Commit | Line | Data |
---|---|---|
ebac4655 JA |
1 | /* |
2 | * fio - the flexible io tester | |
3 | * | |
4 | * Copyright (C) 2005 Jens Axboe <axboe@suse.de> | |
aae22ca7 | 5 | * Copyright (C) 2006 Jens Axboe <axboe@kernel.dk> |
ebac4655 | 6 | * |
8e9fe637 JA |
7 | * The license below covers all files distributed with fio unless otherwise |
8 | * noted in the file itself. | |
9 | * | |
ebac4655 | 10 | * This program is free software; you can redistribute it and/or modify |
8e9fe637 JA |
11 | * it under the terms of the GNU General Public License version 2 as |
12 | * published by the Free Software Foundation. | |
ebac4655 JA |
13 | * |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
ebac4655 JA |
24 | #include <unistd.h> |
25 | #include <fcntl.h> | |
26 | #include <string.h> | |
ebac4655 JA |
27 | #include <signal.h> |
28 | #include <time.h> | |
dbe1125e | 29 | #include <locale.h> |
36167d82 | 30 | #include <assert.h> |
ebac4655 JA |
31 | #include <sys/stat.h> |
32 | #include <sys/wait.h> | |
33 | #include <sys/ipc.h> | |
34 | #include <sys/shm.h> | |
ebac4655 JA |
35 | #include <sys/mman.h> |
36 | ||
37 | #include "fio.h" | |
38 | #include "os.h" | |
39 | ||
29d610e1 JA |
40 | static unsigned long page_mask; |
41 | #define ALIGN(buf) \ | |
42 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) | |
ebac4655 JA |
43 | |
44 | int groupid = 0; | |
45 | int thread_number = 0; | |
ebac4655 | 46 | int shm_id = 0; |
53cdc686 | 47 | int temp_stall_ts; |
ebac4655 | 48 | |
bbfd6b00 | 49 | static volatile int startup_sem; |
6ce15a32 | 50 | static volatile int fio_abort; |
437c9b71 | 51 | static int exit_value; |
ebac4655 | 52 | |
bb3884d8 JA |
53 | struct io_log *agg_io_log[2]; |
54 | ||
ebac4655 | 55 | #define TERMINATE_ALL (-1) |
75154845 | 56 | #define JOB_START_TIMEOUT (5 * 1000) |
ebac4655 | 57 | |
6ce15a32 JA |
58 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
59 | { | |
60 | td->runstate = runstate; | |
61 | } | |
62 | ||
63 | static void terminate_threads(int group_id, int forced_kill) | |
ebac4655 | 64 | { |
34572e28 | 65 | struct thread_data *td; |
ebac4655 JA |
66 | int i; |
67 | ||
34572e28 | 68 | for_each_td(td, i) { |
ebac4655 JA |
69 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
70 | td->terminate = 1; | |
71 | td->start_delay = 0; | |
6ce15a32 JA |
72 | if (forced_kill) |
73 | td_set_runstate(td, TD_EXITED); | |
ebac4655 JA |
74 | } |
75 | } | |
76 | } | |
77 | ||
78 | static void sig_handler(int sig) | |
79 | { | |
80 | switch (sig) { | |
81 | case SIGALRM: | |
82 | update_io_ticks(); | |
83 | disk_util_timer_arm(); | |
84 | print_thread_status(); | |
85 | break; | |
86 | default: | |
6ce15a32 | 87 | printf("\nfio: terminating on signal %d\n", sig); |
ebac4655 | 88 | fflush(stdout); |
6ce15a32 | 89 | terminate_threads(TERMINATE_ALL, 0); |
ebac4655 JA |
90 | break; |
91 | } | |
92 | } | |
93 | ||
906c8d75 JA |
94 | /* |
95 | * Check if we are above the minimum rate given. | |
96 | */ | |
ebac4655 JA |
97 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
98 | { | |
0904200b | 99 | unsigned long long bytes = 0; |
ebac4655 JA |
100 | unsigned long spent; |
101 | unsigned long rate; | |
ebac4655 JA |
102 | |
103 | /* | |
104 | * allow a 2 second settle period in the beginning | |
105 | */ | |
106 | if (mtime_since(&td->start, now) < 2000) | |
107 | return 0; | |
108 | ||
0904200b JA |
109 | if (td_read(td)) |
110 | bytes += td->this_io_bytes[DDIR_READ]; | |
111 | if (td_write(td)) | |
112 | bytes += td->this_io_bytes[DDIR_WRITE]; | |
113 | ||
ebac4655 JA |
114 | /* |
115 | * if rate blocks is set, sample is running | |
116 | */ | |
117 | if (td->rate_bytes) { | |
118 | spent = mtime_since(&td->lastrate, now); | |
119 | if (spent < td->ratecycle) | |
120 | return 0; | |
121 | ||
413dd459 JA |
122 | if (bytes < td->rate_bytes) { |
123 | fprintf(f_out, "%s: min rate %u not met\n", td->name, td->ratemin); | |
ebac4655 | 124 | return 1; |
413dd459 JA |
125 | } else { |
126 | rate = (bytes - td->rate_bytes) / spent; | |
127 | if (rate < td->ratemin || bytes < td->rate_bytes) { | |
128 | fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate); | |
129 | return 1; | |
130 | } | |
ebac4655 JA |
131 | } |
132 | } | |
133 | ||
0904200b | 134 | td->rate_bytes = bytes; |
ebac4655 JA |
135 | memcpy(&td->lastrate, now, sizeof(*now)); |
136 | return 0; | |
137 | } | |
138 | ||
139 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) | |
140 | { | |
141 | if (!td->timeout) | |
142 | return 0; | |
143 | if (mtime_since(&td->epoch, t) >= td->timeout * 1000) | |
