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 | 102 | |
780bf1a1 JA |
103 | /* |
104 | * No minimum rate set, always ok | |
105 | */ | |
106 | if (!td->ratemin) | |
107 | return 0; | |
108 | ||
ebac4655 JA |
109 | /* |
110 | * allow a 2 second settle period in the beginning | |
111 | */ | |
112 | if (mtime_since(&td->start, now) < 2000) | |
113 | return 0; | |
114 | ||
0904200b JA |
115 | if (td_read(td)) |
116 | bytes += td->this_io_bytes[DDIR_READ]; | |
117 | if (td_write(td)) | |
118 | bytes += td->this_io_bytes[DDIR_WRITE]; | |
119 | ||
ebac4655 JA |
120 | /* |
121 | * if rate blocks is set, sample is running | |
122 | */ | |
123 | if (td->rate_bytes) { | |
124 | spent = mtime_since(&td->lastrate, now); | |
125 | if (spent < td->ratecycle) | |
126 | return 0; | |
127 | ||
413dd459 JA |
128 | if (bytes < td->rate_bytes) { |
129 | fprintf(f_out, "%s: min rate %u not met\n", td->name, td->ratemin); | |
ebac4655 | 130 | return 1; |
413dd459 JA |
131 | } else { |
132 | rate = (bytes - td->rate_bytes) / spent; | |
133 | if (rate < td->ratemin || bytes < td->rate_bytes) { | |
134 | fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate); | |
135 | return 1; | |
136 | } | |
ebac4655 JA |
137 | } |
138 | } | |
139 | ||
0904200b | 140 | td->rate_bytes = bytes; |
ebac4655 JA |
141 | memcpy(&td->lastrate, now, sizeof(*now)); |
142 | return 0; | |
143 | } | |
144 | ||
145 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) | |
146 | { | |
147 | if (!td->timeout) | |
148 | return 0; | |
149 | if (mtime_since(&td->epoch, t) >= td->timeout * 1000) | |
150 | return 1; | |
151 | ||
152 | return 0; | |
153 | } | |
154 | ||
906c8d75 JA |
155 | /* |
156 | * When job exits, we can cancel the in-flight IO if we are using async | |
157 | * io. Attempt to do so. | |
158 | */ | |
ebac4655 JA |
159 | static void cleanup_pending_aio(struct thread_data *td) |
160 | { | |
ebac4655 | 161 | struct list_head *entry, *n; |
ebac4655 JA |
162 | struct io_u *io_u; |
163 | int r; | |
164 | ||
165 | /* | |
166 | * get immediately available events, if any | |
167 | */ | |
d7762cf8 | 168 | r = io_u_queued_complete(td, 0); |
b2fdda43 JA |
169 | if (r < 0) |
170 | return; | |
ebac4655 JA |
171 | |
172 | /* | |
173 | * now cancel remaining active events | |
174 | */ | |
2866c82d | 175 | if (td->io_ops->cancel) { |
ebac4655 JA |
176 | list_for_each_safe(entry, n, &td->io_u_busylist) { |
177 | io_u = list_entry(entry, struct io_u, list); | |
178 | ||
0c6e7517 JA |
179 | /* |
180 | * if the io_u isn't in flight, then that generally | |
181 | * means someone leaked an io_u. complain but fix | |
182 | * it up, so we don't stall here. | |
183 | */ | |
184 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
185 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 186 | put_io_u(td, io_u); |
0c6e7517 JA |
187 | } else { |
188 | r = td->io_ops->cancel(td, io_u); | |
189 | if (!r) | |
190 | put_io_u(td, io_u); | |
191 | } | |
ebac4655 JA |
192 | } |
193 | } | |
194 | ||
97601024 | 195 | if (td->cur_depth) |
d7762cf8 | 196 | r = io_u_queued_complete(td, td->cur_depth); |
ebac4655 JA |
197 | } |
198 | ||
858a3d47 JA |
199 | /* |
200 | * Helper to handle the final sync of a file. Works just like the normal | |
201 | * io path, just does everything sync. | |
202 | */ | |
203 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
204 | { | |
205 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
206 | int ret; |
207 | ||
208 | if (!io_u) | |
209 | return 1; | |
210 | ||
211 | io_u->ddir = DDIR_SYNC; | |
212 | io_u->file = f; | |
213 | ||
214 | if (td_io_prep(td, io_u)) { | |
215 | put_io_u(td, io_u); | |
216 | return 1; | |
217 | } | |
218 | ||
755200a3 | 219 | requeue: |
