904 | continue; | |
1905 | } | |
b95799ca JA |
1906 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
1907 | fgetpos(f, &off); | |
1908 | continue; | |
1909 | } | |
43000118 JA |
1910 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
1911 | fgetpos(f, &off); | |
1912 | continue; | |
1913 | } | |
74b4b5fb JA |
1914 | if (!check_int(p, "sync", &td->sync_io)) { |
1915 | fgetpos(f, &off); | |
1916 | continue; | |
1917 | } | |
1d035750 JA |
1918 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
1919 | fgetpos(f, &off); | |
1920 | continue; | |
1921 | } | |
fc097bfe JA |
1922 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
1923 | fgetpos(f, &off); | |
1924 | continue; | |
1925 | } | |
1926 | if (!check_int(p, "create_fsync", &td->create_fsync)) { | |
1927 | fgetpos(f, &off); | |
1928 | continue; | |
1929 | } | |
b6794fbf JA |
1930 | if (!check_int(p, "loops", &td->loops)) { |
1931 | fgetpos(f, &off); | |
1932 | continue; | |
1933 | } | |
e8457004 JA |
1934 | if (!check_int(p, "verify", &td->verify)) { |
1935 | fgetpos(f, &off); | |
1936 | continue; | |
1937 | } | |
7889f07b JA |
1938 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
1939 | td->min_bs = ul1; | |
1940 | td->max_bs = ul2; | |
1941 | fgetpos(f, &off); | |
1942 | continue; | |
1943 | } | |
8c033f93 JA |
1944 | if (!check_strcnv(p, "bs", &ull)) { |
1945 | td->bs = ull; | |
1946 | fgetpos(f, &off); | |
1947 | continue; | |
1948 | } | |
02983297 JA |
1949 | if (!check_strcnv(p, "size", &td->file_size)) { |
1950 | fgetpos(f, &off); | |
1951 | continue; | |
1952 | } | |
1953 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
1954 | fgetpos(f, &off); | |
1955 | continue; | |
1956 | } | |
99c6704f | 1957 | if (!check_str(p, "mem", "malloc")) { |
99c6704f JA |
1958 | td->mem_type = MEM_MALLOC; |
1959 | fgetpos(f, &off); | |
1960 | continue; | |
1961 | } | |
1962 | if (!check_str(p, "mem", "shm")) { | |
99c6704f JA |
1963 | td->mem_type = MEM_SHM; |
1964 | fgetpos(f, &off); | |
1965 | continue; | |
1966 | } | |
43000118 | 1967 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 1968 | td->sequential = 1; |
7dd1389e JA |
1969 | fgetpos(f, &off); |
1970 | continue; | |
1971 | } | |
43000118 | 1972 | if (!strncmp(p, "random", 6)) { |
f737299d | 1973 | td->sequential = 0; |
7dd1389e JA |
1974 | fgetpos(f, &off); |
1975 | continue; | |
1976 | } | |
43000118 JA |
1977 | if (!strncmp(p, "aio", 3)) { |
1978 | td->use_aio = 1; | |
1979 | fgetpos(f, &off); | |
1980 | continue; | |
1981 | } | |
02983297 JA |
1982 | if (!strncmp(p, "create", 6)) { |
1983 | td->create_file = 1; | |
1984 | fgetpos(f, &off); | |
1985 | continue; | |
1986 | } | |
1987 | if (!strncmp(p, "overwrite", 9)) { | |
1988 | td->overwrite = 1; | |
1989 | fgetpos(f, &off); | |
1990 | continue; | |
1991 | } | |
98dd52d6 JA |
1992 | if (!strncmp(p, "exitall", 7)) { |
1993 | exitall_on_terminate = 1; | |
1994 | fgetpos(f, &off); | |
1995 | continue; | |
1996 | } | |
e6402082 | 1997 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
1998 | } |
1999 | fsetpos(f, &off); | |
2000 | ||
4240cfa1 JA |
2001 | if (add_job(td, name, prioclass, prio)) |
2002 | put_job(td); | |
