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) |
4240cfa1 JA |
128 | |
129 | #define ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK)) | |
892199bd | 130 | |
4240cfa1 | 131 | static int repeatable = DEF_RAND_REPEAT; |
02bdd9ba | 132 | static int rate_quit = 1; |
892199bd | 133 | |
892199bd | 134 | static int thread_number; |
7dd1389e | 135 | static char *ini_file; |
892199bd | 136 | |
8867c0a8 JA |
137 | static int max_jobs = MAX_JOBS; |
138 | ||
892199bd JA |
139 | static int shm_id; |
140 | ||
4240cfa1 JA |
141 | enum { |
142 | DDIR_READ = 0, | |
143 | DDIR_WRITE, | |
144 | }; | |
892199bd | 145 | |
02bdd9ba JA |
146 | /* |
147 | * thread life cycle | |
148 | */ | |
149 | enum { | |
150 | TD_NOT_CREATED = 0, | |
151 | TD_CREATED, | |
152 | TD_STARTED, | |
153 | TD_EXITED, | |
154 | TD_REAPED, | |
155 | }; | |
156 | ||
2c83567e JA |
157 | /* |
158 | * The io unit | |
159 | */ | |
160 | struct io_u { | |
161 | struct iocb iocb; | |
162 | struct timeval issue_time; | |
163 | ||
164 | void *mem; | |
165 | char *buf; | |
166 | unsigned int buflen; | |
167 | off_t offset; | |
168 | ||
169 | struct list_head list; | |
170 | }; | |
171 | ||
02983297 JA |
172 | #define td_read(td) ((td)->ddir == DDIR_READ) |
173 | #define should_fsync(td) (!td_read(td) && !(td)->odirect) | |
174 | ||
892199bd JA |
175 | struct thread_data { |
176 | char file_name[256]; | |
177 | int thread_number; | |
178 | int error; | |
179 | int fd; | |
892199bd | 180 | pid_t pid; |
4240cfa1 | 181 | volatile int terminate; |
02bdd9ba | 182 | volatile int runstate; |
f737299d JA |
183 | unsigned int ddir; |
184 | unsigned int ioprio; | |
185 | unsigned int sequential; | |
186 | unsigned int bs; | |
187 | unsigned int odirect; | |
188 | unsigned int delay_sleep; | |
4240cfa1 | 189 | unsigned int fsync_blocks; |
fc24389f | 190 | unsigned int start_delay; |
47d45203 | 191 | unsigned int timeout; |
43000118 | 192 | unsigned int use_aio; |
02983297 JA |
193 | unsigned int create_file; |
194 | unsigned int overwrite; | |
b95799ca | 195 | unsigned int invalidate_cache; |
02983297 JA |
196 | unsigned long long file_size; |
197 | unsigned long long file_offset; | |
18e0b78c | 198 | cpu_set_t cpumask; |
86184d14 | 199 | |
63a09e51 JA |
200 | off_t cur_off; |
201 | ||
254605cd | 202 | io_context_t aio_ctx; |
43000118 | 203 | unsigned int aio_depth; |
43000118 | 204 | struct io_event *aio_events; |
2c83567e JA |
205 | |
206 | unsigned int cur_depth; | |
207 | struct list_head io_u_freelist; | |
208 | struct list_head io_u_busylist; | |
43000118 | 209 | |
7dd1389e | 210 | unsigned int rate; |
4240cfa1 JA |
211 | unsigned int ratemin; |
212 | unsigned int ratecycle; | |
213 | unsigned long rate_usec_cycle; | |
214 | long rate_pending_usleep; | |
215 | unsigned long rate_blocks; | |
216 | struct timeval lastrate; | |
86184d14 | 217 | |
892199bd JA |
218 | unsigned long max_latency; /* msec */ |
219 | unsigned long min_latency; /* msec */ | |
220 | unsigned long runtime; /* sec */ | |
221 | unsigned long blocks; | |
4240cfa1 | 222 | unsigned long io_blocks; |
892199bd JA |
223 | unsigned long last_block; |
224 | sem_t mutex; | |
892199bd JA |
225 | struct drand48_data random_state; |
226 | ||
227 | /* | |
e128065d | 228 | * bandwidth and latency stats |
892199bd JA |
229 | */ |
230 | unsigned long stat_time; | |
e128065d | 231 | unsigned long stat_time_sq; |
fd1ae4c9 JA |
232 | unsigned long stat_time_samples; |
233 | unsigned long stat_io_blocks; | |
234 | unsigned long stat_bw; | |
235 | unsigned long stat_bw_sq; | |
236 | unsigned long stat_bw_samples; | |
237 | struct timeval stat_sample_time; | |
4240cfa1 JA |
238 | |
239 | struct timeval start; | |
892199bd JA |
240 | }; |
241 | ||
242 | static struct thread_data *threads; | |
47d45203 | 243 | static struct thread_data def_thread; |
892199bd JA |
244 | |
245 | static sem_t startup_sem; | |
246 | ||
5c24b2c4 | 247 | static void sig_handler(int sig) |
892199bd JA |
248 | { |
249 | int i; | |
250 | ||
213b446c JA |
251 | for (i = 0; i < thread_number; i++) { |
252 | struct thread_data *td = &threads[i]; | |
253 | ||
254 | td->terminate = 1; | |
255 | td->start_delay = 0; | |
256 | } | |
02bdd9ba JA |
257 | } |
258 | ||
5c24b2c4 | 259 | static int init_random_state(struct thread_data *td) |
892199bd JA |
260 | { |
261 | unsigned long seed = 123; | |
262 | ||
263 | if (td->sequential) | |
264 | return 0; | |
265 | ||
266 | if (!repeatable) { | |
267 | int fd = open("/dev/random", O_RDONLY); | |
268 | ||
269 | if (fd == -1) { | |
270 | td->error = errno; | |
271 | return 1; | |
272 | } | |
273 | ||
7dd1389e | 274 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
892199bd JA |
275 | td->error = EIO; |
276 | close(fd); | |
277 | return 1; | |
278 | } | |
279 | ||
280 | close(fd); | |
281 | } | |
282 | ||
283 | srand48_r(seed, &td->random_state); | |
284 | return 0; | |
285 | } | |
286 | ||
5c24b2c4 | 287 | static unsigned long utime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
288 | { |
289 | double sec, usec; | |
290 | ||
291 | sec = e->tv_sec - s->tv_sec; | |
292 | usec = e->tv_usec - s->tv_usec; | |
293 | if (sec > 0 && usec < 0) { | |
294 | sec--; | |
295 | usec += 1000000; | |
296 | } | |
297 | ||
298 | sec *= (double) 1000000; | |
299 | ||
300 | return sec + usec; | |
301 | } | |
302 | ||
5c24b2c4 | 303 | static unsigned long mtime_since(struct timeval *s, struct timeval *e) |
892199bd JA |
304 | { |
305 | double sec, usec; | |
306 | ||
307 | sec = e->tv_sec - s->tv_sec; | |
308 | usec = e->tv_usec - s->tv_usec; | |
309 | if (sec > 0 && usec < 0) { | |
310 | sec--; | |
311 | usec += 1000000; | |
312 | } | |
313 | ||
314 | sec *= (double) 1000; | |
315 | usec /= (double) 1000; | |
316 | ||
317 | return sec + usec; | |
318 | } | |
319 | ||
be33abe4 JA |
320 | static unsigned long mtime_since_now(struct timeval *s) |
321 | { | |
322 | struct timeval t; | |
323 | ||
324 | gettimeofday(&t, NULL); | |
325 | return mtime_since(s, &t); | |
326 | } | |
327 | ||
98168d55 JA |
328 | static inline unsigned long msec_now(struct timeval *s) |
329 | { | |
330 | return s->tv_sec * 1000 + s->tv_usec / 1000; | |
331 | } | |
332 | ||
5c24b2c4 | 333 | static unsigned long get_next_offset(struct thread_data *td) |
892199bd JA |
334 | { |
335 | unsigned long b; | |
336 | long r; | |
337 | ||
338 | if (!td->sequential) { | |
339 | lrand48_r(&td->random_state, &r); | |
340 | b = (1+(double) (td->blocks-1) * r / (RAND_MAX+1.0)); | |
341 | } else { | |
342 | b = td->last_block; | |
343 | td->last_block++; | |
344 | } | |
345 | ||