858a3d47 | 220 | ret = td_io_queue(td, io_u); |
36167d82 | 221 | if (ret < 0) { |
e1161c32 | 222 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 223 | put_io_u(td, io_u); |
858a3d47 | 224 | return 1; |
36167d82 | 225 | } else if (ret == FIO_Q_QUEUED) { |
d7762cf8 | 226 | if (io_u_queued_complete(td, 1) < 0) |
36167d82 | 227 | return 1; |
36167d82 JA |
228 | } else if (ret == FIO_Q_COMPLETED) { |
229 | if (io_u->error) { | |
e1161c32 | 230 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
231 | return 1; |
232 | } | |
858a3d47 | 233 | |
d7762cf8 | 234 | if (io_u_sync_complete(td, io_u) < 0) |
b2fdda43 | 235 | return 1; |
755200a3 JA |
236 | } else if (ret == FIO_Q_BUSY) { |
237 | if (td_io_commit(td)) | |
238 | return 1; | |
239 | goto requeue; | |
858a3d47 JA |
240 | } |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
906c8d75 | 245 | /* |
34403fb1 | 246 | * The main verify engine. Runs over the writes we previously submitted, |
906c8d75 JA |
247 | * reads the blocks back in, and checks the crc/md5 of the data. |
248 | */ | |
1e97cce9 | 249 | static void do_verify(struct thread_data *td) |
ebac4655 | 250 | { |
53cdc686 | 251 | struct fio_file *f; |
36167d82 | 252 | struct io_u *io_u; |
3af6ef39 | 253 | int ret, i, min_events; |
e5b401d4 JA |
254 | |
255 | /* | |
256 | * sync io first and invalidate cache, to make sure we really | |
257 | * read from disk. | |
258 | */ | |
259 | for_each_file(td, f, i) { | |
b2fdda43 JA |
260 | if (fio_io_sync(td, f)) |
261 | break; | |
262 | if (file_invalidate_cache(td, f)) | |
263 | break; | |
e5b401d4 | 264 | } |
ebac4655 | 265 | |
b2fdda43 JA |
266 | if (td->error) |
267 | return; | |
268 | ||
ebac4655 JA |
269 | td_set_runstate(td, TD_VERIFYING); |
270 | ||
36167d82 JA |
271 | io_u = NULL; |
272 | while (!td->terminate) { | |
ebac4655 JA |
273 | io_u = __get_io_u(td); |
274 | if (!io_u) | |
275 | break; | |
276 | ||
069c2918 JA |
277 | if (runtime_exceeded(td, &io_u->start_time)) { |
278 | put_io_u(td, io_u); | |
02bcaa8c | 279 | break; |
069c2918 | 280 | } |
02bcaa8c | 281 | |
069c2918 JA |
282 | if (get_next_verify(td, io_u)) { |
283 | put_io_u(td, io_u); | |
ebac4655 | 284 | break; |
069c2918 | 285 | } |
ebac4655 | 286 | |
069c2918 JA |
287 | if (td_io_prep(td, io_u)) { |
288 | put_io_u(td, io_u); | |
53cdc686 | 289 | break; |
069c2918 | 290 | } |
d7762cf8 JA |
291 | |
292 | io_u->end_io = verify_io_u; | |
36167d82 JA |
293 | requeue: |
294 | ret = td_io_queue(td, io_u); | |
53cdc686 | 295 | |
36167d82 JA |
296 | switch (ret) { |
297 | case FIO_Q_COMPLETED: | |
298 | if (io_u->error) | |
22819ec2 | 299 | ret = -io_u->error; |
36167d82 JA |
300 | if (io_u->xfer_buflen != io_u->resid && io_u->resid) { |
301 | int bytes = io_u->xfer_buflen - io_u->resid; | |
ebac4655 | 302 | |
36167d82 JA |
303 | io_u->xfer_buflen = io_u->resid; |
304 | io_u->xfer_buf += bytes; | |
305 | goto requeue; | |
306 | } | |
d7762cf8 | 307 | ret = io_u_sync_complete(td, io_u); |
49db69aa | 308 | if (ret < 0) |
36167d82 | 309 | break; |
36167d82 JA |
310 | continue; |
311 | case FIO_Q_QUEUED: | |
312 | break; | |
755200a3 JA |
313 | case FIO_Q_BUSY: |
314 | requeue_io_u(td, &io_u); | |
315 | ret = td_io_commit(td); | |
316 | break; | |
36167d82 JA |
317 | default: |
318 | assert(ret < 0); | |
e1161c32 | 319 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
320 | break; |
321 | } | |
322 | ||
99784632 | 323 | if (ret < 0 || td->error) |
3af6ef39 JA |
324 | break; |
325 | ||
ebac4655 | 326 | /* |
3af6ef39 JA |
327 | * if we can queue more, do so. but check if there are |
328 | * completed io_u's first. | |
ebac4655 | 329 | */ |
97601024 | 330 | min_events = 0; |
