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 | { | |
99 | unsigned long spent; | |
100 | unsigned long rate; | |
ebac4655 JA |
101 | |
102 | /* | |
103 | * allow a 2 second settle period in the beginning | |
104 | */ | |
105 | if (mtime_since(&td->start, now) < 2000) | |
106 | return 0; | |
107 | ||
108 | /* | |
109 | * if rate blocks is set, sample is running | |
110 | */ | |
111 | if (td->rate_bytes) { | |
413dd459 JA |
112 | unsigned long long bytes = 0; |
113 | ||
ebac4655 JA |
114 | spent = mtime_since(&td->lastrate, now); |
115 | if (spent < td->ratecycle) | |
116 | return 0; | |
117 | ||
413dd459 JA |
118 | if (td_read(td)) |
119 | bytes += td->this_io_bytes[DDIR_READ]; | |
120 | if (td_write(td)) | |
121 | bytes += td->this_io_bytes[DDIR_WRITE]; | |
122 | ||
123 | if (bytes < td->rate_bytes) { | |
124 | fprintf(f_out, "%s: min rate %u not met\n", td->name, td->ratemin); | |
ebac4655 | 125 | return 1; |
413dd459 JA |
126 | } else { |
127 | rate = (bytes - td->rate_bytes) / spent; | |
128 | if (rate < td->ratemin || bytes < td->rate_bytes) { | |
129 | fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate); | |
130 | return 1; | |
131 | } | |
ebac4655 | 132 | } |
413dd459 | 133 | td->rate_bytes = bytes; |
ebac4655 JA |
134 | } |
135 | ||
ebac4655 JA |
136 | memcpy(&td->lastrate, now, sizeof(*now)); |
137 | return 0; | |
138 | } | |
139 | ||
140 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) | |
141 | { | |
142 | if (!td->timeout) | |
143 | return 0; | |
144 | if (mtime_since(&td->epoch, t) >= td->timeout * 1000) | |
145 | return 1; | |
146 | ||
147 | return 0; | |
148 | } | |
149 | ||
906c8d75 JA |
150 | /* |
151 | * When job exits, we can cancel the in-flight IO if we are using async | |
152 | * io. Attempt to do so. | |
153 | */ | |
ebac4655 JA |
154 | static void cleanup_pending_aio(struct thread_data *td) |
155 | { | |
ebac4655 | 156 | struct list_head *entry, *n; |
ebac4655 JA |
157 | struct io_u *io_u; |
158 | int r; | |
159 | ||
160 | /* | |
161 | * get immediately available events, if any | |
162 | */ | |
b2fdda43 JA |
163 | r = io_u_queued_complete(td, 0, NULL); |
164 | if (r < 0) | |
165 | return; | |
ebac4655 JA |
166 | |
167 | /* | |
168 | * now cancel remaining active events | |
169 | */ | |
2866c82d | 170 | if (td->io_ops->cancel) { |
ebac4655 JA |
171 | list_for_each_safe(entry, n, &td->io_u_busylist) { |
172 | io_u = list_entry(entry, struct io_u, list); | |
173 | ||
0c6e7517 JA |
174 | /* |
175 | * if the io_u isn't in flight, then that generally | |
176 | * means someone leaked an io_u. complain but fix | |
177 | * it up, so we don't stall here. | |
178 | */ | |
179 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
180 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 181 | put_io_u(td, io_u); |
0c6e7517 JA |
182 | } else { |
183 | r = td->io_ops->cancel(td, io_u); | |
184 | if (!r) | |
185 | put_io_u(td, io_u); | |
186 | } | |
ebac4655 JA |
187 | } |
188 | } | |
189 | ||
97601024 | 190 | if (td->cur_depth) |
b2fdda43 | 191 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
ebac4655 JA |
192 | } |
193 | ||
858a3d47 JA |
194 | /* |
195 | * Helper to handle the final sync of a file. Works just like the normal | |
196 | * io path, just does everything sync. | |
197 | */ | |
198 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
199 | { | |
200 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
201 | int ret; |
202 | ||
203 | if (!io_u) | |
204 | return 1; | |
205 | ||
206 | io_u->ddir = DDIR_SYNC; | |
207 | io_u->file = f; | |
208 | ||
209 | if (td_io_prep(td, io_u)) { | |
210 | put_io_u(td, io_u); | |
211 | return 1; | |
212 | } | |
213 | ||
755200a3 | 214 | requeue: |
858a3d47 | 215 | ret = td_io_queue(td, io_u); |
36167d82 | 216 | if (ret < 0) { |
e1161c32 | 217 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 218 | put_io_u(td, io_u); |
858a3d47 | 219 | return 1; |
36167d82 | 220 | } else if (ret == FIO_Q_QUEUED) { |
49db69aa | 221 | if (io_u_queued_complete(td, 1, NULL) < 0) |
36167d82 | 222 | return 1; |
36167d82 JA |
223 | } else if (ret == FIO_Q_COMPLETED) { |
224 | if (io_u->error) { | |
e1161c32 | 225 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