02983297 | 346 | return b * td->bs + td->file_offset; |
892199bd JA |
347 | } |
348 | ||
5c24b2c4 | 349 | static void add_stat_sample(struct thread_data *td, unsigned long msec) |
892199bd | 350 | { |
fd1ae4c9 JA |
351 | unsigned long spent; |
352 | ||
892199bd | 353 | td->stat_time += msec; |
e128065d | 354 | td->stat_time_sq += msec * msec; |
fd1ae4c9 JA |
355 | td->stat_time_samples++; |
356 | ||
357 | spent = mtime_since_now(&td->stat_sample_time); | |
358 | if (spent >= 500) { | |
359 | unsigned long rate = ((td->io_blocks - td->stat_io_blocks) * td->bs) / spent; | |
360 | ||
361 | td->stat_bw += rate; | |
362 | td->stat_bw_sq += rate * rate; | |
363 | gettimeofday(&td->stat_sample_time, NULL); | |
364 | td->stat_io_blocks = td->io_blocks; | |
365 | td->stat_bw_samples++; | |
366 | } | |
892199bd JA |
367 | } |
368 | ||
5c24b2c4 | 369 | static void usec_sleep(int usec) |
892199bd | 370 | { |
86184d14 JA |
371 | struct timespec req = { .tv_sec = 0, .tv_nsec = usec * 1000 }; |
372 | struct timespec rem; | |
892199bd JA |
373 | |
374 | do { | |
86184d14 JA |
375 | rem.tv_sec = rem.tv_nsec = 0; |
376 | nanosleep(&req, &rem); | |
377 | if (!rem.tv_nsec) | |
892199bd | 378 | break; |
86184d14 JA |
379 | |
380 | req.tv_nsec = rem.tv_nsec; | |
892199bd JA |
381 | } while (1); |
382 | } | |
383 | ||
5c24b2c4 | 384 | static void rate_throttle(struct thread_data *td, unsigned long time_spent) |
86184d14 | 385 | { |
4240cfa1 JA |
386 | if (!td->rate) |
387 | return; | |
388 | ||
86184d14 JA |
389 | if (time_spent < td->rate_usec_cycle) { |
390 | unsigned long s = td->rate_usec_cycle - time_spent; | |
391 | ||
392 | td->rate_pending_usleep += s; | |
fad86e6a | 393 | if (td->rate_pending_usleep >= 100000) { |
86184d14 JA |
394 | usec_sleep(td->rate_pending_usleep); |
395 | td->rate_pending_usleep = 0; | |
396 | } | |
4240cfa1 | 397 | } else { |
42b2b9fe JA |
398 | long overtime = time_spent - td->rate_usec_cycle; |
399 | ||
4240cfa1 JA |
400 | td->rate_pending_usleep -= overtime; |
401 | } | |
402 | } | |
403 | ||
5c24b2c4 | 404 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
4240cfa1 | 405 | { |
7607bc6b | 406 | unsigned long spent; |
4240cfa1 JA |
407 | unsigned long rate; |
408 | ||
409 | /* | |
410 | * allow a 2 second settle period in the beginning | |
411 | */ | |
7607bc6b | 412 | if (mtime_since(&td->start, now) < 2000) |
4240cfa1 JA |
413 | return 0; |
414 | ||
415 | /* | |
416 | * if rate blocks is set, sample is running | |
417 | */ | |
418 | if (td->rate_blocks) { | |
419 | spent = mtime_since(&td->lastrate, now); | |
420 | if (spent < td->ratecycle) | |
421 | return 0; | |
422 | ||
423 | rate = ((td->io_blocks - td->rate_blocks) * td->bs) / spent; | |
424 | if (rate < td->ratemin) { | |
425 | printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate); | |
02bdd9ba | 426 | if (rate_quit) |
e6402082 | 427 | sig_handler(0); |
4240cfa1 JA |
428 | return 1; |
429 | } | |
86184d14 | 430 | } |
4240cfa1 JA |
431 | |
432 | td->rate_blocks = td->io_blocks; | |
433 | memcpy(&td->lastrate, now, sizeof(*now)); | |
434 | return 0; | |
86184d14 JA |
435 | } |
436 | ||
67903a2e JA |
437 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
438 | { | |
439 | if (mtime_since(&td->start, t) >= td->timeout * 1000) | |
440 | return 1; | |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
2c83567e JA |
445 | static void put_io_u(struct thread_data *td, struct io_u *io_u) |
446 | { | |
447 | list_del(&io_u->list); | |
448 | list_add(&io_u->list, &td->io_u_freelist); | |
449 | td->cur_depth--; | |
450 | } | |
451 | ||
452 | static struct io_u *get_io_u(struct thread_data *td) | |
453 | { | |
454 | struct io_u *io_u; | |
455 | ||
456 | if (list_empty(&td->io_u_freelist)) | |
457 | return NULL; | |
458 | ||
459 | io_u = list_entry(td->io_u_freelist.next, struct io_u, list); | |
460 | list_del(&io_u->list); | |
461 | list_add(&io_u->list, &td->io_u_busylist); | |
462 | ||
463 | io_u->offset = get_next_offset(td); | |
464 | ||
465 | if (td->use_aio) { | |
466 | if (td_read(td)) | |
467 | io_prep_pread(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
468 | else | |
469 | io_prep_pwrite(&io_u->iocb, td->fd, io_u->buf, io_u->buflen, io_u->offset); | |
470 | } | |
471 | ||
472 | gettimeofday(&io_u->issue_time, NULL); | |
473 | td->cur_depth++; | |
474 | return io_u; | |
475 | } | |
476 | ||
43000118 | 477 | static void do_sync_io(struct thread_data *td) |
892199bd | 478 | { |
86184d14 | 479 | unsigned long blocks, msec, usec; |
2c83567e | 480 | struct timeval e; |
892199bd | 481 | |
63a09e51 JA |
482 | td->cur_off = 0; |
483 | ||
892199bd | 484 | for (blocks = 0; blocks < td->blocks; blocks++) { |
2c83567e | 485 | struct io_u *io_u; |
892199bd JA |
486 | int ret; |
487 | ||
488 | if (td->terminate) | |
489 | break; | |
490 | ||
2c83567e JA |
491 | io_u = get_io_u(td); |
492 | ||
63a09e51 JA |
493 | if (td->cur_off != io_u->offset) { |
494 | if (lseek(td->fd, io_u->offset, SEEK_SET) == -1) { | |
495 | td->error = errno; | |
496 | break; | |
497 | } | |
892199bd JA |
498 | } |
499 | ||
500 | if (td->delay_sleep) | |
86184d14 | 501 | usec_sleep(td->delay_sleep); |
892199bd | 502 | |
02983297 | 503 | if (td_read(td)) |
2c83567e | 504 | ret = read(td->fd, io_u->buf, io_u->buflen); |
892199bd | 505 | else |
2c83567e | 506 | ret = write(td->fd, io_u->buf, io_u->buflen); |
892199bd | 507 | |
2c83567e | 508 | if (ret < (int) io_u->buflen) { |
892199bd JA |
509 | if (ret == -1) |
510 | td->error = errno; | |
511 | break; | |
512 | } | |
513 | ||
4240cfa1 | 514 | td->io_blocks++; |
63a09e51 | 515 | td->cur_off = io_u->offset + io_u->buflen; |
4240cfa1 JA |
516 | |
517 | if (should_fsync(td) && td->fsync_blocks && | |
518 | (td->io_blocks % td->fsync_blocks) == 0) | |
519 | fsync(td->fd); | |
520 | ||
86184d14 JA |
521 | gettimeofday(&e, NULL); |
522 | ||
2c83567e | 523 | usec = utime_since(&io_u->issue_time, &e); |
86184d14 | 524 | |
4240cfa1 | 525 | rate_throttle(td, usec); |
892199bd | 526 | |
4240cfa1 JA |
527 | if (check_min_rate(td, &e)) { |
528 | td->error = ENODATA; | |
529 | break; | |
530 | } | |
892199bd | 531 | |
4240cfa1 JA |
532 | msec = usec / 1000; |
533 | add_stat_sample(td, msec); | |
892199bd JA |
534 | |
535 | if (msec < td->min_latency) | |
536 | td->min_latency = msec; | |
537 | if (msec > td->max_latency) | |
538 | td->max_latency = msec; | |
67903a2e JA |
539 | |
540 | if (runtime_exceeded(td, &e)) | |
541 | break; | |
2c83567e JA |
542 | |
543 | put_io_u(td, io_u); | |
892199bd JA |
544 | } |
545 | ||
4240cfa1 | 546 | if (should_fsync(td)) |