7dd1389e JA |
2003 | } |
2004 | ||
2005 | free(string); | |
2006 | free(name); | |
fc7d63df | 2007 | fclose(f); |
4240cfa1 | 2008 | return 0; |
7dd1389e JA |
2009 | } |
2010 | ||
5c24b2c4 | 2011 | static int parse_options(int argc, char *argv[]) |
892199bd | 2012 | { |
01c4d8de | 2013 | int i; |
892199bd JA |
2014 | |
2015 | for (i = 1; i < argc; i++) { | |
2016 | char *parm = argv[i]; | |
2017 | ||
2018 | if (parm[0] != '-') | |
2019 | break; | |
2020 | ||
2021 | parm++; | |
2022 | switch (*parm) { | |
2023 | case 's': | |
2024 | parm++; | |
47d45203 | 2025 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
2026 | break; |
2027 | case 'b': | |
2028 | parm++; | |
47d45203 JA |
2029 | def_thread.bs = atoi(parm); |
2030 | def_thread.bs <<= 10; | |
2031 | if (!def_thread.bs) { | |
4240cfa1 | 2032 | printf("bad block size\n"); |
47d45203 | 2033 | def_thread.bs = DEF_BS; |
4240cfa1 | 2034 | } |
892199bd JA |
2035 | break; |
2036 | case 't': | |
2037 | parm++; | |
47d45203 | 2038 | def_thread.timeout = atoi(parm); |
892199bd | 2039 | break; |
892199bd JA |
2040 | case 'r': |
2041 | parm++; | |
2042 | repeatable = !!atoi(parm); | |
2043 | break; | |
02bdd9ba JA |
2044 | case 'R': |
2045 | parm++; | |
2046 | rate_quit = !!atoi(parm); | |
2047 | break; | |
892199bd JA |
2048 | case 'o': |
2049 | parm++; | |
47d45203 | 2050 | def_thread.odirect = !!atoi(parm); |
892199bd | 2051 | break; |
7dd1389e JA |
2052 | case 'f': |
2053 | if (i + 1 >= argc) { | |
2054 | printf("-f needs file as arg\n"); | |
2055 | break; | |
2056 | } | |
2057 | ini_file = strdup(argv[i+1]); | |
a642279f | 2058 | i++; |
7dd1389e | 2059 | break; |
a0a9b35b JA |
2060 | case 'l': |
2061 | write_lat_log = 1; | |
2062 | break; | |
2063 | case 'w': | |
2064 | write_bw_log = 1; | |
2065 | break; | |
892199bd | 2066 | default: |
7dd1389e | 2067 | printf("bad option %s\n", argv[i]); |
892199bd JA |
2068 | break; |
2069 | } | |
2070 | } | |
2071 | ||
892199bd JA |
2072 | return i; |
2073 | } | |
2074 | ||
3f39453a | 2075 | static void print_thread_status(struct thread_data *td, int nr_running, |
8dbff0b1 | 2076 | int t_rate, int m_rate) |
3f39453a | 2077 | { |
3f39453a JA |
2078 | printf("Threads now running: %d", nr_running); |
2079 | if (m_rate || t_rate) | |
2080 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
8dbff0b1 JA |
2081 | printf(" : [%s]\r", run_str); |
2082 | fflush(stdout); | |
3f39453a JA |
2083 | } |
2084 | ||
40ef7f64 JA |
2085 | static void check_str_update(struct thread_data *td, int n, int t, int m) |
2086 | { | |
2087 | char c = run_str[td->thread_number - 1]; | |
2088 | ||
2089 | if (td->runstate == td->old_runstate) | |
2090 | return; | |
2091 | ||
2092 | switch (td->runstate) { | |
2093 | case TD_REAPED: | |
2094 | c = '_'; | |
2095 | break; | |
f4bb2243 JA |
2096 | case TD_EXITED: |
2097 | c = 'E'; | |
2098 | break; | |
40ef7f64 JA |
2099 | case TD_RUNNING: |
2100 | c = '+'; | |
2101 | break; | |
2102 | case TD_VERIFYING: | |
2103 | c = 'V'; | |
2104 | break; | |
2105 | case TD_CREATED: | |
2106 | c = 'C'; | |
2107 | break; | |
2108 | case TD_NOT_CREATED: | |
2109 | c = 'P'; | |
2110 | break; | |