226 | return 1; |
227 | } | |
858a3d47 | 228 | |
b2fdda43 JA |
229 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
230 | return 1; | |
755200a3 JA |
231 | } else if (ret == FIO_Q_BUSY) { |
232 | if (td_io_commit(td)) | |
233 | return 1; | |
234 | goto requeue; | |
858a3d47 JA |
235 | } |
236 | ||
237 | return 0; | |
238 | } | |
239 | ||
906c8d75 JA |
240 | /* |
241 | * The main verify engine. Runs over the writes we previusly submitted, | |
242 | * reads the blocks back in, and checks the crc/md5 of the data. | |
243 | */ | |
1e97cce9 | 244 | static void do_verify(struct thread_data *td) |
ebac4655 | 245 | { |
53cdc686 | 246 | struct fio_file *f; |
36167d82 | 247 | struct io_u *io_u; |
3af6ef39 | 248 | int ret, i, min_events; |
e5b401d4 JA |
249 | |
250 | /* | |
251 | * sync io first and invalidate cache, to make sure we really | |
252 | * read from disk. | |
253 | */ | |
254 | for_each_file(td, f, i) { | |
b2fdda43 JA |
255 | if (fio_io_sync(td, f)) |
256 | break; | |
257 | if (file_invalidate_cache(td, f)) | |
258 | break; | |
e5b401d4 | 259 | } |
ebac4655 | 260 | |
b2fdda43 JA |
261 | if (td->error) |
262 | return; | |
263 | ||
ebac4655 JA |
264 | td_set_runstate(td, TD_VERIFYING); |
265 | ||
36167d82 JA |
266 | io_u = NULL; |
267 | while (!td->terminate) { | |
ebac4655 JA |
268 | io_u = __get_io_u(td); |
269 | if (!io_u) | |
270 | break; | |
271 | ||
069c2918 JA |
272 | if (runtime_exceeded(td, &io_u->start_time)) { |
273 | put_io_u(td, io_u); | |
02bcaa8c | 274 | break; |
069c2918 | 275 | } |
02bcaa8c | 276 | |
069c2918 JA |
277 | if (get_next_verify(td, io_u)) { |
278 | put_io_u(td, io_u); | |
ebac4655 | 279 | break; |
069c2918 | 280 | } |
ebac4655 | 281 | |
069c2918 JA |
282 | if (td_io_prep(td, io_u)) { |
283 | put_io_u(td, io_u); | |
53cdc686 | 284 | break; |
069c2918 | 285 | } |
36167d82 JA |
286 | requeue: |
287 | ret = td_io_queue(td, io_u); | |
53cdc686 | 288 | |
36167d82 JA |
289 | switch (ret) { |
290 | case FIO_Q_COMPLETED: | |
291 | if (io_u->error) | |
22819ec2 | 292 | ret = -io_u->error; |
36167d82 JA |
293 | if (io_u->xfer_buflen != io_u->resid && io_u->resid) { |
294 | int bytes = io_u->xfer_buflen - io_u->resid; | |
ebac4655 | 295 | |
36167d82 JA |
296 | io_u->xfer_buflen = io_u->resid; |
297 | io_u->xfer_buf += bytes; | |
298 | goto requeue; | |
299 | } | |
99784632 | 300 | ret = io_u_sync_complete(td, io_u, verify_io_u); |
49db69aa | 301 | if (ret < 0) |
36167d82 | 302 | break; |
36167d82 JA |
303 | continue; |
304 | case FIO_Q_QUEUED: | |
305 | break; | |
755200a3 JA |
306 | case FIO_Q_BUSY: |
307 | requeue_io_u(td, &io_u); | |
308 | ret = td_io_commit(td); | |
309 | break; | |
36167d82 JA |
310 | default: |
311 | assert(ret < 0); | |
e1161c32 | 312 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
313 | break; |
314 | } | |
315 | ||
99784632 | 316 | if (ret < 0 || td->error) |
3af6ef39 JA |
317 | break; |
318 | ||
ebac4655 | 319 | /* |
3af6ef39 JA |
320 | * if we can queue more, do so. but check if there are |
321 | * completed io_u's first. | |
ebac4655 | 322 | */ |
97601024 | 323 | min_events = 0; |
e916b390 | 324 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
3af6ef39 | 325 | min_events = 1; |
3af6ef39 | 326 | |
e916b390 JA |
327 | if (td->cur_depth > td->iodepth_low) |
328 | min_events = td->cur_depth - td->iodepth_low; | |
329 | } | |
330 | ||
3af6ef39 JA |
331 | /* |
332 | * Reap required number of io units, if any, and do the | |
333 | * verification on them through the callback handler | |
334 | */ | |
49db69aa | 335 | if (io_u_queued_complete(td, min_events, verify_io_u) < 0) |
ebac4655 | 336 | break; |
36167d82 | 337 | } |
ebac4655 | 338 | |
ebac4655 JA |
339 | if (td->cur_depth) |
340 | cleanup_pending_aio(td); | |
341 | ||
342 | td_set_runstate(td, TD_RUNNING); | |
343 | } | |
344 | ||
b990b5c0 JA |
345 | /* |
346 | * Not really an io thread, all it does is burn CPU cycles in the specified | |
347 | * manner. | |
348 | */ | |
349 | static void do_cpuio(struct thread_data *td) | |
350 | { | |
351 | struct timeval e; | |
352 | int split = 100 / td->cpuload; | |
353 | int i = 0; | |
354 | ||
355 | while (!td->terminate) { | |