892199bd | 547 | fsync(td->fd); |
892199bd | 548 | } |
43000118 | 549 | |
2c83567e | 550 | static int io_u_queue(struct thread_data *td, struct io_u *io_u) |
56b0eff0 | 551 | { |
2c83567e | 552 | struct iocb *iocb = &io_u->iocb; |
56b0eff0 JA |
553 | int ret; |
554 | ||
555 | do { | |
254605cd | 556 | ret = io_submit(td->aio_ctx, 1, &iocb); |
56b0eff0 JA |
557 | if (ret == 1) |
558 | return 0; | |
559 | ||
560 | if (errno == EINTR) | |
561 | continue; | |
562 | else if (errno == EAGAIN) | |
563 | usleep(100); | |
564 | else | |
565 | break; | |
566 | } while (1); | |
567 | ||
568 | return 1; | |
569 | } | |
570 | ||
98168d55 | 571 | #define iocb_time(iocb) ((unsigned long) (iocb)->data) |
2c83567e JA |
572 | #define ev_to_iou(ev) (struct io_u *) ((unsigned long) (ev)->obj) |
573 | ||
574 | static void ios_completed(struct thread_data *td, int nr) | |
575 | { | |
576 | unsigned long msec; | |
577 | struct io_u *io_u; | |
578 | struct timeval e; | |
579 | int i; | |
580 | ||
581 | gettimeofday(&e, NULL); | |
582 | ||
583 | for (i = 0; i < nr; i++) { | |
584 | td->io_blocks++; | |
585 | ||
586 | io_u = ev_to_iou(td->aio_events + i); | |
587 | ||
588 | msec = mtime_since(&io_u->issue_time, &e); | |
589 | ||
590 | add_stat_sample(td, msec); | |
591 | ||
592 | if (msec < td->min_latency) | |
593 | td->min_latency = msec; | |
594 | if (msec > td->max_latency) | |
595 | td->max_latency = msec; | |
596 | ||
597 | put_io_u(td, io_u); | |
598 | } | |
599 | } | |
600 | ||
601 | static void cleanup_pending_aio(struct thread_data *td) | |
602 | { | |
603 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
604 | struct list_head *entry, *n; | |
605 | struct io_u *io_u; | |
606 | int r; | |
607 | ||
608 | /* | |
609 | * get immediately available events, if any | |
610 | */ | |
611 | r = io_getevents(td->aio_ctx, 0, td->cur_depth, td->aio_events, &ts); | |
612 | if (r > 0) | |
613 | ios_completed(td, r); | |
614 | ||
615 | /* | |
616 | * now cancel remaining active events | |
617 | */ | |
618 | list_for_each_safe(entry, n, &td->io_u_busylist) { | |
619 | io_u = list_entry(entry, struct io_u, list); | |
620 | ||
621 | r = io_cancel(td->aio_ctx, &io_u->iocb, td->aio_events); | |
622 | if (!r) | |
623 | put_io_u(td, io_u); | |
624 | } | |
625 | ||
626 | if (td->cur_depth) { | |
627 | r = io_getevents(td->aio_ctx, td->cur_depth, td->cur_depth, td->aio_events, NULL); | |
628 | if (r > 0) | |
629 | ios_completed(td, r); | |
630 | } | |
631 | } | |
98168d55 | 632 | |
43000118 JA |
633 | static void do_async_io(struct thread_data *td) |
634 | { | |
635 | struct timeval s, e; | |
2c83567e | 636 | unsigned long blocks, usec; |
43000118 | 637 | |
43000118 JA |
638 | for (blocks = 0; blocks < td->blocks; blocks++) { |
639 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0}; | |
640 | struct timespec *timeout; | |
2c83567e JA |
641 | int ret, min_evts = 0; |
642 | struct io_u *io_u; | |
43000118 JA |
643 | |
644 | if (td->terminate) | |
645 | break; | |
646 | ||
647 | if (td->delay_sleep) | |
648 | usec_sleep(td->delay_sleep); | |
649 | ||
2c83567e | 650 | io_u = get_io_u(td); |
43000118 | 651 | |
2c83567e | 652 | memcpy(&s, &io_u->issue_time, sizeof(s)); |
8baf1bcc | 653 | |
2c83567e | 654 | ret = io_u_queue(td, io_u); |
56b0eff0 | 655 | if (ret) { |
43000118 JA |
656 | td->error = errno; |
657 | break; | |
658 | } | |
659 | ||
2c83567e | 660 | if (td->cur_depth < td->aio_depth) { |
43000118 JA |
661 | timeout = &ts; |
662 | min_evts = 0; | |
663 | } else { | |
664 | timeout = NULL; | |
665 | min_evts = 1; | |
666 | } | |
667 | ||
2c83567e | 668 | ret = io_getevents(td->aio_ctx, min_evts, td->cur_depth, td->aio_events, timeout); |
43000118 JA |
669 | if (ret < 0) { |
670 | td->error = errno; | |
671 | break; | |
672 | } else if (!ret) | |
673 | continue; | |
674 | ||
2c83567e | 675 | ios_completed(td, ret); |
43000118 | 676 | |
98168d55 JA |
677 | /* |
678 | * the rate is batched for now, it should work for batches | |
679 | * of completions except the very first one which may look | |
680 | * a little bursty | |
681 | */ | |
2c83567e | 682 | gettimeofday(&e, NULL); |
43000118 JA |
683 | usec = utime_since(&s, &e); |
684 | ||
685 | rate_throttle(td, usec); | |
686 | ||
687 | if (check_min_rate(td, &e)) { | |
688 | td->error = ENODATA; | |
689 | break; | |
690 | } | |
67903a2e JA |
691 | |
692 | if (runtime_exceeded(td, &e)) | |
693 | break; | |
43000118 | 694 | } |
56b0eff0 | 695 | |
2c83567e JA |
696 | if (td->cur_depth) |
697 | cleanup_pending_aio(td); | |
56b0eff0 JA |
698 | } |
699 | ||
700 | static void cleanup_aio(struct thread_data *td) | |
701 | { | |
254605cd JA |
702 | io_destroy(td->aio_ctx); |
703 | ||
43000118 JA |
704 | if (td->aio_events) |
705 | free(td->aio_events); | |
43000118 JA |
706 | } |
707 | ||
708 | static int init_aio(struct thread_data *td) | |
709 | { | |
254605cd | 710 | if (io_queue_init(td->aio_depth, &td->aio_ctx)) { |
43000118 JA |
711 | td->error = errno; |
712 | return 1; | |
713 | } | |
714 | ||
43000118 | 715 | td->aio_events = malloc(td->aio_depth * sizeof(struct io_event)); |
43000118 JA |
716 | return 0; |
717 | } | |
718 | ||
2c83567e JA |
719 | static void cleanup_io_u(struct thread_data *td) |
720 | { | |
721 | struct list_head *entry, *n; | |
722 | struct io_u *io_u; | |
723 | ||
724 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
725 | io_u = list_entry(entry, struct io_u, list); | |
726 | ||
727 | list_del(&io_u->list); | |
728 | free(io_u->mem); | |
729 | free(io_u); | |
730 | } | |
731 | } | |
732 | ||
733 | static void init_io_u(struct thread_data *td) | |
734 | { | |
735 | struct io_u *io_u; | |
736 | int i, max_units; | |
737 | ||
738 | if (!td->use_aio) | |
739 | max_units = 1; | |
740 | else | |
741 | max_units = td->aio_depth; | |
742 | ||
743 | INIT_LIST_HEAD(&td->io_u_freelist); | |
744 | INIT_LIST_HEAD(&td->io_u_busylist); | |
745 | ||
746 | for (i = 0; i < max_units; i++) { | |
747 | io_u = malloc(sizeof(*io_u)); | |
748 | memset(io_u, 0, sizeof(*io_u)); | |
749 | INIT_LIST_HEAD(&io_u->list); | |
750 | ||
751 | io_u->mem = malloc(td->bs + MASK); | |
752 | io_u->buf = ALIGN(io_u->mem); | |
753 | io_u->buflen = td->bs; | |
754 | ||
755 | list_add(&io_u->list, &td->io_u_freelist); | |
756 | } | |
757 | } | |
758 | ||
02983297 JA |
759 | static int create_file(struct thread_data *td) |
760 | { | |
761 | unsigned int i; | |
762 | char *b; | |
763 | ||
764 | if (!td->file_size) { | |
765 | fprintf(stderr, "Need size for create\n"); | |
766 | td->error = EINVAL; | |
767 | return 1; | |