144 | return 1; | |
145 | ||
146 | return 0; | |
147 | } | |
148 | ||
906c8d75 JA |
149 | /* |
150 | * When job exits, we can cancel the in-flight IO if we are using async | |
151 | * io. Attempt to do so. | |
152 | */ | |
ebac4655 JA |
153 | static void cleanup_pending_aio(struct thread_data *td) |
154 | { | |
ebac4655 | 155 | struct list_head *entry, *n; |
ebac4655 JA |
156 | struct io_u *io_u; |
157 | int r; | |
158 | ||
159 | /* | |
160 | * get immediately available events, if any | |
161 | */ | |
b2fdda43 JA |
162 | r = io_u_queued_complete(td, 0, NULL); |
163 | if (r < 0) | |
164 | return; | |
ebac4655 JA |
165 | |
166 | /* | |
167 | * now cancel remaining active events | |
168 | */ | |
2866c82d | 169 | if (td->io_ops->cancel) { |
ebac4655 JA |
170 | list_for_each_safe(entry, n, &td->io_u_busylist) { |
171 | io_u = list_entry(entry, struct io_u, list); | |
172 | ||
0c6e7517 JA |
173 | /* |
174 | * if the io_u isn't in flight, then that generally | |
175 | * means someone leaked an io_u. complain but fix | |
176 | * it up, so we don't stall here. | |
177 | */ | |
178 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
179 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 180 | put_io_u(td, io_u); |
0c6e7517 JA |
181 | } else { |
182 | r = td->io_ops->cancel(td, io_u); | |
183 | if (!r) | |
184 | put_io_u(td, io_u); | |
185 | } | |
ebac4655 JA |
186 | } |
187 | } | |
188 | ||
97601024 | 189 | if (td->cur_depth) |
b2fdda43 | 190 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
ebac4655 JA |
191 | } |
192 | ||
858a3d47 JA |
193 | /* |
194 | * Helper to handle the final sync of a file. Works just like the normal | |
195 | * io path, just does everything sync. | |
196 | */ | |
197 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
198 | { | |
199 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
200 | int ret; |
201 | ||
202 | if (!io_u) | |
203 | return 1; | |
204 | ||
205 | io_u->ddir = DDIR_SYNC; | |
206 | io_u->file = f; | |
207 | ||
208 | if (td_io_prep(td, io_u)) { | |
209 | put_io_u(td, io_u); | |
210 | return 1; | |
211 | } | |
212 | ||
755200a3 | 213 | requeue: |
858a3d47 | 214 | ret = td_io_queue(td, io_u); |
36167d82 | 215 | if (ret < 0) { |
e1161c32 | 216 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 217 | put_io_u(td, io_u); |
858a3d47 | 218 | return 1; |
36167d82 | 219 | } else if (ret == FIO_Q_QUEUED) { |
49db69aa | 220 | if (io_u_queued_complete(td, 1, NULL) < 0) |
36167d82 | 221 | return 1; |
36167d82 JA |
222 | } else if (ret == FIO_Q_COMPLETED) { |
223 | if (io_u->error) { | |
e1161c32 | 224 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
225 | return 1; |
226 | } | |
858a3d47 | 227 | |
b2fdda43 JA |
228 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
229 | return 1; | |
755200a3 JA |
230 | } else if (ret == FIO_Q_BUSY) { |
231 | if (td_io_commit(td)) | |
232 | return 1; | |
233 | goto requeue; | |
858a3d47 JA |
234 | } |
235 | ||
236 | return 0; | |
237 | } | |
238 | ||
906c8d75 JA |
239 | /* |
240 | * The main verify engine. Runs over the writes we previusly submitted, | |
241 | * reads the blocks back in, and checks the crc/md5 of the data. | |
242 | */ | |
1e97cce9 | 243 | static void do_verify(struct thread_data *td) |
ebac4655 | 244 | { |
53cdc686 | 245 | struct fio_file *f; |
36167d82 | 246 | struct io_u *io_u; |
3af6ef39 | 247 | int ret, i, min_events; |
e5b401d4 JA |
248 | |
249 | /* | |
250 | * sync io first and invalidate cache, to make sure we really | |
251 | * read from disk. | |
252 | */ | |
253 | for_each_file(td, f, i) { | |
b2fdda43 JA |
254 | if (fio_io_sync(td, f)) |
255 | break; | |
256 | if (file_invalidate_cache(td, f)) | |
257 | break; | |
e5b401d4 | 258 | } |
ebac4655 | 259 | |
b2fdda43 JA |
260 | if (td->error) |
261 | return; | |
262 | ||
ebac4655 JA |
263 | td_set_runstate(td, TD_VERIFYING); |
264 | ||
36167d82 JA |
265 | io_u = NULL; |
266 | while (!td->terminate) { | |
ebac4655 JA |
267 | io_u = __get_io_u(td); |
268 | if (!io_u) | |
269 | break; | |
270 | ||
069c2918 JA |
271 | if (runtime_exceeded(td, &io_u->start_time)) { |
272 | put_io_u(td, io_u); | |
02bcaa8c | 273 | break; |
069c2918 | 274 | } |
02bcaa8c | 275 | |
069c2918 JA |
276 | if (get_next_verify(td, io_u)) { |
277 | put_io_u(td, io_u); | |
ebac4655 | 278 | break; |
069c2918 | 279 | } |
ebac4655 | 280 | |
069c2918 JA |
281 | if (td_io_prep(td, io_u)) { |
282 | put_io_u(td, io_u); | |
53cdc686 | 283 | break; |
069c2918 | 284 | } |
36167d82 JA |
285 | requeue: |
286 | ret = td_io_queue(td, io_u); | |
53cdc686 | 287 | |