02bcaa8c | 356 | fio_gettime(&e, NULL); |
b990b5c0 JA |
357 | |
358 | if (runtime_exceeded(td, &e)) | |
359 | break; | |
360 | ||
361 | if (!(i % split)) | |
362 | __usec_sleep(10000); | |
363 | else | |
364 | usec_sleep(td, 10000); | |
365 | ||
366 | i++; | |
367 | } | |
368 | } | |
369 | ||
32cd46a0 | 370 | /* |
906c8d75 | 371 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
372 | * and reaps them, checking for rate and errors along the way. |
373 | */ | |
ebac4655 JA |
374 | static void do_io(struct thread_data *td) |
375 | { | |
02bcaa8c | 376 | struct timeval s; |
ebac4655 | 377 | unsigned long usec; |
84585003 | 378 | int i, ret = 0; |
ebac4655 | 379 | |
5853e5a8 JA |
380 | td_set_runstate(td, TD_RUNNING); |
381 | ||
3951414d | 382 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->io_size) { |
97601024 JA |
383 | struct timeval comp_time; |
384 | long bytes_done = 0; | |
84585003 | 385 | int min_evts = 0; |
ebac4655 JA |
386 | struct io_u *io_u; |
387 | ||
388 | if (td->terminate) | |
389 | break; | |
390 | ||
3d7c391d | 391 | io_u = get_io_u(td); |
ebac4655 JA |
392 | if (!io_u) |
393 | break; | |
394 | ||
395 | memcpy(&s, &io_u->start_time, sizeof(s)); | |
97601024 JA |
396 | |
397 | if (runtime_exceeded(td, &s)) { | |
398 | put_io_u(td, io_u); | |
399 | break; | |
400 | } | |
cec6b55d | 401 | requeue: |
45bee283 | 402 | ret = td_io_queue(td, io_u); |
36167d82 JA |
403 | |
404 | switch (ret) { | |
405 | case FIO_Q_COMPLETED: | |
406 | if (io_u->error) { | |
407 | ret = io_u->error; | |
408 | break; | |
409 | } | |
410 | if (io_u->xfer_buflen != io_u->resid && io_u->resid) { | |
411 | int bytes = io_u->xfer_buflen - io_u->resid; | |
412 | ||
cec6b55d | 413 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 414 | io_u->xfer_buf += bytes; |
cec6b55d | 415 | goto requeue; |
cec6b55d | 416 | } |
97601024 JA |
417 | fio_gettime(&comp_time, NULL); |
418 | bytes_done = io_u_sync_complete(td, io_u, NULL); | |
99784632 JA |
419 | if (bytes_done < 0) |
420 | ret = bytes_done; | |
36167d82 JA |
421 | break; |
422 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
423 | /* |
424 | * if the engine doesn't have a commit hook, | |
425 | * the io_u is really queued. if it does have such | |
426 | * a hook, it has to call io_u_queued() itself. | |
427 | */ | |
428 | if (td->io_ops->commit == NULL) | |
429 | io_u_queued(td, io_u); | |
36167d82 | 430 | break; |
755200a3 JA |
431 | case FIO_Q_BUSY: |
432 | requeue_io_u(td, &io_u); | |
433 | ret = td_io_commit(td); | |
434 | break; | |
36167d82 JA |
435 | default: |
436 | assert(ret < 0); | |
437 | put_io_u(td, io_u); | |
438 | break; | |
ebac4655 JA |
439 | } |
440 | ||
99784632 | 441 | if (ret < 0 || td->error) |
36167d82 JA |
442 | break; |
443 | ||
97601024 JA |
444 | /* |
445 | * See if we need to complete some commands | |
446 | */ | |
755200a3 | 447 | if (ret == FIO_Q_QUEUED || ret == FIO_Q_BUSY) { |
97601024 | 448 | min_evts = 0; |
e916b390 | 449 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
36167d82 | 450 | min_evts = 1; |
ebac4655 | 451 | |
e916b390 JA |
452 | if (td->cur_depth > td->iodepth_low) |
453 | min_evts = td->cur_depth - td->iodepth_low; | |
454 | } | |
455 | ||
97601024 JA |
456 | fio_gettime(&comp_time, NULL); |
457 | bytes_done = io_u_queued_complete(td, min_evts, NULL); | |
458 | if (bytes_done < 0) | |
36167d82 | 459 | break; |
ebac4655 JA |
460 | } |
461 | ||
97601024 JA |
462 | if (!bytes_done) |
463 | continue; | |
464 | ||
ebac4655 JA |
465 | /* |
466 | * the rate is batched for now, it should work for batches | |
467 | * of completions except the very first one which may look | |
468 | * a little bursty | |
469 | */ | |
97601024 | 470 | usec = utime_since(&s, &comp_time); |
ebac4655 | 471 | |
413dd459 | 472 | rate_throttle(td, usec, bytes_done); |
ebac4655 | 473 | |
97601024 | 474 | if (check_min_rate(td, &comp_time)) { |
98aa62d8 | 475 | if (exitall_on_terminate) |
6ce15a32 | 476 | terminate_threads(td->groupid, 0); |
e1161c32 | 477 | td_verror(td, ENODATA, "check_min_rate"); |
ebac4655 JA |
478 | break; |
479 | } | |
480 | ||
9c1f7434 JA |
481 | if (td->thinktime) { |
482 | unsigned long long b; | |
483 | ||