768 | } | |
769 | ||
770 | /* | |
771 | * unless specifically asked for overwrite, let normal io extend it | |
772 | */ | |
773 | if (!td_read(td) && !td->overwrite) | |
774 | return 0; | |
775 | ||
776 | td->fd = open(td->file_name, O_WRONLY | O_CREAT | O_TRUNC, 0644); | |
777 | if (td->fd < 0) { | |
778 | td->error = errno; | |
779 | return 1; | |
780 | } | |
781 | ||
782 | td->blocks = td->file_size / td->bs; | |
783 | b = malloc(td->bs); | |
784 | memset(b, 0, td->bs); | |
785 | ||
786 | for (i = 0; i < td->blocks; i++) { | |
787 | int r = write(td->fd, b, td->bs); | |
788 | ||
789 | if (r == td->bs) | |
790 | continue; | |
791 | else { | |
792 | if (r < 0) | |
793 | td->error = errno; | |
794 | else | |
795 | td->error = EIO; | |
796 | ||
797 | break; | |
798 | } | |
799 | } | |
800 | ||
801 | fsync(td->fd); | |
802 | close(td->fd); | |
803 | td->fd = -1; | |
804 | free(b); | |
805 | return 0; | |
806 | } | |
807 | ||
808 | static int file_exists(struct thread_data *td) | |
809 | { | |
810 | struct stat st; | |
811 | ||
812 | if (stat(td->file_name, &st) != -1) | |
813 | return 1; | |
814 | ||
815 | return errno != ENOENT; | |
816 | } | |
817 | ||
818 | static int setup_file(struct thread_data *td) | |
819 | { | |
820 | struct stat st; | |
821 | int flags = 0; | |
822 | ||
823 | if (!file_exists(td)) { | |
824 | if (!td->create_file) { | |
825 | td->error = ENOENT; | |
826 | return 1; | |
827 | } | |
828 | if (create_file(td)) | |
829 | return 1; | |
830 | } | |
831 | ||
832 | if (td->odirect) | |
833 | flags |= O_DIRECT; | |
834 | ||
835 | if (td_read(td)) | |
836 | td->fd = open(td->file_name, flags | O_RDONLY); | |
837 | else { | |
838 | if (!td->overwrite) | |
839 | flags |= O_TRUNC; | |
840 | ||
841 | td->fd = open(td->file_name, flags | O_WRONLY | O_CREAT, 0600); | |
842 | } | |
843 | ||
844 | if (td->fd == -1) { | |
845 | td->error = errno; | |
846 | return 1; | |
847 | } | |
848 | ||
849 | if (td_read(td)) { | |
850 | if (fstat(td->fd, &st) == -1) { | |
851 | td->error = errno; | |
852 | return 1; | |
853 | } | |
854 | ||
855 | if (td->file_size > st.st_size) | |
856 | st.st_size = td->file_size; | |
857 | } else { | |
858 | if (!td->file_size) | |
859 | td->file_size = 1024 * 1024 * 1024; | |
860 | ||
861 | st.st_size = td->file_size; | |
862 | } | |
863 | ||
864 | td->blocks = (st.st_size - td->file_offset) / td->bs; | |
865 | if (!td->blocks) { | |
866 | fprintf(stderr, "Client%d: no io blocks\n", td->thread_number); | |
867 | td->error = EINVAL; | |
868 | return 1; | |
869 | } | |
870 | ||
b95799ca JA |
871 | if (td->invalidate_cache) { |
872 | if (fadvise(td->fd, 0, st.st_size, POSIX_FADV_DONTNEED) < 0) { | |
873 | td->error = errno; | |
874 | return 1; | |
875 | } | |
876 | } | |
877 | ||
02983297 JA |
878 | return 0; |
879 | } | |
880 | ||
5c24b2c4 | 881 | static void *thread_main(int shm_id, int offset, char *argv[]) |
892199bd JA |
882 | { |
883 | struct thread_data *td; | |
02983297 | 884 | int ret = 1; |
2c83567e | 885 | void *data; |
892199bd | 886 | |
7292613b JA |
887 | setsid(); |
888 | ||
892199bd JA |
889 | data = shmat(shm_id, NULL, 0); |
890 | td = data + offset * sizeof(struct thread_data); | |
891 | td->pid = getpid(); | |
892 | ||
2c83567e JA |
893 | init_io_u(td); |
894 | ||
18e0b78c JA |
895 | if (sched_setaffinity(td->pid, sizeof(td->cpumask), &td->cpumask) == -1) { |
896 | td->error = errno; | |
897 | goto err; | |
898 | } | |
899 | ||
a642279f | 900 | printf("Client%d (pid=%u) started\n", td->thread_number, td->pid); |
892199bd | 901 | |
4240cfa1 | 902 | sprintf(argv[0], "fio%d", offset); |
892199bd | 903 | |
43000118 JA |
904 | if (td->use_aio && init_aio(td)) |
905 | goto err; | |
906 | ||
892199bd | 907 | if (init_random_state(td)) |
599002b3 | 908 | goto err; |
892199bd | 909 | |
f737299d | 910 | if (td->ioprio) { |
892199bd JA |
911 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
912 | td->error = errno; | |
599002b3 | 913 | goto err; |
892199bd JA |
914 | } |
915 | } | |
916 | ||
02983297 JA |
917 | if (setup_file(td)) |
918 | goto err; | |
919 | ||
892199bd JA |
920 | sem_post(&startup_sem); |
921 | sem_wait(&td->mutex); | |
43000118 | 922 | |
7292613b JA |
923 | gettimeofday(&td->start, NULL); |
924 | ||
925 | if (td->ratemin) | |
926 | memcpy(&td->lastrate, &td->start, sizeof(td->start)); | |
927 | ||
fd1ae4c9 JA |
928 | memcpy(&td->stat_sample_time, &td->start, sizeof(td->start)); |
929 | ||
e4ed35c3 | 930 | if (!td->use_aio) |
43000118 | 931 | do_sync_io(td); |
e4ed35c3 | 932 | else |
43000118 | 933 | do_async_io(td); |
7292613b | 934 | |
be33abe4 | 935 | td->runtime = mtime_since_now(&td->start); |
892199bd | 936 | ret = 0; |
892199bd | 937 | err: |
43000118 JA |
938 | if (td->use_aio) |
939 | cleanup_aio(td); | |
7292613b JA |
940 | if (td->fd != -1) { |
941 | close(td->fd); | |
942 | td->fd = -1; | |
943 | } | |
2c83567e | 944 | cleanup_io_u(td); |
599002b3 | 945 | if (ret) { |
892199bd | 946 | sem_post(&startup_sem); |
599002b3 JA |
947 | sem_wait(&td->mutex); |
948 | } | |
02bdd9ba | 949 | td->runstate = TD_EXITED; |
4240cfa1 | 950 | shmdt(data); |
892199bd JA |
951 | return NULL; |
952 | } | |
953 | ||
5c24b2c4 | 954 | static void free_shm(void) |
892199bd JA |
955 | { |
956 | shmdt(threads); | |
957 | } | |
958 | ||
5c24b2c4 | 959 | static void show_thread_status(struct thread_data *td) |
892199bd JA |
960 | { |
961 | int prio, prio_class; | |
962 | unsigned long bw = 0; | |
fd1ae4c9 | 963 | double n_lat, n_bw, m_lat, m_bw, dev_lat, dev_bw; |
892199bd | 964 | |
213b446c JA |
965 | if (!td->io_blocks && !td->error) |
966 | return; | |
967 | ||
892199bd | 968 | if (td->runtime) |
4240cfa1 | 969 | bw = (td->io_blocks * td->bs) / td->runtime; |
892199bd JA |
970 | |
971 | prio = td->ioprio & 0xff; | |
972 | prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT; | |
973 | ||
fd1ae4c9 JA |
974 | n_lat = (double) td->stat_time_samples; |
975 | n_bw = (double) td->stat_bw_samples; | |
976 | ||
977 | m_lat = (double) td->stat_time / n_lat; | |
978 | dev_lat = sqrt(((double) td->stat_time_sq - (m_lat * m_lat) / n_lat) / (n_lat - 1)); | |
979 | m_bw = (double) td->stat_bw / n_bw; | |
980 | dev_bw = sqrt(((double) td->stat_bw_sq - (m_bw * m_bw) / n_bw) / (n_bw - 1)); | |
e128065d | 981 | |
a642279f | 982 | printf("Client%d: err=%2d, io=%6luMiB, bw=%6luKiB/sec, latmax=%5lumsec, latavg=%5.02fmsec, latdev=%5.02fmsec, bwavg=%5.02fKiB/sec, bwdev=%5.02fKiB/sec\n", td->thread_number, td->error, td->io_blocks * td->bs >> 20, bw, td->max_latency, m_lat, dev_lat, m_bw, dev_bw); |
