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