36167d82 JA |
288 | switch (ret) { |
289 | case FIO_Q_COMPLETED: | |
290 | if (io_u->error) | |
22819ec2 | 291 | ret = -io_u->error; |
36167d82 JA |
292 | if (io_u->xfer_buflen != io_u->resid && io_u->resid) { |
293 | int bytes = io_u->xfer_buflen - io_u->resid; | |
ebac4655 | 294 | |
36167d82 JA |
295 | io_u->xfer_buflen = io_u->resid; |
296 | io_u->xfer_buf += bytes; | |
297 | goto requeue; | |
298 | } | |
99784632 | 299 | ret = io_u_sync_complete(td, io_u, verify_io_u); |
49db69aa | 300 | if (ret < 0) |
36167d82 | 301 | break; |
36167d82 JA |
302 | continue; |
303 | case FIO_Q_QUEUED: | |
304 | break; | |
755200a3 JA |
305 | case FIO_Q_BUSY: |
306 | requeue_io_u(td, &io_u); | |
307 | ret = td_io_commit(td); | |
308 | break; | |
36167d82 JA |
309 | default: |
310 | assert(ret < 0); | |
e1161c32 | 311 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
312 | break; |
313 | } | |
314 | ||
99784632 | 315 | if (ret < 0 || td->error) |
3af6ef39 JA |
316 | break; |
317 | ||
ebac4655 | 318 | /* |
3af6ef39 JA |
319 | * if we can queue more, do so. but check if there are |
320 | * completed io_u's first. | |
ebac4655 | 321 | */ |
97601024 | 322 | min_events = 0; |
e916b390 | 323 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
3af6ef39 | 324 | min_events = 1; |
3af6ef39 | 325 | |
e916b390 JA |
326 | if (td->cur_depth > td->iodepth_low) |
327 | min_events = td->cur_depth - td->iodepth_low; | |
328 | } | |
329 | ||
3af6ef39 JA |
330 | /* |
331 | * Reap required number of io units, if any, and do the | |
332 | * verification on them through the callback handler | |
333 | */ | |
49db69aa | 334 | if (io_u_queued_complete(td, min_events, verify_io_u) < 0) |
ebac4655 | 335 | break; |
36167d82 | 336 | } |
ebac4655 | 337 | |
ebac4655 JA |
338 | if (td->cur_depth) |
339 | cleanup_pending_aio(td); | |
340 | ||
341 | td_set_runstate(td, TD_RUNNING); | |
342 | } | |
343 | ||
b990b5c0 JA |
344 | /* |
345 | * Not really an io thread, all it does is burn CPU cycles in the specified | |
346 | * manner. | |
347 | */ | |
348 | static void do_cpuio(struct thread_data *td) | |
349 | { | |
350 | struct timeval e; | |
351 | int split = 100 / td->cpuload; | |
352 | int i = 0; | |
353 | ||
354 | while (!td->terminate) { | |
02bcaa8c | 355 | fio_gettime(&e, NULL); |
b990b5c0 JA |
356 | |
357 | if (runtime_exceeded(td, &e)) | |
358 | break; | |
359 | ||
360 | if (!(i % split)) | |
361 | __usec_sleep(10000); | |
362 | else | |
363 | usec_sleep(td, 10000); | |
364 | ||
365 | i++; | |
366 | } | |
367 | } | |
368 | ||
32cd46a0 | 369 | /* |
906c8d75 | 370 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
371 | * and reaps them, checking for rate and errors along the way. |
372 | */ | |
ebac4655 JA |
373 | static void do_io(struct thread_data *td) |
374 | { | |
02bcaa8c | 375 | struct timeval s; |
ebac4655 | 376 | unsigned long usec; |
84585003 | 377 | int i, ret = 0; |
ebac4655 | 378 | |
5853e5a8 JA |
379 | td_set_runstate(td, TD_RUNNING); |
380 | ||
3951414d | 381 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->io_size) { |
97601024 JA |
382 | struct timeval comp_time; |
383 | long bytes_done = 0; | |
84585003 | 384 | int min_evts = 0; |
ebac4655 JA |
385 | struct io_u *io_u; |
386 | ||
387 | if (td->terminate) | |
388 | break; | |
389 | ||
3d7c391d | 390 | io_u = get_io_u(td); |
ebac4655 JA |
391 | if (!io_u) |
392 | break; | |
393 | ||
394 | memcpy(&s, &io_u->start_time, sizeof(s)); | |
97601024 JA |
395 | |
396 | if (runtime_exceeded(td, &s)) { | |
397 | put_io_u(td, io_u); | |
398 | break; | |
399 | } | |
cec6b55d | 400 | requeue: |
45bee283 | 401 | ret = td_io_queue(td, io_u); |
36167d82 JA |
402 | |
403 | switch (ret) { | |
404 | case FIO_Q_COMPLETED: | |
405 | if (io_u->error) { | |
406 | ret = io_u->error; | |
407 | break; | |
408 | } | |
409 | if (io_u->xfer_buflen != io_u->resid && io_u->resid) { | |
410 | int bytes = io_u->xfer_buflen - io_u->resid; | |
411 | ||
cec6b55d | 412 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 413 | io_u->xfer_buf += bytes; |
cec6b55d | 414 | goto requeue; |
cec6b55d | 415 | } |
97601024 JA |
416 | fio_gettime(&comp_time, NULL); |
417 | bytes_done = io_u_sync_complete(td, io_u, NULL); | |
99784632 JA |
418 | if (bytes_done < 0) |
419 | ret = bytes_done; | |
36167d82 JA |
420 | break; |
421 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
422 | /* |
423 | * if the engine doesn't have a commit hook, | |
424 | * the io_u is really queued. if it does have such | |
425 | * a hook, it has to call io_u_queued() itself. | |
426 | */ | |