484 | b = td->io_blocks[0] + td->io_blocks[1]; | |
48097d5c JA |
485 | if (!(b % td->thinktime_blocks)) { |
486 | int left; | |
487 | ||
488 | if (td->thinktime_spin) | |
489 | __usec_sleep(td->thinktime_spin); | |
490 | ||
491 | left = td->thinktime - td->thinktime_spin; | |
492 | if (left) | |
493 | usec_sleep(td, left); | |
494 | } | |
9c1f7434 | 495 | } |
ebac4655 JA |
496 | } |
497 | ||
4d2413c6 | 498 | if (!td->error) { |
3d7c391d JA |
499 | struct fio_file *f; |
500 | ||
84585003 JA |
501 | if (td->cur_depth) |
502 | cleanup_pending_aio(td); | |
ebac4655 | 503 | |
84585003 JA |
504 | if (should_fsync(td) && td->end_fsync) { |
505 | td_set_runstate(td, TD_FSYNCING); | |
506 | for_each_file(td, f, i) | |
858a3d47 | 507 | fio_io_sync(td, f); |
84585003 | 508 | } |
5853e5a8 | 509 | } |
ebac4655 JA |
510 | } |
511 | ||
ebac4655 JA |
512 | static void cleanup_io_u(struct thread_data *td) |
513 | { | |
514 | struct list_head *entry, *n; | |
515 | struct io_u *io_u; | |
516 | ||
517 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
518 | io_u = list_entry(entry, struct io_u, list); | |
519 | ||
520 | list_del(&io_u->list); | |
521 | free(io_u); | |
522 | } | |
523 | ||
2f9ade3c | 524 | free_io_mem(td); |
ebac4655 JA |
525 | } |
526 | ||
6b9cea23 JA |
527 | /* |
528 | * "randomly" fill the buffer contents | |
529 | */ | |
66eeb296 | 530 | static void fill_rand_buf(struct io_u *io_u, int max_bs) |
6b9cea23 | 531 | { |
66eeb296 | 532 | int *ptr = io_u->buf; |
6b9cea23 JA |
533 | |
534 | while ((void *) ptr - io_u->buf < max_bs) { | |
535 | *ptr = rand() * 0x9e370001; | |
536 | ptr++; | |
537 | } | |
538 | } | |
539 | ||
ebac4655 JA |
540 | static int init_io_u(struct thread_data *td) |
541 | { | |
542 | struct io_u *io_u; | |
a00735e6 | 543 | unsigned int max_bs; |
ebac4655 JA |
544 | int i, max_units; |
545 | char *p; | |
546 | ||
2866c82d | 547 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
548 | return 0; |
549 | ||
2866c82d | 550 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
551 | max_units = 1; |
552 | else | |
553 | max_units = td->iodepth; | |
554 | ||
a00735e6 | 555 | max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]); |
74b025b0 JA |
556 | td->orig_buffer_size = max_bs * max_units; |
557 | ||
d0bdaf49 | 558 | if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE) |
56bb17f2 | 559 | td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1); |
74b025b0 | 560 | else |
29d610e1 | 561 | td->orig_buffer_size += page_mask; |
ebac4655 | 562 | |
2f9ade3c JA |
563 | if (allocate_io_mem(td)) |
564 | return 1; | |
ebac4655 | 565 | |
ebac4655 JA |
566 | p = ALIGN(td->orig_buffer); |
567 | for (i = 0; i < max_units; i++) { | |
568 | io_u = malloc(sizeof(*io_u)); | |
569 | memset(io_u, 0, sizeof(*io_u)); | |
570 | INIT_LIST_HEAD(&io_u->list); | |
571 | ||
a00735e6 | 572 | io_u->buf = p + max_bs * i; |
6b9cea23 | 573 | if (td_write(td) || td_rw(td)) |
a00735e6 | 574 | fill_rand_buf(io_u, max_bs); |
6b9cea23 | 575 | |
b1ff3403 | 576 | io_u->index = i; |
0c6e7517 | 577 | io_u->flags = IO_U_F_FREE; |
ebac4655 JA |
578 | list_add(&io_u->list, &td->io_u_freelist); |
579 | } | |
580 | ||
433afcb4 JA |
581 | io_u_init_timeout(); |
582 | ||
ebac4655 JA |
583 | return 0; |
584 | } | |
585 | ||
da86774e JA |
586 | static int switch_ioscheduler(struct thread_data *td) |
587 | { | |
588 | char tmp[256], tmp2[128]; | |
589 | FILE *f; | |
590 | int ret; | |
591 | ||
f48b467c JA |
592 | if (td->io_ops->flags & FIO_CPUIO) |
593 | return 0; | |
594 | ||
da86774e JA |
595 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
596 | ||
597 | f = fopen(tmp, "r+"); | |
598 | if (!f) { | |
e1161c32 | 599 | td_verror(td, errno, "fopen"); |
da86774e JA |
600 | return 1; |
601 | } | |
602 | ||
603 | /* | |
604 | * Set io scheduler. | |
605 | */ | |
606 | ret = fwrite(td->ioscheduler, strlen(td->ioscheduler), 1, f); | |
607 | if (ferror(f) || ret != 1) { | |
e1161c32 | 608 | td_verror(td, errno, "fwrite"); |
da86774e JA |
609 | fclose(f); |
610 | return 1; | |
611 | } | |
612 | ||
613 | rewind(f); | |
614 | ||
615 | /* | |
616 | * Read back and check that the selected scheduler is now the default. | |
617 | */ | |