2111 | default: | |
2112 | printf("state %d\n", td->runstate); | |
2113 | } | |
2114 | ||
2115 | run_str[td->thread_number - 1] = c; | |
2116 | print_thread_status(td, n, t, m); | |
2117 | td->old_runstate = td->runstate; | |
2118 | } | |
2119 | ||
213b446c | 2120 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 2121 | { |
213b446c | 2122 | int i; |
02bdd9ba | 2123 | |
3f39453a JA |
2124 | /* |
2125 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2126 | */ | |
02bdd9ba JA |
2127 | for (i = 0; i < thread_number; i++) { |
2128 | struct thread_data *td = &threads[i]; | |
2129 | ||
40ef7f64 JA |
2130 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
2131 | ||
213b446c JA |
2132 | if (td->runstate != TD_EXITED) |
2133 | continue; | |
02bdd9ba | 2134 | |
40ef7f64 | 2135 | td_set_runstate(td, TD_REAPED); |
213b446c JA |
2136 | waitpid(td->pid, NULL, 0); |
2137 | (*nr_running)--; | |
2138 | (*m_rate) -= td->ratemin; | |
2139 | (*t_rate) -= td->rate; | |
40ef7f64 | 2140 | check_str_update(td, *nr_running, *t_rate, *m_rate); |
e6402082 JA |
2141 | |
2142 | if (td->terminate) | |
2143 | continue; | |
213b446c | 2144 | } |
02bdd9ba JA |
2145 | } |
2146 | ||
fc24389f JA |
2147 | static void run_threads(char *argv[]) |
2148 | { | |
be33abe4 | 2149 | struct timeval genesis; |
fc24389f JA |
2150 | struct thread_data *td; |
2151 | unsigned long spent; | |
213b446c | 2152 | int i, todo, nr_running, m_rate, t_rate; |
fc24389f | 2153 | |
fc24389f JA |
2154 | printf("Starting %d threads\n", thread_number); |
2155 | fflush(stdout); | |
2156 | ||
7292613b JA |
2157 | signal(SIGINT, sig_handler); |
2158 | ||
fc24389f | 2159 | todo = thread_number; |
02bdd9ba | 2160 | nr_running = 0; |
213b446c | 2161 | m_rate = t_rate = 0; |
fc24389f | 2162 | |
8bdcfab5 JA |
2163 | for (i = 0; i < thread_number; i++) { |
2164 | td = &threads[i]; | |
2165 | ||
fc097bfe JA |
2166 | if (!td->create_serialize) |
2167 | continue; | |
2168 | ||
8bdcfab5 JA |
2169 | /* |
2170 | * do file setup here so it happens sequentially, | |
2171 | * we don't want X number of threads getting their | |
2172 | * client data interspersed on disk | |
2173 | */ | |
2174 | if (setup_file(td)) { | |
40ef7f64 | 2175 | td_set_runstate(td, TD_REAPED); |
8bdcfab5 JA |
2176 | todo--; |
2177 | } | |
2178 | } | |
2179 | ||
2180 | gettimeofday(&genesis, NULL); | |
2181 | ||
213b446c | 2182 | while (todo) { |
3f39453a JA |
2183 | /* |
2184 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2185 | */ | |
fc24389f JA |
2186 | for (i = 0; i < thread_number; i++) { |
2187 | td = &threads[i]; | |
2188 | ||
02bdd9ba | 2189 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
2190 | continue; |
2191 | ||
213b446c JA |
2192 | /* |
2193 | * never got a chance to start, killed by other | |
2194 | * thread for some reason | |
2195 | */ | |
2196 | if (td->terminate) { | |
2197 | todo--; | |
2198 | continue; | |
2199 | } | |
2200 | ||
fc24389f | 2201 | if (td->start_delay) { |
be33abe4 | 2202 | spent = mtime_since_now(&genesis); |
fc24389f JA |
2203 | |
2204 | if (td->start_delay * 1000 > spent) | |
2205 | continue; | |
2206 | } | |
2207 | ||
40ef7f64 JA |