427 | if (td->io_ops->commit == NULL) | |
428 | io_u_queued(td, io_u); | |
36167d82 | 429 | break; |
755200a3 JA |
430 | case FIO_Q_BUSY: |
431 | requeue_io_u(td, &io_u); | |
432 | ret = td_io_commit(td); | |
433 | break; | |
36167d82 JA |
434 | default: |
435 | assert(ret < 0); | |
436 | put_io_u(td, io_u); | |
437 | break; | |
ebac4655 JA |
438 | } |
439 | ||
99784632 | 440 | if (ret < 0 || td->error) |
36167d82 JA |
441 | break; |
442 | ||
97601024 JA |
443 | /* |
444 | * See if we need to complete some commands | |
445 | */ | |
755200a3 | 446 | if (ret == FIO_Q_QUEUED || ret == FIO_Q_BUSY) { |
97601024 | 447 | min_evts = 0; |
e916b390 | 448 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
36167d82 | 449 | min_evts = 1; |
ebac4655 | 450 | |
e916b390 JA |
451 | if (td->cur_depth > td->iodepth_low) |
452 | min_evts = td->cur_depth - td->iodepth_low; | |
453 | } | |
454 | ||
97601024 JA |
455 | fio_gettime(&comp_time, NULL); |
456 | bytes_done = io_u_queued_complete(td, min_evts, NULL); | |
457 | if (bytes_done < 0) | |
36167d82 | 458 | break; |
ebac4655 JA |
459 | } |
460 | ||
97601024 JA |
461 | if (!bytes_done) |
462 | continue; | |
463 | ||
ebac4655 JA |
464 | /* |
465 | * the rate is batched for now, it should work for batches | |
466 | * of completions except the very first one which may look | |
467 | * a little bursty | |
468 | */ | |
97601024 | 469 | usec = utime_since(&s, &comp_time); |
ebac4655 | 470 | |
413dd459 | 471 | rate_throttle(td, usec, bytes_done); |
ebac4655 | 472 | |
97601024 | 473 | if (check_min_rate(td, &comp_time)) { |
98aa62d8 | 474 | if (exitall_on_terminate) |
6ce15a32 | 475 | terminate_threads(td->groupid, 0); |
e1161c32 | 476 | td_verror(td, ENODATA, "check_min_rate"); |
ebac4655 JA |
477 | break; |
478 | } | |
479 | ||
9c1f7434 JA |
480 | if (td->thinktime) { |
481 | unsigned long long b; | |
482 | ||
483 | b = td->io_blocks[0] + td->io_blocks[1]; | |
48097d5c JA |
484 | if (!(b % td->thinktime_blocks)) { |
485 | int left; | |
486 | ||
487 | if (td->thinktime_spin) | |
488 | __usec_sleep(td->thinktime_spin); | |
489 | ||
490 | left = td->thinktime - td->thinktime_spin; | |
491 | if (left) | |
492 | usec_sleep(td, left); | |
493 | } | |
9c1f7434 | 494 | } |
ebac4655 JA |
495 | } |
496 | ||
4d2413c6 | 497 | if (!td->error) { |
3d7c391d JA |
498 | struct fio_file *f; |
499 | ||
84585003 JA |
500 | if (td->cur_depth) |
501 | cleanup_pending_aio(td); | |
ebac4655 | 502 | |
84585003 JA |
503 | if (should_fsync(td) && td->end_fsync) { |
504 | td_set_runstate(td, TD_FSYNCING); | |
505 | for_each_file(td, f, i) | |
858a3d47 | 506 | fio_io_sync(td, f); |
84585003 | 507 | } |
5853e5a8 | 508 | } |
ebac4655 JA |
509 | } |
510 | ||
ebac4655 JA |
511 | static void cleanup_io_u(struct thread_data *td) |
512 | { | |
513 | struct list_head *entry, *n; | |
514 | struct io_u *io_u; | |
515 | ||
516 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
517 | io_u = list_entry(entry, struct io_u, list); | |
518 | ||
519 | list_del(&io_u->list); | |
520 | free(io_u); | |
521 | } | |
522 | ||
2f9ade3c | 523 | free_io_mem(td); |
ebac4655 JA |
524 | } |
525 | ||
6b9cea23 JA |
526 | /* |
527 | * "randomly" fill the buffer contents | |
528 | */ | |
66eeb296 | 529 | static void fill_rand_buf(struct io_u *io_u, int max_bs) |
6b9cea23 | 530 | { |
66eeb296 | 531 | int *ptr = io_u->buf; |
6b9cea23 JA |
532 | |
533 | while ((void *) ptr - io_u->buf < max_bs) { | |
534 | *ptr = rand() * 0x9e370001; | |
535 | ptr++; | |
536 | } | |
537 | } | |
538 | ||
ebac4655 JA |
539 | static int init_io_u(struct thread_data *td) |
540 | { | |
541 | struct io_u *io_u; | |
a00735e6 | 542 | unsigned int max_bs; |
ebac4655 JA |
543 | int i, max_units; |
544 | char *p; | |
545 | ||
2866c82d | 546 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
547 | return 0; |
548 | ||
2866c82d | 549 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
550 | max_units = 1; |
551 | else | |
552 | max_units = td->iodepth; | |
553 | ||
a00735e6 | 554 | max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]); |
74b025b0 JA |
555 | td->orig_buffer_size = max_bs * max_units; |
556 | ||
d0bdaf49 | 557 | if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE) |
56bb17f2 | 558 | td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1); |
74b025b0 | 559 | else |
29d610e1 | 560 | td->orig_buffer_size += page_mask; |
ebac4655 | 561 | |
2f9ade3c JA |
562 | if (allocate_io_mem(td)) |
563 | return 1; | |
ebac4655 | 564 | |
ebac4655 JA |
565 | p = ALIGN(td->orig_buffer); |
566 | for (i = 0; i < max_units; i++) { | |