892199bd JA |
983 | } |
984 | ||
5c24b2c4 | 985 | static int setup_rate(struct thread_data *td) |
86184d14 | 986 | { |
4240cfa1 JA |
987 | int nr_reads_per_sec; |
988 | ||
989 | if (!td->rate) | |
990 | return 0; | |
991 | ||
992 | if (td->rate < td->ratemin) { | |
993 | fprintf(stderr, "min rate larger than nominal rate\n"); | |
994 | return -1; | |
995 | } | |
86184d14 | 996 | |
4240cfa1 | 997 | nr_reads_per_sec = td->rate * 1024 / td->bs; |
86184d14 JA |
998 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
999 | td->rate_pending_usleep = 0; | |
4240cfa1 | 1000 | return 0; |
86184d14 JA |
1001 | } |
1002 | ||
47d45203 | 1003 | static struct thread_data *get_new_job(int global) |
892199bd | 1004 | { |
4240cfa1 JA |
1005 | struct thread_data *td; |
1006 | ||
47d45203 JA |
1007 | if (global) |
1008 | return &def_thread; | |
8867c0a8 | 1009 | if (thread_number >= max_jobs) |
4240cfa1 JA |
1010 | return NULL; |
1011 | ||
1012 | td = &threads[thread_number++]; | |
fc24389f | 1013 | memset(td, 0, sizeof(*td)); |
892199bd | 1014 | |
e4ed35c3 | 1015 | td->fd = -1; |
86184d14 | 1016 | td->thread_number = thread_number; |
47d45203 JA |
1017 | td->ddir = def_thread.ddir; |
1018 | td->bs = def_thread.bs; | |
1019 | td->odirect = def_thread.odirect; | |
1020 | td->ratecycle = def_thread.ratecycle; | |
1021 | td->sequential = def_thread.sequential; | |
67903a2e | 1022 | td->timeout = def_thread.timeout; |
02983297 JA |
1023 | td->create_file = def_thread.create_file; |
1024 | td->overwrite = def_thread.overwrite; | |
b95799ca | 1025 | td->invalidate_cache = def_thread.invalidate_cache; |
47d45203 | 1026 | memcpy(&td->cpumask, &def_thread.cpumask, sizeof(td->cpumask)); |
f737299d JA |
1027 | |
1028 | return td; | |
1029 | } | |
1030 | ||
4240cfa1 JA |
1031 | static void put_job(struct thread_data *td) |
1032 | { | |
1033 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); | |
1034 | thread_number--; | |
1035 | } | |
1036 | ||
5c24b2c4 JA |
1037 | static int add_job(struct thread_data *td, const char *filename, int prioclass, |
1038 | int prio) | |
f737299d | 1039 | { |
47d45203 JA |
1040 | if (td == &def_thread) |
1041 | return 0; | |
1042 | ||
f737299d | 1043 | strcpy(td->file_name, filename); |
4240cfa1 | 1044 | sem_init(&td->mutex, 1, 0); |
892199bd | 1045 | td->min_latency = 10000000; |
f737299d JA |
1046 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
1047 | ||
ed797f6e JA |
1048 | if (td->use_aio) { |
1049 | if (!td->aio_depth) | |
1050 | td->aio_depth = 1; | |
1051 | ||
1052 | /* | |
1053 | * no buffered aio support for now | |
1054 | */ | |
1055 | if (!td->odirect) | |
1056 | td->odirect = 1; | |
1057 | } | |
43000118 | 1058 | |
4240cfa1 JA |
1059 | if (setup_rate(td)) |
1060 | return -1; | |
f737299d | 1061 | |
e128065d | 1062 | printf("Client%d: file=%s, rw=%d, prio=%d/%d, seq=%d, odir=%d, bs=%d, rate=%d, aio=%d, aio_depth=%d\n", td->thread_number, filename, td->ddir, prioclass, prio, td->sequential, td->odirect, td->bs, td->rate, td->use_aio, td->aio_depth); |
4240cfa1 | 1063 | return 0; |
892199bd JA |
1064 | } |
1065 | ||
18e0b78c JA |
1066 | static void fill_cpu_mask(cpu_set_t cpumask, int cpu) |
1067 | { | |
f737299d | 1068 | unsigned int i; |
18e0b78c JA |
1069 | |
1070 | CPU_ZERO(&cpumask); | |
1071 | ||
1072 | for (i = 0; i < sizeof(int) * 8; i++) { | |
1073 | if ((1 << i) & cpu) | |
1074 | CPU_SET(i, &cpumask); | |
1075 | } | |
1076 | } | |
1077 | ||
5c24b2c4 | 1078 | static void fill_option(const char *input, char *output) |
892199bd JA |
1079 | { |
1080 | int i; | |
1081 | ||
1082 | i = 0; | |
1083 | while (input[i] != ',' && input[i] != '}' && input[i] != '\0') { | |
1084 | output[i] = input[i]; | |
1085 | i++; | |
1086 | } | |
1087 | ||
1088 | output[i] = '\0'; | |
1089 | } | |
1090 | ||
02983297 JA |
1091 | /* |
1092 | * convert string after '=' into decimal value, noting any size suffix | |
1093 | */ | |
1094 | static int str_cnv(char *p, unsigned long long *val) | |
1095 | { | |
1096 | unsigned long mult; | |
1097 | char *str; | |
1098 | int len; | |
1099 | ||
1100 | str = strstr(p, "="); | |
1101 | if (!str) | |
1102 | return 1; | |
1103 | ||
1104 | str++; | |
1105 | len = strlen(str); | |
1106 | mult = 1; | |
1107 | ||
1108 | switch (str[len - 2]) { | |
1109 | case 'k': | |
1110 | case 'K': | |
1111 | mult = 1024; | |
1112 | break; | |
1113 | case 'm': | |
1114 | case 'M': | |
1115 | mult = 1024 * 1024; | |
1116 | break; | |
1117 | case 'g': | |
1118 | case 'G': | |
1119 | mult = 1024 * 1024 * 1024; | |
1120 | break; | |
1121 | } | |
1122 | ||
1123 | *val = strtoul(str, NULL, 10); | |
1124 | if (*val == ULONG_MAX && errno == ERANGE) | |
1125 | return 1; | |
1126 | ||
1127 | *val *= mult; | |
1128 | return 0; | |
1129 | ||
1130 | } | |
1131 | ||
892199bd JA |
1132 | /* |
1133 | * job key words: | |
1134 | * | |
1135 | * file= | |
1136 | * bs= | |
1137 | * rw= | |
1138 | * direct= | |
1139 | */ | |
5c24b2c4 | 1140 | static void parse_jobs_cmd(int argc, char *argv[], int index) |
892199bd | 1141 | { |
f737299d JA |
1142 | struct thread_data *td; |
1143 | unsigned int prio, prioclass, cpu; | |
892199bd JA |
1144 | char *string, *filename, *p, *c; |
1145 | int i; | |
1146 | ||
1147 | string = malloc(256); | |
1148 | filename = malloc(256); | |
1149 | ||
1150 | for (i = index; i < argc; i++) { | |
1151 | p = argv[i]; | |
1152 | ||
1153 | c = strpbrk(p, "{"); | |
1154 | if (!c) | |
1155 | break; | |
1156 | ||
1157 | filename[0] = 0; | |
4240cfa1 | 1158 | |
47d45203 | 1159 | td = get_new_job(0); |
4240cfa1 JA |
1160 | if (!td) |
1161 | break; | |
f737299d | 1162 | |
892199bd | 1163 | prioclass = 2; |
f737299d | 1164 | prio = 4; |
892199bd JA |
1165 | |
1166 | c = strstr(p, "rw="); | |
1167 | if (c) { | |
1168 | c += 3; | |
1169 | if (*c == '0') | |
f737299d | 1170 | td->ddir = DDIR_READ; |
892199bd | 1171 | else |
f737299d | 1172 | td->ddir = DDIR_WRITE; |
892199bd JA |
1173 | } |
1174 | ||
1175 | c = strstr(p, "prio="); | |
1176 | if (c) { | |
1177 | c += 5; | |
1178 | prio = *c - '0'; | |
1179 | } | |
1180 | ||
1181 | c = strstr(p, "prioclass="); | |
1182 | if (c) { | |
1183 | c += 10; | |
1184 | prioclass = *c - '0'; | |
1185 | } | |
1186 | ||
1187 | c = strstr(p, "file="); | |
1188 | if (c) { | |
1189 | c += 5; | |
1190 | fill_option(c, filename); | |
1191 | } | |
1192 | ||
1193 | c = strstr(p, "bs="); | |
1194 | if (c) { | |
1195 | c += 3; | |
1196 | fill_option(c, string); | |
f737299d JA |
1197 | td->bs = strtoul(string, NULL, 10); |
1198 | td->bs <<= 10; | |
892199bd JA |
1199 | } |
1200 | ||