e916b390 | 331 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
3af6ef39 | 332 | min_events = 1; |
3af6ef39 | 333 | |
e916b390 JA |
334 | if (td->cur_depth > td->iodepth_low) |
335 | min_events = td->cur_depth - td->iodepth_low; | |
336 | } | |
337 | ||
3af6ef39 JA |
338 | /* |
339 | * Reap required number of io units, if any, and do the | |
340 | * verification on them through the callback handler | |
341 | */ | |
d7762cf8 | 342 | if (io_u_queued_complete(td, min_events) < 0) |
ebac4655 | 343 | break; |
36167d82 | 344 | } |
ebac4655 | 345 | |
c01c0395 JA |
346 | if (!td->error) { |
347 | min_events = td->cur_depth; | |
348 | ||
349 | if (min_events) | |
350 | ret = io_u_queued_complete(td, min_events); | |
351 | } else | |
ebac4655 JA |
352 | cleanup_pending_aio(td); |
353 | ||
354 | td_set_runstate(td, TD_RUNNING); | |
355 | } | |
356 | ||
b990b5c0 JA |
357 | /* |
358 | * Not really an io thread, all it does is burn CPU cycles in the specified | |
359 | * manner. | |
360 | */ | |
361 | static void do_cpuio(struct thread_data *td) | |
362 | { | |
363 | struct timeval e; | |
364 | int split = 100 / td->cpuload; | |
365 | int i = 0; | |
366 | ||
367 | while (!td->terminate) { | |
02bcaa8c | 368 | fio_gettime(&e, NULL); |
b990b5c0 JA |
369 | |
370 | if (runtime_exceeded(td, &e)) | |
371 | break; | |
372 | ||
373 | if (!(i % split)) | |
374 | __usec_sleep(10000); | |
375 | else | |
376 | usec_sleep(td, 10000); | |
377 | ||
378 | i++; | |
379 | } | |
380 | } | |
381 | ||
32cd46a0 | 382 | /* |
906c8d75 | 383 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
384 | * and reaps them, checking for rate and errors along the way. |
385 | */ | |
ebac4655 JA |
386 | static void do_io(struct thread_data *td) |
387 | { | |
02bcaa8c | 388 | struct timeval s; |
ebac4655 | 389 | unsigned long usec; |
84585003 | 390 | int i, ret = 0; |
ebac4655 | 391 | |
5853e5a8 JA |
392 | td_set_runstate(td, TD_RUNNING); |
393 | ||
3951414d | 394 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->io_size) { |
97601024 JA |
395 | struct timeval comp_time; |
396 | long bytes_done = 0; | |
84585003 | 397 | int min_evts = 0; |
ebac4655 JA |
398 | struct io_u *io_u; |
399 | ||
400 | if (td->terminate) | |
401 | break; | |
402 | ||
3d7c391d | 403 | io_u = get_io_u(td); |
ebac4655 JA |
404 | if (!io_u) |
405 | break; | |
406 | ||
407 | memcpy(&s, &io_u->start_time, sizeof(s)); | |
97601024 JA |
408 | |
409 | if (runtime_exceeded(td, &s)) { | |
410 | put_io_u(td, io_u); | |
411 | break; | |
412 | } | |
cec6b55d | 413 | requeue: |
45bee283 | 414 | ret = td_io_queue(td, io_u); |
36167d82 JA |
415 | |
416 | switch (ret) { | |
417 | case FIO_Q_COMPLETED: | |
418 | if (io_u->error) { | |
419 | ret = io_u->error; | |
420 | break; | |
421 | } | |
422 | if (io_u->xfer_buflen != io_u->resid && io_u->resid) { | |
423 | int bytes = io_u->xfer_buflen - io_u->resid; | |
424 | ||
cec6b55d | 425 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 426 | io_u->xfer_buf += bytes; |
cec6b55d | 427 | goto requeue; |
cec6b55d | 428 | } |
97601024 | 429 | fio_gettime(&comp_time, NULL); |
d7762cf8 | 430 | bytes_done = io_u_sync_complete(td, io_u); |
99784632 JA |
431 | if (bytes_done < 0) |
432 | ret = bytes_done; | |
36167d82 JA |
433 | break; |
434 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
435 | /* |
436 | * if the engine doesn't have a commit hook, | |
437 | * the io_u is really queued. if it does have such | |
438 | * a hook, it has to call io_u_queued() itself. | |
439 | */ | |
440 | if (td->io_ops->commit == NULL) | |
441 | io_u_queued(td, io_u); | |
36167d82 | 442 | break; |
755200a3 JA |
443 | case FIO_Q_BUSY: |
444 | requeue_io_u(td, &io_u); | |
445 | ret = td_io_commit(td); | |