567 | io_u = malloc(sizeof(*io_u)); | |
568 | memset(io_u, 0, sizeof(*io_u)); | |
569 | INIT_LIST_HEAD(&io_u->list); | |
570 | ||
a00735e6 | 571 | io_u->buf = p + max_bs * i; |
6b9cea23 | 572 | if (td_write(td) || td_rw(td)) |
a00735e6 | 573 | fill_rand_buf(io_u, max_bs); |
6b9cea23 | 574 | |
b1ff3403 | 575 | io_u->index = i; |
0c6e7517 | 576 | io_u->flags = IO_U_F_FREE; |
ebac4655 JA |
577 | list_add(&io_u->list, &td->io_u_freelist); |
578 | } | |
579 | ||
433afcb4 JA |
580 | io_u_init_timeout(); |
581 | ||
ebac4655 JA |
582 | return 0; |
583 | } | |
584 | ||
da86774e JA |
585 | static int switch_ioscheduler(struct thread_data *td) |
586 | { | |
587 | char tmp[256], tmp2[128]; | |
588 | FILE *f; | |
589 | int ret; | |
590 | ||
f48b467c JA |
591 | if (td->io_ops->flags & FIO_CPUIO) |
592 | return 0; | |
593 | ||
da86774e JA |
594 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
595 | ||
596 | f = fopen(tmp, "r+"); | |
597 | if (!f) { | |
e1161c32 | 598 | td_verror(td, errno, "fopen"); |
da86774e JA |
599 | return 1; |
600 | } | |
601 | ||
602 | /* | |
603 | * Set io scheduler. | |
604 | */ | |
605 | ret = fwrite(td->ioscheduler, strlen(td->ioscheduler), 1, f); | |
606 | if (ferror(f) || ret != 1) { | |
e1161c32 | 607 | td_verror(td, errno, "fwrite"); |
da86774e JA |
608 | fclose(f); |
609 | return 1; | |
610 | } | |
611 | ||
612 | rewind(f); | |
613 | ||
614 | /* | |
615 | * Read back and check that the selected scheduler is now the default. | |
616 | */ | |
617 | ret = fread(tmp, 1, sizeof(tmp), f); | |
618 | if (ferror(f) || ret < 0) { | |
e1161c32 | 619 | td_verror(td, errno, "fread"); |
da86774e JA |
620 | fclose(f); |
621 | return 1; | |
622 | } | |
623 | ||
624 | sprintf(tmp2, "[%s]", td->ioscheduler); | |
625 | if (!strstr(tmp, tmp2)) { | |
3b70d7e5 | 626 | log_err("fio: io scheduler %s not found\n", td->ioscheduler); |
e1161c32 | 627 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
628 | fclose(f); |
629 | return 1; | |
630 | } | |
631 | ||
632 | fclose(f); | |
633 | return 0; | |
634 | } | |
635 | ||
ebac4655 JA |
636 | static void clear_io_state(struct thread_data *td) |
637 | { | |
53cdc686 JA |
638 | struct fio_file *f; |
639 | int i; | |
ebac4655 | 640 | |
079ad09b | 641 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 642 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 643 | td->zone_bytes = 0; |
ebac4655 | 644 | |
c1324df1 JA |
645 | td->last_was_sync = 0; |
646 | ||
53cdc686 | 647 | for_each_file(td, f, i) { |
c1324df1 JA |
648 | f->last_completed_pos = 0; |
649 | ||
53cdc686 JA |
650 | f->last_pos = 0; |
651 | if (td->io_ops->flags & FIO_SYNCIO) | |
652 | lseek(f->fd, SEEK_SET, 0); | |
653 | ||
654 | if (f->file_map) | |
655 | memset(f->file_map, 0, f->num_maps * sizeof(long)); | |
656 | } | |
ebac4655 JA |
657 | } |
658 | ||
906c8d75 JA |
659 | /* |
660 | * Entry point for the thread based jobs. The process based jobs end up | |
661 | * here as well, after a little setup. | |
662 | */ | |
ebac4655 JA |
663 | static void *thread_main(void *data) |
664 | { | |
69008999 | 665 | unsigned long long runtime[2]; |
ebac4655 | 666 | struct thread_data *td = data; |
ebac4655 JA |
667 | |
668 | if (!td->use_thread) | |
669 | setsid(); | |
670 | ||
671 | td->pid = getpid(); | |
672 | ||
aea47d44 JA |
673 | INIT_LIST_HEAD(&td->io_u_freelist); |
674 | INIT_LIST_HEAD(&td->io_u_busylist); | |
755200a3 | 675 | INIT_LIST_HEAD(&td->io_u_requeues); |
aea47d44 JA |
676 | INIT_LIST_HEAD(&td->io_hist_list); |
677 | INIT_LIST_HEAD(&td->io_log_list); | |
678 | ||
ebac4655 JA |
679 | if (init_io_u(td)) |
680 | goto err; | |
681 | ||
682 | if (fio_setaffinity(td) == -1) { | |
e1161c32 | 683 | td_verror(td, errno, "cpu_set_affinity"); |
ebac4655 JA |
684 | goto err; |
685 | } | |
686 | ||
aea47d44 JA |
687 | if (init_iolog(td)) |
688 | goto err; | |
689 | ||
ebac4655 JA |
690 | if (td->ioprio) { |
691 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { | |
e1161c32 | 692 | td_verror(td, errno, "ioprio_set"); |
ebac4655 JA |
693 | goto err; |
694 | } | |
695 | } | |
696 | ||
1056eaad | 697 | if (nice(td->nice) == -1) { |
e1161c32 | 698 | td_verror(td, errno, "nice"); |
b6f4d880 JA |
699 | goto err; |
700 | } | |
701 | ||
75154845 JA |
702 | if (init_random_state(td)) |
703 | goto err; | |
704 | ||
56f9498d JA |
705 | if (td->ioscheduler && switch_ioscheduler(td)) |
706 | goto err; | |
da86774e | 707 | |
75154845 | 708 | td_set_runstate(td, TD_INITIALIZED); |
bbfd6b00 JA |
709 | fio_sem_up(&startup_sem); |
710 | fio_sem_down(&td->mutex); | |
ebac4655 | 711 | |