1201 | c = strstr(p, "direct="); | |
1202 | if (c) { | |
1203 | c += 7; | |
1204 | if (*c != '0') | |
f737299d | 1205 | td->odirect = 1; |
892199bd | 1206 | else |
f737299d | 1207 | td->odirect = 0; |
892199bd JA |
1208 | } |
1209 | ||
1210 | c = strstr(p, "delay="); | |
1211 | if (c) { | |
1212 | c += 6; | |
1213 | fill_option(c, string); | |
f737299d | 1214 | td->delay_sleep = strtoul(string, NULL, 10); |
892199bd JA |
1215 | } |
1216 | ||
86184d14 JA |
1217 | c = strstr(p, "rate="); |
1218 | if (c) { | |
1219 | c += 5; | |
1220 | fill_option(c, string); | |
f737299d | 1221 | td->rate = strtoul(string, NULL, 10); |
86184d14 JA |
1222 | } |
1223 | ||
4240cfa1 JA |
1224 | c = strstr(p, "ratemin="); |
1225 | if (c) { | |
1226 | c += 8; | |
1227 | fill_option(c, string); | |
1228 | td->ratemin = strtoul(string, NULL, 10); | |
1229 | } | |
1230 | ||
1231 | c = strstr(p, "ratecycle="); | |
1232 | if (c) { | |
1233 | c += 10; | |
1234 | fill_option(c, string); | |
1235 | td->ratecycle = strtoul(string, NULL, 10); | |
1236 | } | |
1237 | ||
18e0b78c JA |
1238 | c = strstr(p, "cpumask="); |
1239 | if (c) { | |
1240 | c += 8; | |
1241 | fill_option(c, string); | |
1242 | cpu = strtoul(string, NULL, 10); | |
f737299d | 1243 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1244 | } |
1245 | ||
4240cfa1 JA |
1246 | c = strstr(p, "fsync="); |
1247 | if (c) { | |
1248 | c += 6; | |
1249 | fill_option(c, string); | |
1250 | td->fsync_blocks = strtoul(string, NULL, 10); | |
1251 | } | |
18e0b78c | 1252 | |
fc24389f JA |
1253 | c = strstr(p, "startdelay="); |
1254 | if (c) { | |
1255 | c += 11; | |
1256 | fill_option(c, string); | |
1257 | td->start_delay = strtoul(string, NULL, 10); | |
1258 | } | |
1259 | ||
67903a2e JA |
1260 | c = strstr(p, "timeout="); |
1261 | if (c) { | |
1262 | c += 8; | |
1263 | fill_option(c, string); | |
1264 | td->timeout = strtoul(string, NULL, 10); | |
1265 | } | |
1266 | ||
b95799ca JA |
1267 | c = strstr(p, "invalidate="); |
1268 | if (c) { | |
1269 | c += 11; | |
1270 | if (*c != '0') | |
1271 | td->invalidate_cache = 1; | |
1272 | else | |
1273 | td->invalidate_cache = 0; | |
1274 | } | |
1275 | ||
02983297 JA |
1276 | c = strstr(p, "size="); |
1277 | if (c) { | |
1278 | c += 5; | |
1279 | str_cnv(c, &td->file_size); | |
1280 | } | |
1281 | ||
1282 | c = strstr(p, "offset="); | |
1283 | if (c) { | |
1284 | c += 7; | |
1285 | str_cnv(c, &td->file_offset); | |
1286 | } | |
1287 | ||
43000118 JA |
1288 | c = strstr(p, "aio_depth="); |
1289 | if (c) { | |
1290 | c += 10; | |
1291 | fill_option(c, string); | |
1292 | td->aio_depth = strtoul(string, NULL, 10); | |
1293 | } | |
1294 | ||
1295 | c = strstr(p, "aio"); | |
1296 | if (c) | |
1297 | td->use_aio = 1; | |
1298 | ||
02983297 JA |
1299 | c = strstr(p, "create"); |
1300 | if (c) | |
1301 | td->create_file = 1; | |
1302 | ||
1303 | c = strstr(p, "overwrite"); | |
1304 | if (c) | |
1305 | td->overwrite = 1; | |
1306 | ||
892199bd JA |
1307 | c = strstr(p, "random"); |
1308 | if (c) | |
f737299d | 1309 | td->sequential = 0; |
892199bd JA |
1310 | c = strstr(p, "sequential"); |
1311 | if (c) | |
f737299d | 1312 | td->sequential = 1; |
892199bd | 1313 | |
4240cfa1 JA |
1314 | if (add_job(td, filename, prioclass, prio)) |
1315 | put_job(td); | |
892199bd JA |
1316 | } |
1317 | ||
7dd1389e JA |
1318 | free(string); |
1319 | free(filename); | |
892199bd JA |
1320 | } |
1321 | ||
02983297 JA |
1322 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
1323 | { | |
1324 | if (!strstr(p, name)) | |
1325 | return 1; | |
1326 | ||
1327 | return str_cnv(p, val); | |
1328 | } | |
1329 | ||
5c24b2c4 | 1330 | static int check_int(char *p, char *name, unsigned int *val) |
7dd1389e JA |
1331 | { |
1332 | char str[128]; | |
1333 | ||
1334 | sprintf(str, "%s=%%d", name); | |
1335 | if (sscanf(p, str, val) == 1) | |
1336 | return 0; | |
1337 | ||
1338 | sprintf(str, "%s = %%d", name); | |
1339 | if (sscanf(p, str, val) == 1) | |
1340 | return 0; | |
1341 | ||
1342 | return 1; | |
1343 | } | |
1344 | ||
7292613b | 1345 | static int is_empty_or_comment(char *line) |
7dd1389e JA |
1346 | { |
1347 | unsigned int i; | |
1348 | ||
7292613b | 1349 | for (i = 0; i < strlen(line); i++) { |
7292613b | 1350 | if (line[i] == ';') |
47d45203 JA |
1351 | return 1; |
1352 | if (!isspace(line[i]) && !iscntrl(line[i])) | |
7292613b JA |
1353 | return 0; |
1354 | } | |
7dd1389e JA |
1355 | |
1356 | return 1; | |
1357 | } | |
1358 | ||
5c24b2c4 | 1359 | static int parse_jobs_ini(char *file) |
7dd1389e | 1360 | { |
47d45203 | 1361 | unsigned int prioclass, prio, cpu, global; |
f737299d | 1362 | struct thread_data *td; |
7dd1389e JA |
1363 | char *string, *name; |
1364 | fpos_t off; | |
1365 | FILE *f; | |
1366 | char *p; | |
1367 | ||
1368 | f = fopen(file, "r"); | |
1369 | if (!f) { | |
1370 | perror("fopen"); | |
4240cfa1 | 1371 | return 1; |
7dd1389e JA |
1372 | } |
1373 | ||
1374 | string = malloc(4096); | |
1375 | name = malloc(256); | |
1376 | ||
7dd1389e | 1377 | while ((p = fgets(string, 4096, f)) != NULL) { |
7292613b JA |
1378 | if (is_empty_or_comment(p)) |
1379 | continue; | |
7dd1389e JA |
1380 | if (sscanf(p, "[%s]", name) != 1) |
1381 | continue; | |
1382 | ||
47d45203 JA |
1383 | global = !strncmp(name, "global", 6); |
1384 | ||
7dd1389e JA |
1385 | name[strlen(name) - 1] = '\0'; |
1386 | ||
47d45203 | 1387 | td = get_new_job(global); |
4240cfa1 JA |
1388 | if (!td) |
1389 | break; | |
f737299d | 1390 | |
7dd1389e | 1391 | prioclass = 2; |
f737299d | 1392 | prio = 4; |
7dd1389e JA |
1393 | |
1394 | fgetpos(f, &off); | |
1395 | while ((p = fgets(string, 4096, f)) != NULL) { | |
7292613b | 1396 | if (is_empty_or_comment(p)) |
e6402082 JA |
1397 | continue; |
1398 | if (strstr(p, "[")) | |
7dd1389e | 1399 | break; |
f737299d JA |
1400 | if (!check_int(p, "bs", &td->bs)) { |
1401 | td->bs <<= 10; | |
7dd1389e JA |
1402 | fgetpos(f, &off); |
1403 | continue; | |
1404 | } | |
f737299d | 1405 | if (!check_int(p, "rw", &td->ddir)) { |
7dd1389e JA |
1406 | fgetpos(f, &off); |
1407 | continue; | |
1408 | } | |
1409 | if (!check_int(p, "prio", &prio)) { | |
1410 | fgetpos(f, &off); | |
1411 | continue; | |
1412 | } | |
1413 | if (!check_int(p, "prioclass", &prioclass)) { | |
1414 | fgetpos(f, &off); | |
1415 | continue; | |
1416 | } | |
f737299d | 1417 | if (!check_int(p, "direct", &td->odirect)) { |
7dd1389e JA |
1418 | fgetpos(f, &off); |
1419 | continue; | |
1420 | } | |
f737299d | 1421 | if (!check_int(p, "rate", &td->rate)) { |
7dd1389e JA |
1422 | fgetpos(f, &off); |
1423 | continue; | |
1424 | } | |