618 | ret = fread(tmp, 1, sizeof(tmp), f); | |
619 | if (ferror(f) || ret < 0) { | |
e1161c32 | 620 | td_verror(td, errno, "fread"); |
da86774e JA |
621 | fclose(f); |
622 | return 1; | |
623 | } | |
624 | ||
625 | sprintf(tmp2, "[%s]", td->ioscheduler); | |
626 | if (!strstr(tmp, tmp2)) { | |
3b70d7e5 | 627 | log_err("fio: io scheduler %s not found\n", td->ioscheduler); |
e1161c32 | 628 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
629 | fclose(f); |
630 | return 1; | |
631 | } | |
632 | ||
633 | fclose(f); | |
634 | return 0; | |
635 | } | |
636 | ||
ebac4655 JA |
637 | static void clear_io_state(struct thread_data *td) |
638 | { | |
53cdc686 JA |
639 | struct fio_file *f; |
640 | int i; | |
ebac4655 | 641 | |
079ad09b | 642 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 643 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 644 | td->zone_bytes = 0; |
ebac4655 | 645 | |
c1324df1 JA |
646 | td->last_was_sync = 0; |
647 | ||
53cdc686 | 648 | for_each_file(td, f, i) { |
c1324df1 JA |
649 | f->last_completed_pos = 0; |
650 | ||
53cdc686 JA |
651 | f->last_pos = 0; |
652 | if (td->io_ops->flags & FIO_SYNCIO) | |
653 | lseek(f->fd, SEEK_SET, 0); | |
654 | ||
655 | if (f->file_map) | |
656 | memset(f->file_map, 0, f->num_maps * sizeof(long)); | |
657 | } | |
ebac4655 JA |
658 | } |
659 | ||
906c8d75 JA |
660 | /* |
661 | * Entry point for the thread based jobs. The process based jobs end up | |
662 | * here as well, after a little setup. | |
663 | */ | |
ebac4655 JA |
664 | static void *thread_main(void *data) |
665 | { | |
69008999 | 666 | unsigned long long runtime[2]; |
ebac4655 | 667 | struct thread_data *td = data; |
ebac4655 JA |
668 | |
669 | if (!td->use_thread) | |
670 | setsid(); | |
671 | ||
672 | td->pid = getpid(); | |
673 | ||
aea47d44 JA |
674 | INIT_LIST_HEAD(&td->io_u_freelist); |
675 | INIT_LIST_HEAD(&td->io_u_busylist); | |
755200a3 | 676 | INIT_LIST_HEAD(&td->io_u_requeues); |
aea47d44 JA |
677 | INIT_LIST_HEAD(&td->io_hist_list); |
678 | INIT_LIST_HEAD(&td->io_log_list); | |
679 | ||
ebac4655 JA |
680 | if (init_io_u(td)) |
681 | goto err; | |
682 | ||
683 | if (fio_setaffinity(td) == -1) { | |
e1161c32 | 684 | td_verror(td, errno, "cpu_set_affinity"); |
ebac4655 JA |
685 | goto err; |
686 | } | |
687 | ||
aea47d44 JA |
688 | if (init_iolog(td)) |
689 | goto err; | |
690 | ||
ebac4655 JA |
691 | if (td->ioprio) { |
692 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { | |
e1161c32 | 693 | td_verror(td, errno, "ioprio_set"); |
ebac4655 JA |
694 | goto err; |
695 | } | |
696 | } | |
697 | ||
1056eaad | 698 | if (nice(td->nice) == -1) { |
e1161c32 | 699 | td_verror(td, errno, "nice"); |
b6f4d880 JA |
700 | goto err; |
701 | } | |
702 | ||
75154845 JA |
703 | if (init_random_state(td)) |
704 | goto err; | |
705 | ||
56f9498d JA |
706 | if (td->ioscheduler && switch_ioscheduler(td)) |
707 | goto err; | |
da86774e | 708 | |
75154845 | 709 | td_set_runstate(td, TD_INITIALIZED); |
bbfd6b00 JA |
710 | fio_sem_up(&startup_sem); |
711 | fio_sem_down(&td->mutex); | |
ebac4655 | 712 | |
53cdc686 | 713 | if (!td->create_serialize && setup_files(td)) |
ebac4655 | 714 | goto err; |
21972cde JA |
715 | if (open_files(td)) |
716 | goto err; | |
ebac4655 | 717 | |
7d6c5283 JA |
718 | /* |
719 | * Do this late, as some IO engines would like to have the | |
720 | * files setup prior to initializing structures. | |
721 | */ | |
722 | if (td_io_init(td)) | |
723 | goto err; | |
724 | ||
69cfd7e0 JA |
725 | if (td->exec_prerun) { |
726 | if (system(td->exec_prerun) < 0) | |
727 | goto err; | |
728 | } | |
4e0ba8af | 729 | |
69008999 | 730 | fio_gettime(&td->epoch, NULL); |
433afcb4 | 731 | memcpy(&td->timeout_end, &td->epoch, sizeof(td->epoch)); |
079ad09b | 732 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
733 | |
734 | runtime[0] = runtime[1] = 0; | |
ebac4655 | 735 | while (td->loops--) { |
02bcaa8c | 736 | fio_gettime(&td->start, NULL); |
079ad09b | 737 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
ebac4655 JA |
738 | |
739 | if (td->ratemin) | |
079ad09b | 740 | memcpy(&td->lastrate, &td->ts.stat_sample_time, sizeof(td->lastrate)); |
ebac4655 JA |
741 | |
742 | clear_io_state(td); | |