53cdc686 | 712 | if (!td->create_serialize && setup_files(td)) |
ebac4655 | 713 | goto err; |
21972cde JA |
714 | if (open_files(td)) |
715 | goto err; | |
ebac4655 | 716 | |
7d6c5283 JA |
717 | /* |
718 | * Do this late, as some IO engines would like to have the | |
719 | * files setup prior to initializing structures. | |
720 | */ | |
721 | if (td_io_init(td)) | |
722 | goto err; | |
723 | ||
69cfd7e0 JA |
724 | if (td->exec_prerun) { |
725 | if (system(td->exec_prerun) < 0) | |
726 | goto err; | |
727 | } | |
4e0ba8af | 728 | |
69008999 | 729 | fio_gettime(&td->epoch, NULL); |
433afcb4 | 730 | memcpy(&td->timeout_end, &td->epoch, sizeof(td->epoch)); |
079ad09b | 731 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
732 | |
733 | runtime[0] = runtime[1] = 0; | |
ebac4655 | 734 | while (td->loops--) { |
02bcaa8c | 735 | fio_gettime(&td->start, NULL); |
079ad09b | 736 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
ebac4655 JA |
737 | |
738 | if (td->ratemin) | |
079ad09b | 739 | memcpy(&td->lastrate, &td->ts.stat_sample_time, sizeof(td->lastrate)); |
ebac4655 JA |
740 | |
741 | clear_io_state(td); | |
742 | prune_io_piece_log(td); | |
743 | ||
2866c82d | 744 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
745 | do_cpuio(td); |
746 | else | |
747 | do_io(td); | |
ebac4655 | 748 | |
413dd459 JA |
749 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
750 | runtime[DDIR_READ] += utime_since_now(&td->start); | |
751 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
752 | runtime[DDIR_WRITE] += utime_since_now(&td->start); | |
753 | ||
ebac4655 JA |
754 | if (td->error || td->terminate) |
755 | break; | |
756 | ||
757 | if (td->verify == VERIFY_NONE) | |
758 | continue; | |
759 | ||
760 | clear_io_state(td); | |
02bcaa8c | 761 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
762 | |
763 | do_verify(td); | |
764 | ||
69008999 | 765 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
766 | |
767 | if (td->error || td->terminate) | |
768 | break; | |
769 | } | |
770 | ||
36dff966 | 771 | update_rusage_stat(td); |
69008999 JA |
772 | fio_gettime(&td->end_time, NULL); |
773 | td->runtime[0] = runtime[0] / 1000; | |
774 | td->runtime[1] = runtime[1] / 1000; | |
775 | ||
079ad09b JA |
776 | if (td->ts.bw_log) |
777 | finish_log(td, td->ts.bw_log, "bw"); | |
778 | if (td->ts.slat_log) | |
779 | finish_log(td, td->ts.slat_log, "slat"); | |
780 | if (td->ts.clat_log) | |
781 | finish_log(td, td->ts.clat_log, "clat"); | |
076efc7c | 782 | if (td->write_iolog_file) |
843a7413 | 783 | write_iolog_close(td); |
69cfd7e0 JA |
784 | if (td->exec_postrun) { |
785 | if (system(td->exec_postrun) < 0) | |
786 | log_err("fio: postrun %s failed\n", td->exec_postrun); | |
787 | } | |
ebac4655 JA |
788 | |
789 | if (exitall_on_terminate) | |
6ce15a32 | 790 | terminate_threads(td->groupid, 0); |
ebac4655 JA |
791 | |
792 | err: | |
5bf13a5a JA |
793 | if (td->error) |
794 | printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
53cdc686 | 795 | close_files(td); |
2866c82d | 796 | close_ioengine(td); |
ebac4655 | 797 | cleanup_io_u(td); |
ebac4655 | 798 | td_set_runstate(td, TD_EXITED); |
43d76807 | 799 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
800 | } |
801 | ||
906c8d75 JA |
802 | /* |
803 | * We cannot pass the td data into a forked process, so attach the td and | |
804 | * pass it to the thread worker. | |
805 | */ | |
a6418147 | 806 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
807 | { |
808 | struct thread_data *td; | |
a6418147 | 809 | void *data, *ret; |
ebac4655 JA |
810 | |
811 | data = shmat(shmid, NULL, 0); | |
812 | if (data == (void *) -1) { | |
a6418147 JA |
813 | int __err = errno; |
814 | ||
ebac4655 | 815 | perror("shmat"); |
a6418147 | 816 | return __err; |
ebac4655 JA |
817 | } |
818 | ||
819 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 820 | ret = thread_main(td); |
ebac4655 | 821 | shmdt(data); |
43d76807 | 822 | return (int) (unsigned long) ret; |
ebac4655 JA |
823 | } |
824 | ||
906c8d75 JA |
825 | /* |
826 | * Run over the job map and reap the threads that have exited, if any. | |
827 | */ | |
ebac4655 JA |
828 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
829 | { | |
34572e28 | 830 | struct thread_data *td; |
fab6aa71 | 831 | int i, cputhreads, pending, status, ret; |
ebac4655 JA |
832 | |
833 | /* | |
834 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
835 | */ | |
4d2413c6 | 836 | pending = cputhreads = 0; |
34572e28 | 837 | for_each_td(td, i) { |
3707f45b | 838 | int flags = 0; |
a2f77c9f | 839 | |
84585003 JA |
