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