743 | prune_io_piece_log(td); | |
744 | ||
2866c82d | 745 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
746 | do_cpuio(td); |
747 | else | |
748 | do_io(td); | |
ebac4655 | 749 | |
413dd459 JA |
750 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
751 | runtime[DDIR_READ] += utime_since_now(&td->start); | |
752 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
753 | runtime[DDIR_WRITE] += utime_since_now(&td->start); | |
754 | ||
ebac4655 JA |
755 | if (td->error || td->terminate) |
756 | break; | |
757 | ||
758 | if (td->verify == VERIFY_NONE) | |
759 | continue; | |
760 | ||
761 | clear_io_state(td); | |
02bcaa8c | 762 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
763 | |
764 | do_verify(td); | |
765 | ||
69008999 | 766 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
767 | |
768 | if (td->error || td->terminate) | |
769 | break; | |
770 | } | |
771 | ||
36dff966 | 772 | update_rusage_stat(td); |
69008999 JA |
773 | fio_gettime(&td->end_time, NULL); |
774 | td->runtime[0] = runtime[0] / 1000; | |
775 | td->runtime[1] = runtime[1] / 1000; | |
776 | ||
079ad09b JA |
777 | if (td->ts.bw_log) |
778 | finish_log(td, td->ts.bw_log, "bw"); | |
779 | if (td->ts.slat_log) | |
780 | finish_log(td, td->ts.slat_log, "slat"); | |
781 | if (td->ts.clat_log) | |
782 | finish_log(td, td->ts.clat_log, "clat"); | |
076efc7c | 783 | if (td->write_iolog_file) |
843a7413 | 784 | write_iolog_close(td); |
69cfd7e0 JA |
785 | if (td->exec_postrun) { |
786 | if (system(td->exec_postrun) < 0) | |
787 | log_err("fio: postrun %s failed\n", td->exec_postrun); | |
788 | } | |
ebac4655 JA |
789 | |
790 | if (exitall_on_terminate) | |
6ce15a32 | 791 | terminate_threads(td->groupid, 0); |
ebac4655 JA |
792 | |
793 | err: | |
5bf13a5a JA |
794 | if (td->error) |
795 | printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
53cdc686 | 796 | close_files(td); |
2866c82d | 797 | close_ioengine(td); |
ebac4655 | 798 | cleanup_io_u(td); |
ebac4655 | 799 | td_set_runstate(td, TD_EXITED); |
43d76807 | 800 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
801 | } |
802 | ||
906c8d75 JA |
803 | /* |
804 | * We cannot pass the td data into a forked process, so attach the td and | |
805 | * pass it to the thread worker. | |
806 | */ | |
a6418147 | 807 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
808 | { |
809 | struct thread_data *td; | |
a6418147 | 810 | void *data, *ret; |
ebac4655 JA |
811 | |
812 | data = shmat(shmid, NULL, 0); | |
813 | if (data == (void *) -1) { | |
a6418147 JA |
814 | int __err = errno; |
815 | ||
ebac4655 | 816 | perror("shmat"); |
a6418147 | 817 | return __err; |
ebac4655 JA |
818 | } |
819 | ||
820 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 821 | ret = thread_main(td); |
ebac4655 | 822 | shmdt(data); |
43d76807 | 823 | return (int) (unsigned long) ret; |
ebac4655 JA |
824 | } |
825 | ||
906c8d75 JA |
826 | /* |
827 | * Run over the job map and reap the threads that have exited, if any. | |
828 | */ | |
ebac4655 JA |
829 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
830 | { | |
34572e28 | 831 | struct thread_data *td; |
fab6aa71 | 832 | int i, cputhreads, pending, status, ret; |
ebac4655 JA |
833 | |
834 | /* | |
835 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
836 | */ | |
4d2413c6 | 837 | pending = cputhreads = 0; |
34572e28 | 838 | for_each_td(td, i) { |
3707f45b | 839 | int flags = 0; |
a2f77c9f | 840 | |
84585003 JA |
841 | /* |
842 | * ->io_ops is NULL for a thread that has closed its | |
843 | * io engine | |
844 | */ | |
845 | if (td->io_ops && td->io_ops->flags & FIO_CPUIO) | |
b990b5c0 JA |
846 | cputhreads++; |
847 | ||
a2f77c9f JA |
848 | if (!td->pid || td->runstate == TD_REAPED) |
849 | continue; | |
3707f45b JA |
850 | if (td->use_thread) { |
851 | if (td->runstate == TD_EXITED) { | |
852 | td_set_runstate(td, TD_REAPED); | |
853 | goto reaped; | |
854 | } | |
855 | continue; | |
856 | } | |
a2f77c9f JA |
857 | |
858 | flags = WNOHANG; | |
859 | if (td->runstate == TD_EXITED) | |
860 | flags = 0; | |
861 | ||
862 | /* | |
863 | * check if someone quit or got killed in an unusual way | |
864 | */ | |
865 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 866 | if (ret < 0) { |