4240cfa1 JA |
1425 | if (!check_int(p, "ratemin", &td->ratemin)) { |
1426 | fgetpos(f, &off); | |
1427 | continue; | |
1428 | } | |
1429 | if (!check_int(p, "ratecycle", &td->ratecycle)) { | |
1430 | fgetpos(f, &off); | |
1431 | continue; | |
1432 | } | |
f737299d | 1433 | if (!check_int(p, "delay", &td->delay_sleep)) { |
7dd1389e JA |
1434 | fgetpos(f, &off); |
1435 | continue; | |
1436 | } | |
18e0b78c | 1437 | if (!check_int(p, "cpumask", &cpu)) { |
f737299d | 1438 | fill_cpu_mask(td->cpumask, cpu); |
18e0b78c JA |
1439 | fgetpos(f, &off); |
1440 | continue; | |
1441 | } | |
4240cfa1 JA |
1442 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
1443 | fgetpos(f, &off); | |
1444 | continue; | |
1445 | } | |
fc24389f JA |
1446 | if (!check_int(p, "startdelay", &td->start_delay)) { |
1447 | fgetpos(f, &off); | |
1448 | continue; | |
1449 | } | |
67903a2e JA |
1450 | if (!check_int(p, "timeout", &td->timeout)) { |
1451 | fgetpos(f, &off); | |
1452 | continue; | |
1453 | } | |
b95799ca JA |
1454 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
1455 | fgetpos(f, &off); | |
1456 | continue; | |
1457 | } | |
43000118 JA |
1458 | if (!check_int(p, "aio_depth", &td->aio_depth)) { |
1459 | fgetpos(f, &off); | |
1460 | continue; | |
1461 | } | |
02983297 JA |
1462 | if (!check_strcnv(p, "size", &td->file_size)) { |
1463 | fgetpos(f, &off); | |
1464 | continue; | |
1465 | } | |
1466 | if (!check_strcnv(p, "offset", &td->file_offset)) { | |
1467 | fgetpos(f, &off); | |
1468 | continue; | |
1469 | } | |
43000118 | 1470 | if (!strncmp(p, "sequential", 10)) { |
f737299d | 1471 | td->sequential = 1; |
7dd1389e JA |
1472 | fgetpos(f, &off); |
1473 | continue; | |
1474 | } | |
43000118 | 1475 | if (!strncmp(p, "random", 6)) { |
f737299d | 1476 | td->sequential = 0; |
7dd1389e JA |
1477 | fgetpos(f, &off); |
1478 | continue; | |
1479 | } | |
43000118 JA |
1480 | if (!strncmp(p, "aio", 3)) { |
1481 | td->use_aio = 1; | |
1482 | fgetpos(f, &off); | |
1483 | continue; | |
1484 | } | |
02983297 JA |
1485 | if (!strncmp(p, "create", 6)) { |
1486 | td->create_file = 1; | |
1487 | fgetpos(f, &off); | |
1488 | continue; | |
1489 | } | |
1490 | if (!strncmp(p, "overwrite", 9)) { | |
1491 | td->overwrite = 1; | |
1492 | fgetpos(f, &off); | |
1493 | continue; | |
1494 | } | |
e6402082 | 1495 | printf("Client%d: bad option %s\n",td->thread_number,p); |
7dd1389e JA |
1496 | } |
1497 | fsetpos(f, &off); | |
1498 | ||
4240cfa1 JA |
1499 | if (add_job(td, name, prioclass, prio)) |
1500 | put_job(td); | |
7dd1389e JA |
1501 | } |
1502 | ||
1503 | free(string); | |
1504 | free(name); | |
fc7d63df | 1505 | fclose(f); |
4240cfa1 | 1506 | return 0; |
7dd1389e JA |
1507 | } |
1508 | ||
5c24b2c4 | 1509 | static int parse_options(int argc, char *argv[]) |
892199bd | 1510 | { |
01c4d8de | 1511 | int i; |
892199bd JA |
1512 | |
1513 | for (i = 1; i < argc; i++) { | |
1514 | char *parm = argv[i]; | |
1515 | ||
1516 | if (parm[0] != '-') | |
1517 | break; | |
1518 | ||
1519 | parm++; | |
1520 | switch (*parm) { | |
1521 | case 's': | |
1522 | parm++; | |
47d45203 | 1523 | def_thread.sequential = !!atoi(parm); |
892199bd JA |
1524 | break; |
1525 | case 'b': | |
1526 | parm++; | |
47d45203 JA |
1527 | def_thread.bs = atoi(parm); |
1528 | def_thread.bs <<= 10; | |
1529 | if (!def_thread.bs) { | |
4240cfa1 | 1530 | printf("bad block size\n"); |
47d45203 | 1531 | def_thread.bs = DEF_BS; |
4240cfa1 | 1532 | } |
892199bd JA |
1533 | break; |
1534 | case 't': | |
1535 | parm++; | |
47d45203 | 1536 | def_thread.timeout = atoi(parm); |
892199bd | 1537 | break; |
892199bd JA |
1538 | case 'r': |
1539 | parm++; | |
1540 | repeatable = !!atoi(parm); | |
1541 | break; | |
02bdd9ba JA |
1542 | case 'R': |
1543 | parm++; | |
1544 | rate_quit = !!atoi(parm); | |
1545 | break; | |
892199bd JA |
1546 | case 'o': |
1547 | parm++; | |
47d45203 | 1548 | def_thread.odirect = !!atoi(parm); |
892199bd | 1549 | break; |
7dd1389e JA |
1550 | case 'f': |
1551 | if (i + 1 >= argc) { | |
1552 | printf("-f needs file as arg\n"); | |
1553 | break; | |
1554 | } | |
1555 | ini_file = strdup(argv[i+1]); | |
a642279f | 1556 | i++; |
7dd1389e | 1557 | break; |
892199bd | 1558 | default: |
7dd1389e | 1559 | printf("bad option %s\n", argv[i]); |
892199bd JA |
1560 | break; |
1561 | } | |
1562 | } | |
1563 | ||
892199bd JA |
1564 | return i; |
1565 | } | |
1566 | ||
3f39453a JA |
1567 | static void print_thread_status(struct thread_data *td, int nr_running, |
1568 | int t_rate, int m_rate, int die) | |
1569 | { | |
1570 | printf("Client%d: %s\n", td->thread_number, die ? "exited" : "spawned"); | |
1571 | ||
1572 | printf("Threads now running: %d", nr_running); | |
1573 | if (m_rate || t_rate) | |
1574 | printf(", commitrate %d/%dKiB/sec", t_rate, m_rate); | |
1575 | printf("\n"); | |
1576 | } | |
1577 | ||
213b446c | 1578 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
02bdd9ba | 1579 | { |
213b446c | 1580 | int i; |
02bdd9ba | 1581 | |
3f39453a JA |
1582 | /* |
1583 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1584 | */ | |
02bdd9ba JA |
1585 | for (i = 0; i < thread_number; i++) { |
1586 | struct thread_data *td = &threads[i]; | |
1587 | ||
213b446c JA |
1588 | if (td->runstate != TD_EXITED) |
1589 | continue; | |
02bdd9ba | 1590 | |
213b446c JA |
1591 | td->runstate = TD_REAPED; |
1592 | waitpid(td->pid, NULL, 0); | |
1593 | (*nr_running)--; | |
1594 | (*m_rate) -= td->ratemin; | |
1595 | (*t_rate) -= td->rate; | |
e6402082 JA |
1596 | |
1597 | if (td->terminate) | |
1598 | continue; | |
1599 | ||
3f39453a | 1600 | print_thread_status(td, *nr_running, *t_rate, *m_rate, 1); |
213b446c | 1601 | } |
02bdd9ba JA |
1602 | } |
1603 | ||
fc24389f JA |
1604 | static void run_threads(char *argv[]) |
1605 | { | |
be33abe4 | 1606 | struct timeval genesis; |
fc24389f JA |
1607 | struct thread_data *td; |
1608 | unsigned long spent; | |
213b446c | 1609 | int i, todo, nr_running, m_rate, t_rate; |
fc24389f JA |
1610 | |
1611 | gettimeofday(&genesis, NULL); | |
1612 | ||
1613 | printf("Starting %d threads\n", thread_number); | |
1614 | fflush(stdout); | |
1615 | ||
7292613b JA |
1616 | signal(SIGINT, sig_handler); |
1617 | ||
fc24389f | 1618 | todo = thread_number; |
02bdd9ba | 1619 | nr_running = 0; |
213b446c | 1620 | m_rate = t_rate = 0; |
fc24389f | 1621 | |
213b446c | 1622 | while (todo) { |
3f39453a JA |
1623 | /* |
1624 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1625 | */ | |
fc24389f JA |
1626 | for (i = 0; i < thread_number; i++) { |
1627 | td = &threads[i]; | |
1628 | ||