2208 | td_set_runstate(td, TD_CREATED); |
2209 | check_str_update(td, nr_running, t_rate, m_rate); | |
fc24389f JA |
2210 | sem_init(&startup_sem, 1, 1); |
2211 | todo--; | |
2212 | ||
2213 | if (fork()) | |
2214 | sem_wait(&startup_sem); | |
2215 | else { | |
2216 | thread_main(shm_id, i, argv); | |
2217 | exit(0); | |
2218 | } | |
2219 | } | |
2220 | ||
3f39453a | 2221 | /* |
e8457004 | 2222 | * start created threads (TD_CREATED -> TD_RUNNING) |
3f39453a | 2223 | */ |
fc24389f JA |
2224 | for (i = 0; i < thread_number; i++) { |
2225 | struct thread_data *td = &threads[i]; | |
2226 | ||
3f39453a JA |
2227 | if (td->runstate != TD_CREATED) |
2228 | continue; | |
2229 | ||
40ef7f64 | 2230 | td_set_runstate(td, TD_RUNNING); |
3f39453a JA |
2231 | nr_running++; |
2232 | m_rate += td->ratemin; | |
2233 | t_rate += td->rate; | |
40ef7f64 | 2234 | check_str_update(td, nr_running, t_rate, m_rate); |
3f39453a | 2235 | sem_post(&td->mutex); |
fc24389f JA |
2236 | } |
2237 | ||
e8457004 JA |
2238 | for (i = 0; i < thread_number; i++) { |
2239 | struct thread_data *td = &threads[i]; | |
2240 | ||
2241 | if (td->runstate == TD_RUNNING) | |
2242 | run_str[td->thread_number - 1] = '+'; | |
2243 | else if (td->runstate == TD_VERIFYING) | |
2244 | run_str[td->thread_number - 1] = 'V'; | |
2245 | else | |
2246 | continue; | |
2247 | ||
40ef7f64 | 2248 | check_str_update(td, nr_running, t_rate, m_rate); |
e8457004 JA |
2249 | } |
2250 | ||
213b446c | 2251 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 2252 | |
fc24389f JA |
2253 | if (todo) |
2254 | usleep(100000); | |
2255 | } | |
02bdd9ba JA |
2256 | |
2257 | while (nr_running) { | |
213b446c | 2258 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
2259 | usleep(10000); |
2260 | } | |
fc24389f JA |
2261 | } |
2262 | ||
8867c0a8 | 2263 | int setup_thread_area(void) |
892199bd | 2264 | { |
8867c0a8 JA |
2265 | /* |
2266 | * 1024 is too much on some machines, scale max_jobs if | |
2267 | * we get a failure that looks like too large a shm segment | |
2268 | */ | |
2269 | do { | |
2270 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 2271 | |
8867c0a8 JA |
2272 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
2273 | if (shm_id != -1) | |
2274 | break; | |
2275 | if (errno != EINVAL) { | |
2276 | perror("shmget"); | |
2277 | break; | |
2278 | } | |
2279 | ||
2280 | max_jobs >>= 1; | |
d4fac444 | 2281 | } while (max_jobs); |
8867c0a8 JA |
2282 | |
2283 | if (shm_id == -1) | |
892199bd | 2284 | return 1; |
892199bd JA |
2285 | |
2286 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 2287 | if (threads == (void *) -1) { |
86184d14 JA |
2288 | perror("shmat"); |
2289 | return 1; | |
2290 | } | |
892199bd JA |
2291 | |
2292 | atexit(free_shm); | |
8867c0a8 JA |
2293 | return 0; |
2294 | } | |
2295 | ||
2296 | int main(int argc, char *argv[]) | |
2297 | { | |
8c033f93 | 2298 | static unsigned long max_run[2], min_run[2]; |
57d753e3 | 2299 | static unsigned long max_bw[2], min_bw[2]; |
22334044 | 2300 | static unsigned long io_mb[2], agg[2]; |
8867c0a8 JA |
2301 | int i; |
2302 | ||
2303 | if (setup_thread_area()) | |
2304 | return 1; | |
892199bd | 2305 | |