a2f77c9f JA |
867 | if (errno == ECHILD) { |
868 | log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate); | |
869 | td_set_runstate(td, TD_REAPED); | |
870 | goto reaped; | |
871 | } | |
872 | perror("waitpid"); | |
873 | } else if (ret == td->pid) { | |
874 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
875 | int sig = WTERMSIG(status); |
876 | ||
877 | log_err("fio: pid=%d, got signal=%d\n", td->pid, sig); | |
878 | td_set_runstate(td, TD_REAPED); | |
879 | goto reaped; | |
880 | } | |
a2f77c9f JA |
881 | if (WIFEXITED(status)) { |
882 | if (WEXITSTATUS(status) && !td->error) | |
883 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 884 | |
a2f77c9f JA |
885 | td_set_runstate(td, TD_REAPED); |
886 | goto reaped; | |
a6418147 JA |
887 | } |
888 | } | |
ebac4655 | 889 | |
a2f77c9f JA |
890 | /* |
891 | * thread is not dead, continue | |
892 | */ | |
893 | continue; | |
fab6aa71 | 894 | reaped: |
3707f45b JA |
895 | if (td->use_thread) { |
896 | long ret; | |
897 | ||
898 | if (pthread_join(td->thread, (void *) &ret)) | |
899 | perror("pthread_join"); | |
900 | } | |
901 | ||
ebac4655 JA |
902 | (*nr_running)--; |
903 | (*m_rate) -= td->ratemin; | |
904 | (*t_rate) -= td->rate; | |
a2f77c9f JA |
905 | |
906 | if (td->error) | |
907 | exit_value++; | |
ebac4655 | 908 | } |
b990b5c0 | 909 | |
4d2413c6 | 910 | if (*nr_running == cputhreads && !pending) |
6ce15a32 | 911 | terminate_threads(TERMINATE_ALL, 0); |
ebac4655 JA |
912 | } |
913 | ||
906c8d75 JA |
914 | /* |
915 | * Main function for kicking off and reaping jobs, as needed. | |
916 | */ | |
ebac4655 JA |
917 | static void run_threads(void) |
918 | { | |
ebac4655 JA |
919 | struct thread_data *td; |
920 | unsigned long spent; | |
921 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 922 | |
2f9ade3c JA |
923 | if (fio_pin_memory()) |
924 | return; | |
ebac4655 | 925 | |
c6ae0a5b JA |
926 | if (!terse_output) { |
927 | printf("Starting %d thread%s\n", thread_number, thread_number > 1 ? "s" : ""); | |
928 | fflush(stdout); | |
929 | } | |
c04f7ec3 | 930 | |
4efa970e JA |
931 | signal(SIGINT, sig_handler); |
932 | signal(SIGALRM, sig_handler); | |
933 | ||
ebac4655 JA |
934 | todo = thread_number; |
935 | nr_running = 0; | |
936 | nr_started = 0; | |
937 | m_rate = t_rate = 0; | |
938 | ||
34572e28 | 939 | for_each_td(td, i) { |
263e529f | 940 | print_status_init(td->thread_number - 1); |
ebac4655 | 941 | |
380cf265 JA |
942 | if (!td->create_serialize) { |
943 | init_disk_util(td); | |
ebac4655 | 944 | continue; |
380cf265 | 945 | } |
ebac4655 JA |
946 | |
947 | /* | |
948 | * do file setup here so it happens sequentially, | |
949 | * we don't want X number of threads getting their | |
950 | * client data interspersed on disk | |
951 | */ | |
53cdc686 | 952 | if (setup_files(td)) { |
5bf13a5a JA |
953 | exit_value++; |
954 | if (td->error) | |
955 | log_err("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
ebac4655 JA |
956 | td_set_runstate(td, TD_REAPED); |
957 | todo--; | |
958 | } | |
380cf265 JA |
959 | |
960 | init_disk_util(td); | |
ebac4655 JA |
961 | } |
962 | ||
a2f77c9f JA |
963 | set_genesis_time(); |
964 | ||
ebac4655 | 965 | while (todo) { |
75154845 JA |
966 | struct thread_data *map[MAX_JOBS]; |
967 | struct timeval this_start; | |
968 | int this_jobs = 0, left; | |
969 | ||
ebac4655 JA |
970 | /* |
971 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
972 | */ | |
34572e28 | 973 | for_each_td(td, i) { |
ebac4655 JA |
974 | if (td->runstate != TD_NOT_CREATED) |
975 | continue; | |
976 | ||
977 | /* | |
978 | * never got a chance to start, killed by other | |
979 | * thread for some reason | |
980 | */ | |
981 | if (td->terminate) { | |
982 | todo--; | |
983 | continue; | |
984 | } | |
985 | ||
986 | if (td->start_delay) { | |
263e529f | 987 | spent = mtime_since_genesis(); |
ebac4655 JA |
988 | |
989 | if (td->start_delay * 1000 > spent) | |
990 | continue; | |
991 | } | |
992 | ||
993 | if (td->stonewall && (nr_started || nr_running)) | |
994 | break; | |
995 | ||
75154845 JA |
996 | /* |
997 | * Set state to created. Thread will transition | |
998 | * to TD_INITIALIZED when it's done setting up. | |