840 | /* |
841 | * ->io_ops is NULL for a thread that has closed its | |
842 | * io engine | |
843 | */ | |
844 | if (td->io_ops && td->io_ops->flags & FIO_CPUIO) | |
b990b5c0 JA |
845 | cputhreads++; |
846 | ||
a2f77c9f JA |
847 | if (!td->pid || td->runstate == TD_REAPED) |
848 | continue; | |
3707f45b JA |
849 | if (td->use_thread) { |
850 | if (td->runstate == TD_EXITED) { | |
851 | td_set_runstate(td, TD_REAPED); | |
852 | goto reaped; | |
853 | } | |
854 | continue; | |
855 | } | |
a2f77c9f JA |
856 | |
857 | flags = WNOHANG; | |
858 | if (td->runstate == TD_EXITED) | |
859 | flags = 0; | |
860 | ||
861 | /* | |
862 | * check if someone quit or got killed in an unusual way | |
863 | */ | |
864 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 865 | if (ret < 0) { |
a2f77c9f JA |
866 | if (errno == ECHILD) { |
867 | log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate); | |
868 | td_set_runstate(td, TD_REAPED); | |
869 | goto reaped; | |
870 | } | |
871 | perror("waitpid"); | |
872 | } else if (ret == td->pid) { | |
873 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
874 | int sig = WTERMSIG(status); |
875 | ||
876 | log_err("fio: pid=%d, got signal=%d\n", td->pid, sig); | |
877 | td_set_runstate(td, TD_REAPED); | |
878 | goto reaped; | |
879 | } | |
a2f77c9f JA |
880 | if (WIFEXITED(status)) { |
881 | if (WEXITSTATUS(status) && !td->error) | |
882 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 883 | |
a2f77c9f JA |
884 | td_set_runstate(td, TD_REAPED); |
885 | goto reaped; | |
a6418147 JA |
886 | } |
887 | } | |
ebac4655 | 888 | |
a2f77c9f JA |
889 | /* |
890 | * thread is not dead, continue | |
891 | */ | |
892 | continue; | |
fab6aa71 | 893 | reaped: |
3707f45b JA |
894 | if (td->use_thread) { |
895 | long ret; | |
896 | ||
897 | if (pthread_join(td->thread, (void *) &ret)) | |
898 | perror("pthread_join"); | |
899 | } | |
900 | ||
ebac4655 JA |
901 | (*nr_running)--; |
902 | (*m_rate) -= td->ratemin; | |
903 | (*t_rate) -= td->rate; | |
a2f77c9f JA |
904 | |
905 | if (td->error) | |
906 | exit_value++; | |
ebac4655 | 907 | } |
b990b5c0 | 908 | |
4d2413c6 | 909 | if (*nr_running == cputhreads && !pending) |
6ce15a32 | 910 | terminate_threads(TERMINATE_ALL, 0); |
ebac4655 JA |
911 | } |
912 | ||
906c8d75 JA |
913 | /* |
914 | * Main function for kicking off and reaping jobs, as needed. | |
915 | */ | |
ebac4655 JA |
916 | static void run_threads(void) |
917 | { | |
ebac4655 JA |
918 | struct thread_data *td; |
919 | unsigned long spent; | |
920 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 921 | |
2f9ade3c JA |
922 | if (fio_pin_memory()) |
923 | return; | |
ebac4655 | 924 | |
c6ae0a5b JA |
925 | if (!terse_output) { |
926 | printf("Starting %d thread%s\n", thread_number, thread_number > 1 ? "s" : ""); | |
927 | fflush(stdout); | |
928 | } | |
c04f7ec3 | 929 | |
4efa970e JA |
930 | signal(SIGINT, sig_handler); |
931 | signal(SIGALRM, sig_handler); | |
932 | ||
ebac4655 JA |
933 | todo = thread_number; |
934 | nr_running = 0; | |
935 | nr_started = 0; | |
936 | m_rate = t_rate = 0; | |
937 | ||
34572e28 | 938 | for_each_td(td, i) { |
263e529f | 939 | print_status_init(td->thread_number - 1); |
ebac4655 | 940 | |
380cf265 JA |
941 | if (!td->create_serialize) { |
942 | init_disk_util(td); | |
ebac4655 | 943 | continue; |
380cf265 | 944 | } |
ebac4655 JA |
945 | |
946 | /* | |
947 | * do file setup here so it happens sequentially, | |
948 | * we don't want X number of threads getting their | |
949 | * client data interspersed on disk | |
950 | */ | |
53cdc686 | 951 | if (setup_files(td)) { |
5bf13a5a JA |
952 | exit_value++; |
953 | if (td->error) | |
954 | log_err("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
ebac4655 JA |
955 | td_set_runstate(td, TD_REAPED); |
956 | todo--; | |
957 | } | |
380cf265 JA |
958 | |
959 | init_disk_util(td); | |
ebac4655 JA |
960 | } |
961 | ||
a2f77c9f JA |
962 | set_genesis_time(); |
963 | ||
ebac4655 | 964 | while (todo) { |
75154845 JA |
965 | struct thread_data *map[MAX_JOBS]; |
966 | struct timeval this_start; | |
967 | int this_jobs = 0, left; | |
968 | ||
ebac4655 JA |
969 | /* |
970 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
971 | */ | |
34572e28 | 972 | for_each_td(td, i) { |
ebac4655 JA |
973 | if (td->runstate != TD_NOT_CREATED) |
974 | continue; | |
975 | ||
976 | /* | |
977 | * never got a chance to start, killed by other | |
978 | * thread for some reason | |
979 | */ | |
980 | if (td->terminate) { | |
981 | todo--; | |
982 | continue; | |
983 | } | |
984 | ||
985 | if (td->start_delay) { | |