02bdd9ba | 1629 | if (td->runstate != TD_NOT_CREATED) |
fc24389f JA |
1630 | continue; |
1631 | ||
213b446c JA |
1632 | /* |
1633 | * never got a chance to start, killed by other | |
1634 | * thread for some reason | |
1635 | */ | |
1636 | if (td->terminate) { | |
1637 | todo--; | |
1638 | continue; | |
1639 | } | |
1640 | ||
fc24389f | 1641 | if (td->start_delay) { |
be33abe4 | 1642 | spent = mtime_since_now(&genesis); |
fc24389f JA |
1643 | |
1644 | if (td->start_delay * 1000 > spent) | |
1645 | continue; | |
1646 | } | |
1647 | ||
02bdd9ba | 1648 | td->runstate = TD_CREATED; |
fc24389f JA |
1649 | sem_init(&startup_sem, 1, 1); |
1650 | todo--; | |
1651 | ||
1652 | if (fork()) | |
1653 | sem_wait(&startup_sem); | |
1654 | else { | |
1655 | thread_main(shm_id, i, argv); | |
1656 | exit(0); | |
1657 | } | |
1658 | } | |
1659 | ||
3f39453a JA |
1660 | /* |
1661 | * start created threads (TD_CREATED -> TD_STARTED) | |
1662 | */ | |
fc24389f JA |
1663 | for (i = 0; i < thread_number; i++) { |
1664 | struct thread_data *td = &threads[i]; | |
1665 | ||
3f39453a JA |
1666 | if (td->runstate != TD_CREATED) |
1667 | continue; | |
1668 | ||
1669 | td->runstate = TD_STARTED; | |
1670 | nr_running++; | |
1671 | m_rate += td->ratemin; | |
1672 | t_rate += td->rate; | |
1673 | sem_post(&td->mutex); | |
1674 | ||
1675 | print_thread_status(td, nr_running, t_rate, m_rate, 0); | |
fc24389f JA |
1676 | } |
1677 | ||
213b446c | 1678 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba | 1679 | |
fc24389f JA |
1680 | if (todo) |
1681 | usleep(100000); | |
1682 | } | |
02bdd9ba JA |
1683 | |
1684 | while (nr_running) { | |
213b446c | 1685 | reap_threads(&nr_running, &t_rate, &m_rate); |
02bdd9ba JA |
1686 | usleep(10000); |
1687 | } | |
fc24389f JA |
1688 | } |
1689 | ||
8867c0a8 | 1690 | int setup_thread_area(void) |
892199bd | 1691 | { |
8867c0a8 JA |
1692 | /* |
1693 | * 1024 is too much on some machines, scale max_jobs if | |
1694 | * we get a failure that looks like too large a shm segment | |
1695 | */ | |
1696 | do { | |
1697 | int s = max_jobs * sizeof(struct thread_data); | |
18e0b78c | 1698 | |
8867c0a8 JA |
1699 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
1700 | if (shm_id != -1) | |
1701 | break; | |
1702 | if (errno != EINVAL) { | |
1703 | perror("shmget"); | |
1704 | break; | |
1705 | } | |
1706 | ||
1707 | max_jobs >>= 1; | |
d4fac444 | 1708 | } while (max_jobs); |
8867c0a8 JA |
1709 | |
1710 | if (shm_id == -1) | |
892199bd | 1711 | return 1; |
892199bd JA |
1712 | |
1713 | threads = shmat(shm_id, NULL, 0); | |
8867c0a8 | 1714 | if (threads == (void *) -1) { |
86184d14 JA |
1715 | perror("shmat"); |
1716 | return 1; | |
1717 | } | |
892199bd JA |
1718 | |
1719 | atexit(free_shm); | |
8867c0a8 JA |
1720 | return 0; |
1721 | } | |
1722 | ||
1723 | int main(int argc, char *argv[]) | |
1724 | { | |
1725 | static unsigned long max_run[2], min_run[2], total_blocks[2]; | |
1726 | static unsigned long max_bw[2], min_bw[2], maxl[2], minl[2]; | |
1727 | static unsigned long read_mb, write_mb, read_agg, write_agg; | |
1728 | int i; | |
1729 | ||
1730 | if (setup_thread_area()) | |
1731 | return 1; | |
892199bd | 1732 | |
47d45203 | 1733 | if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) { |
4240cfa1 JA |
1734 | perror("sched_getaffinity"); |
1735 | return 1; | |
1736 | } | |
1737 | ||
47d45203 JA |
1738 | /* |
1739 | * fill globals | |
1740 | */ | |
1741 | def_thread.ddir = DDIR_READ; | |
1742 | def_thread.bs = DEF_BS; | |
02983297 | 1743 | def_thread.odirect = DEF_ODIRECT; |
47d45203 | 1744 | def_thread.ratecycle = DEF_RATE_CYCLE; |
02983297 | 1745 | def_thread.sequential = DEF_SEQUENTIAL; |
47d45203 | 1746 | def_thread.timeout = DEF_TIMEOUT; |
02983297 JA |
1747 | def_thread.create_file = DEF_CREATE; |
1748 | def_thread.overwrite = DEF_OVERWRITE; | |
b95799ca | 1749 | def_thread.invalidate_cache = DEF_INVALIDATE; |
47d45203 | 1750 | |
892199bd | 1751 | i = parse_options(argc, argv); |
7dd1389e | 1752 | |
4240cfa1 JA |
1753 | if (ini_file) { |
1754 | if (parse_jobs_ini(ini_file)) | |
1755 | return 1; | |
1756 | } else | |
1757 | parse_jobs_cmd(argc, argv, i); | |
7dd1389e | 1758 | |
4240cfa1 JA |
1759 | if (!thread_number) { |
1760 | printf("Nothing to do\n"); | |
1761 | return 1; | |
1762 | } | |
7dd1389e | 1763 | |
fc24389f | 1764 | run_threads(argv); |
892199bd | 1765 | |
892199bd JA |
1766 | min_bw[0] = min_run[0] = ~0UL; |
1767 | min_bw[1] = min_run[1] = ~0UL; | |
1768 | minl[0] = minl[1] = ~0UL; | |
1769 | for (i = 0; i < thread_number; i++) { | |
1770 | struct thread_data *td = &threads[i]; | |
1771 | unsigned long bw = 0; | |
1772 | ||
1773 | if (td->error) | |
7dd1389e | 1774 | goto show_stat; |
892199bd JA |
1775 | |
1776 | if (td->runtime < min_run[td->ddir]) | |
1777 | min_run[td->ddir] = td->runtime; | |
1778 | if (td->runtime > max_run[td->ddir]) | |
1779 | max_run[td->ddir] = td->runtime; | |
1780 | ||
1781 | if (td->runtime) | |
4240cfa1 | 1782 | bw = (td->io_blocks * td->bs) / td->runtime; |
892199bd JA |
1783 | if (bw < min_bw[td->ddir]) |
1784 | min_bw[td->ddir] = bw; | |
1785 | if (bw > max_bw[td->ddir]) | |
1786 | max_bw[td->ddir] = bw; | |
1787 | if (td->max_latency < minl[td->ddir]) | |
1788 | minl[td->ddir] = td->max_latency; | |
1789 | if (td->max_latency > maxl[td->ddir]) | |
1790 | maxl[td->ddir] = td->max_latency; | |
1791 | ||
4240cfa1 | 1792 | total_blocks[td->ddir] += td->io_blocks; |
892199bd | 1793 | |
02983297 | 1794 | if (td_read(td)) { |
4240cfa1 | 1795 | read_mb += (td->bs * td->io_blocks) >> 20; |
892199bd | 1796 | if (td->runtime) |
4240cfa1 | 1797 | read_agg += (td->io_blocks * td->bs) / td->runtime; |
02983297 | 1798 | } else { |
4240cfa1 | 1799 | write_mb += (td->bs * td->io_blocks) >> 20; |
892199bd | 1800 | if (td->runtime) |
4240cfa1 | 1801 | write_agg += (td->io_blocks * td->bs) / td->runtime; |
892199bd JA |
1802 | } |
1803 | ||
7dd1389e | 1804 | show_stat: |
892199bd JA |
1805 | show_thread_status(td); |
1806 | } | |
1807 | ||
1808 | printf("Run status:\n"); | |
1809 | if (max_run[DDIR_READ]) | |
1810 | printf(" READ: io=%luMiB, aggrb=%lu, minl=%lu, maxl=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", read_mb, read_agg, minl[0], maxl[0], min_bw[0], max_bw[0], min_run[0], max_run[0]); | |
1811 | if (max_run[DDIR_WRITE]) | |
1812 | printf(" WRITE: io=%luMiB, aggrb=%lu, minl=%lu, maxl=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", write_mb, write_agg, minl[1], maxl[1], min_bw[1], max_bw[1], min_run[1], max_run[1]); | |
fc24389f | 1813 | |
892199bd JA |
1814 | return 0; |
1815 | } |