999 | */ | |
ebac4655 | 1000 | td_set_runstate(td, TD_CREATED); |
75154845 | 1001 | map[this_jobs++] = td; |
bbfd6b00 | 1002 | fio_sem_init(&startup_sem, 1); |
ebac4655 JA |
1003 | nr_started++; |
1004 | ||
1005 | if (td->use_thread) { | |
1006 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
1007 | perror("thread_create"); | |
1008 | nr_started--; | |
1009 | } | |
1010 | } else { | |
1011 | if (fork()) | |
bbfd6b00 | 1012 | fio_sem_down(&startup_sem); |
ebac4655 | 1013 | else { |
a6418147 JA |
1014 | int ret = fork_main(shm_id, i); |
1015 | ||
1016 | exit(ret); | |
ebac4655 JA |
1017 | } |
1018 | } | |
1019 | } | |
1020 | ||
1021 | /* | |
75154845 JA |
1022 | * Wait for the started threads to transition to |
1023 | * TD_INITIALIZED. | |
ebac4655 | 1024 | */ |
02bcaa8c | 1025 | fio_gettime(&this_start, NULL); |
75154845 | 1026 | left = this_jobs; |
6ce15a32 | 1027 | while (left && !fio_abort) { |
75154845 JA |
1028 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1029 | break; | |
1030 | ||
1031 | usleep(100000); | |
1032 | ||
1033 | for (i = 0; i < this_jobs; i++) { | |
1034 | td = map[i]; | |
1035 | if (!td) | |
1036 | continue; | |
b6f4d880 | 1037 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1038 | map[i] = NULL; |
1039 | left--; | |
b6f4d880 JA |
1040 | } else if (td->runstate >= TD_EXITED) { |
1041 | map[i] = NULL; | |
1042 | left--; | |
1043 | todo--; | |
1044 | nr_running++; /* work-around... */ | |
75154845 JA |
1045 | } |
1046 | } | |
1047 | } | |
1048 | ||
1049 | if (left) { | |
3b70d7e5 | 1050 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1051 | for (i = 0; i < this_jobs; i++) { |
1052 | td = map[i]; | |
1053 | if (!td) | |
1054 | continue; | |
1055 | kill(td->pid, SIGTERM); | |
1056 | } | |
1057 | break; | |
1058 | } | |
1059 | ||
1060 | /* | |
b6f4d880 | 1061 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1062 | */ |
34572e28 | 1063 | for_each_td(td, i) { |
75154845 | 1064 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1065 | continue; |
1066 | ||
1067 | td_set_runstate(td, TD_RUNNING); | |
1068 | nr_running++; | |
1069 | nr_started--; | |
1070 | m_rate += td->ratemin; | |
1071 | t_rate += td->rate; | |
75154845 | 1072 | todo--; |
bbfd6b00 | 1073 | fio_sem_up(&td->mutex); |
ebac4655 JA |
1074 | } |
1075 | ||
1076 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1077 | ||
1078 | if (todo) | |
1079 | usleep(100000); | |
1080 | } | |
1081 | ||
1082 | while (nr_running) { | |
1083 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1084 | usleep(10000); | |
1085 | } | |
1086 | ||
1087 | update_io_ticks(); | |
2f9ade3c | 1088 | fio_unpin_memory(); |
ebac4655 JA |
1089 | } |
1090 | ||
ebac4655 JA |
1091 | int main(int argc, char *argv[]) |
1092 | { | |
29d610e1 JA |
1093 | long ps; |
1094 | ||
dbe1125e JA |
1095 | /* |
1096 | * We need locale for number printing, if it isn't set then just | |
1097 | * go with the US format. | |
1098 | */ | |
1099 | if (!getenv("LC_NUMERIC")) | |
1100 | setlocale(LC_NUMERIC, "en_US"); | |
1101 | ||
ebac4655 JA |
1102 | if (parse_options(argc, argv)) |
1103 | return 1; | |
1104 | ||
1105 | if (!thread_number) { | |
3b70d7e5 | 1106 | log_err("Nothing to do\n"); |
ebac4655 JA |
1107 | return 1; |
1108 | } | |
1109 | ||
29d610e1 JA |
1110 | ps = sysconf(_SC_PAGESIZE); |
1111 | if (ps < 0) { | |
1112 | log_err("Failed to get page size\n"); | |
1113 | return 1; | |
1114 | } | |
1115 | ||
1116 | page_mask = ps - 1; | |
1117 | ||
bb3884d8 JA |
1118 | if (write_bw_log) { |
1119 | setup_log(&agg_io_log[DDIR_READ]); | |
1120 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1121 | } | |
1122 | ||
a2f77c9f JA |
1123 | set_genesis_time(); |
1124 | ||
ebac4655 JA |
1125 | disk_util_timer_arm(); |
1126 | ||
1127 | run_threads(); | |
6ce15a32 | 1128 | |
bb3884d8 | 1129 | if (!fio_abort) { |
6ce15a32 | 1130 | show_run_stats(); |
bb3884d8 JA |
1131 | if (write_bw_log) { |
1132 | __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log"); | |
1133 | __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log"); | |
1134 | } | |
1135 | } | |
ebac4655 | 1136 | |
437c9b71 | 1137 | return exit_value; |
ebac4655 | 1138 | } |