263e529f | 986 | spent = mtime_since_genesis(); |
ebac4655 JA |
987 | |
988 | if (td->start_delay * 1000 > spent) | |
989 | continue; | |
990 | } | |
991 | ||
992 | if (td->stonewall && (nr_started || nr_running)) | |
993 | break; | |
994 | ||
75154845 JA |
995 | /* |
996 | * Set state to created. Thread will transition | |
997 | * to TD_INITIALIZED when it's done setting up. | |
998 | */ | |
ebac4655 | 999 | td_set_runstate(td, TD_CREATED); |
75154845 | 1000 | map[this_jobs++] = td; |
bbfd6b00 | 1001 | fio_sem_init(&startup_sem, 1); |
ebac4655 JA |
1002 | nr_started++; |
1003 | ||
1004 | if (td->use_thread) { | |
1005 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
1006 | perror("thread_create"); | |
1007 | nr_started--; | |
1008 | } | |
1009 | } else { | |
1010 | if (fork()) | |
bbfd6b00 | 1011 | fio_sem_down(&startup_sem); |
ebac4655 | 1012 | else { |
a6418147 JA |
1013 | int ret = fork_main(shm_id, i); |
1014 | ||
1015 | exit(ret); | |
ebac4655 JA |
1016 | } |
1017 | } | |
1018 | } | |
1019 | ||
1020 | /* | |
75154845 JA |
1021 | * Wait for the started threads to transition to |
1022 | * TD_INITIALIZED. | |
ebac4655 | 1023 | */ |
02bcaa8c | 1024 | fio_gettime(&this_start, NULL); |
75154845 | 1025 | left = this_jobs; |
6ce15a32 | 1026 | while (left && !fio_abort) { |
75154845 JA |
1027 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1028 | break; | |
1029 | ||
1030 | usleep(100000); | |
1031 | ||
1032 | for (i = 0; i < this_jobs; i++) { | |
1033 | td = map[i]; | |
1034 | if (!td) | |
1035 | continue; | |
b6f4d880 | 1036 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1037 | map[i] = NULL; |
1038 | left--; | |
b6f4d880 JA |
1039 | } else if (td->runstate >= TD_EXITED) { |
1040 | map[i] = NULL; | |
1041 | left--; | |
1042 | todo--; | |
1043 | nr_running++; /* work-around... */ | |
75154845 JA |
1044 | } |
1045 | } | |
1046 | } | |
1047 | ||
1048 | if (left) { | |
3b70d7e5 | 1049 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1050 | for (i = 0; i < this_jobs; i++) { |
1051 | td = map[i]; | |
1052 | if (!td) | |
1053 | continue; | |
1054 | kill(td->pid, SIGTERM); | |
1055 | } | |
1056 | break; | |
1057 | } | |
1058 | ||
1059 | /* | |
b6f4d880 | 1060 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1061 | */ |
34572e28 | 1062 | for_each_td(td, i) { |
75154845 | 1063 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1064 | continue; |
1065 | ||
1066 | td_set_runstate(td, TD_RUNNING); | |
1067 | nr_running++; | |
1068 | nr_started--; | |
1069 | m_rate += td->ratemin; | |
1070 | t_rate += td->rate; | |
75154845 | 1071 | todo--; |
bbfd6b00 | 1072 | fio_sem_up(&td->mutex); |
ebac4655 JA |
1073 | } |
1074 | ||
1075 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1076 | ||
1077 | if (todo) | |
1078 | usleep(100000); | |
1079 | } | |
1080 | ||
1081 | while (nr_running) { | |
1082 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1083 | usleep(10000); | |
1084 | } | |
1085 | ||
1086 | update_io_ticks(); | |
2f9ade3c | 1087 | fio_unpin_memory(); |
ebac4655 JA |
1088 | } |
1089 | ||
ebac4655 JA |
1090 | int main(int argc, char *argv[]) |
1091 | { | |
29d610e1 JA |
1092 | long ps; |
1093 | ||
dbe1125e JA |
1094 | /* |
1095 | * We need locale for number printing, if it isn't set then just | |
1096 | * go with the US format. | |
1097 | */ | |
1098 | if (!getenv("LC_NUMERIC")) | |
1099 | setlocale(LC_NUMERIC, "en_US"); | |
1100 | ||
ebac4655 JA |
1101 | if (parse_options(argc, argv)) |
1102 | return 1; | |
1103 | ||
1104 | if (!thread_number) { | |
3b70d7e5 | 1105 | log_err("Nothing to do\n"); |
ebac4655 JA |
1106 | return 1; |
1107 | } | |
1108 | ||
29d610e1 JA |
1109 | ps = sysconf(_SC_PAGESIZE); |
1110 | if (ps < 0) { | |
1111 | log_err("Failed to get page size\n"); | |
1112 | return 1; | |
1113 | } | |
1114 | ||
1115 | page_mask = ps - 1; | |
1116 | ||
bb3884d8 JA |
1117 | if (write_bw_log) { |
1118 | setup_log(&agg_io_log[DDIR_READ]); | |
1119 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1120 | } | |
1121 | ||
a2f77c9f JA |
1122 | set_genesis_time(); |
1123 | ||
ebac4655 JA |
1124 | disk_util_timer_arm(); |
1125 | ||
1126 | run_threads(); | |
6ce15a32 | 1127 | |
bb3884d8 | 1128 | if (!fio_abort) { |
6ce15a32 | 1129 | show_run_stats(); |
bb3884d8 JA |
1130 | if (write_bw_log) { |
1131 | __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log"); | |
1132 | __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log"); | |
1133 | } | |
1134 | } | |
ebac4655 | 1135 | |
437c9b71 | 1136 | return exit_value; |
ebac4655 | 1137 | } |