47d45203 | 2306 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
2307 | perror("sched_getaffinity"); |
2308 | return 1; | |
2309 | } | |
2310 | ||
47d45203 JA |
2311 | /* |
2312 | * fill globals | |
2313 | */ | |
2314 | def_thread.ddir = DDIR_READ; | |
2315 | def_thread.bs = DEF_BS; | |
7889f07b JA |
2316 | def_thread.min_bs = -1; |
2317 | def_thread.max_bs = -1; | |
02983297 | 2318 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 2319 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 2320 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 2321 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
2322 | def_thread.create_file = DEF_CREATE; |
2323 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 2324 | def_thread.invalidate_cache = DEF_INVALIDATE; |
99c6704f JA |
2325 | def_thread.sync_io = DEF_SYNCIO; |
2326 | def_thread.mem_type = MEM_MALLOC; | |
1d035750 | 2327 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
fc097bfe JA |
2328 | def_thread.create_serialize = DEF_CREATE_SER; |
2329 | def_thread.create_fsync = DEF_CREATE_FSYNC; | |
b6794fbf | 2330 | def_thread.loops = DEF_LOOPS; |
cfc702bd | 2331 | def_thread.verify = DEF_VERIFY; |
47d45203 | 2332 | |
892199bd | 2333 | i = parse_options(argc, argv); |
7dd1389e | 2334 | |
5961d92c JA |
2335 | if (!ini_file) { |
2336 | printf("Need job file\n"); | |
2337 | return 1; | |
2338 | } | |
2339 | ||
2340 | if (parse_jobs_ini(ini_file)) | |
2341 | return 1; | |
7dd1389e | 2342 | |
4240cfa1 JA |
2343 | if (!thread_number) { |
2344 | printf("Nothing to do\n"); | |
2345 | return 1; | |
2346 | } | |
7dd1389e | 2347 | |
fc24389f | 2348 | run_threads(argv); |
892199bd | 2349 | |
892199bd JA |
2350 | min_bw[0] = min_run[0] = ~0UL; |
2351 | min_bw[1] = min_run[1] = ~0UL; | |
22334044 JA |
2352 | io_mb[0] = io_mb[1] = 0; |
2353 | agg[0] = agg[1] = 0; | |
892199bd JA |
2354 | for (i = 0; i < thread_number; i++) { |
2355 | struct thread_data *td = &threads[i]; | |
2356 | unsigned long bw = 0; | |
2357 | ||
22334044 JA |
2358 | if (!td->error) { |
2359 | if (td->runtime < min_run[td->ddir]) | |
2360 | min_run[td->ddir] = td->runtime; | |
2361 | if (td->runtime > max_run[td->ddir]) | |
2362 | max_run[td->ddir] = td->runtime; | |
892199bd | 2363 | |
892199bd | 2364 | if (td->runtime) |
22334044 JA |
2365 | bw = td->io_kb * 1024 / td->runtime; |
2366 | if (bw < min_bw[td->ddir]) | |
2367 | min_bw[td->ddir] = bw; | |
2368 | if (bw > max_bw[td->ddir]) | |
2369 | max_bw[td->ddir] = bw; | |
2370 | ||
2371 | io_mb[td->ddir] += td->io_kb >> 10; | |
892199bd JA |
2372 | } |
2373 | ||
2374 | show_thread_status(td); | |
2375 | } | |
22334044 JA |
2376 | |
2377 | if (max_run[0]) | |
2378 | agg[0] = io_mb[0] * 1024 * 1000 / max_run[0]; | |
2379 | if (max_run[1]) | |
2380 | agg[1] = io_mb[1] * 1024 * 1000 / max_run[1]; | |
2381 | ||
57d753e3 | 2382 | printf("\nRun status:\n"); |
892199bd | 2383 | if (max_run[DDIR_READ]) |
22334044 | 2384 | 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 | 2385 | if (max_run[DDIR_WRITE]) |
22334044 | 2386 | 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 | 2387 | |
892199bd JA |
2388 | return 0; |
2389 | } |