446 | break; | |
36167d82 JA |
447 | default: |
448 | assert(ret < 0); | |
449 | put_io_u(td, io_u); | |
450 | break; | |
ebac4655 JA |
451 | } |
452 | ||
99784632 | 453 | if (ret < 0 || td->error) |
36167d82 JA |
454 | break; |
455 | ||
97601024 JA |
456 | /* |
457 | * See if we need to complete some commands | |
458 | */ | |
755200a3 | 459 | if (ret == FIO_Q_QUEUED || ret == FIO_Q_BUSY) { |
97601024 | 460 | min_evts = 0; |
e916b390 | 461 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
36167d82 | 462 | min_evts = 1; |
ebac4655 | 463 | |
e916b390 JA |
464 | if (td->cur_depth > td->iodepth_low) |
465 | min_evts = td->cur_depth - td->iodepth_low; | |
466 | } | |
467 | ||
97601024 | 468 | fio_gettime(&comp_time, NULL); |
d7762cf8 | 469 | bytes_done = io_u_queued_complete(td, min_evts); |
97601024 | 470 | if (bytes_done < 0) |
36167d82 | 471 | break; |
ebac4655 JA |
472 | } |
473 | ||
97601024 JA |
474 | if (!bytes_done) |
475 | continue; | |
476 | ||
ebac4655 JA |
477 | /* |
478 | * the rate is batched for now, it should work for batches | |
479 | * of completions except the very first one which may look | |
480 | * a little bursty | |
481 | */ | |
97601024 | 482 | usec = utime_since(&s, &comp_time); |
ebac4655 | 483 | |
413dd459 | 484 | rate_throttle(td, usec, bytes_done); |
ebac4655 | 485 | |
97601024 | 486 | if (check_min_rate(td, &comp_time)) { |
98aa62d8 | 487 | if (exitall_on_terminate) |
6ce15a32 | 488 | terminate_threads(td->groupid, 0); |
e1161c32 | 489 | td_verror(td, ENODATA, "check_min_rate"); |
ebac4655 JA |
490 | break; |
491 | } | |
492 | ||
9c1f7434 JA |
493 | if (td->thinktime) { |
494 | unsigned long long b; | |
495 | ||
496 | b = td->io_blocks[0] + td->io_blocks[1]; | |
48097d5c JA |
497 | if (!(b % td->thinktime_blocks)) { |
498 | int left; | |
499 | ||
500 | if (td->thinktime_spin) | |
501 | __usec_sleep(td->thinktime_spin); | |
502 | ||
503 | left = td->thinktime - td->thinktime_spin; | |
504 | if (left) | |
505 | usec_sleep(td, left); | |
506 | } | |
9c1f7434 | 507 | } |
ebac4655 JA |
508 | } |
509 | ||
4d2413c6 | 510 | if (!td->error) { |
3d7c391d JA |
511 | struct fio_file *f; |
512 | ||
c01c0395 JA |
513 | i = td->cur_depth; |
514 | if (i) | |
515 | ret = io_u_queued_complete(td, i); | |
ebac4655 | 516 | |
84585003 JA |
517 | if (should_fsync(td) && td->end_fsync) { |
518 | td_set_runstate(td, TD_FSYNCING); | |
519 | for_each_file(td, f, i) | |
858a3d47 | 520 | fio_io_sync(td, f); |
84585003 | 521 | } |
c01c0395 JA |
522 | } else |
523 | cleanup_pending_aio(td); | |
ebac4655 JA |
524 | } |
525 | ||
ebac4655 JA |
526 | static void cleanup_io_u(struct thread_data *td) |
527 | { | |
528 | struct list_head *entry, *n; | |
529 | struct io_u *io_u; | |
530 | ||
531 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
532 | io_u = list_entry(entry, struct io_u, list); | |
533 | ||
534 | list_del(&io_u->list); | |
535 | free(io_u); | |
536 | } | |
537 | ||
2f9ade3c | 538 | free_io_mem(td); |
ebac4655 JA |
539 | } |
540 | ||
6b9cea23 JA |
541 | /* |
542 | * "randomly" fill the buffer contents | |
543 | */ | |
66eeb296 | 544 | static void fill_rand_buf(struct io_u *io_u, int max_bs) |
6b9cea23 | 545 | { |
66eeb296 | 546 | int *ptr = io_u->buf; |
6b9cea23 JA |
547 | |
548 | while ((void *) ptr - io_u->buf < max_bs) { | |
549 | *ptr = rand() * 0x9e370001; | |
550 | ptr++; | |
551 | } | |
552 | } | |
553 | ||
ebac4655 JA |
554 | static int init_io_u(struct thread_data *td) |
555 | { | |
556 | struct io_u *io_u; | |
a00735e6 | 557 | unsigned int max_bs; |
ebac4655 JA |
558 | int i, max_units; |
559 | char *p; | |
560 | ||
2866c82d | 561 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
562 | return 0; |
563 | ||
2866c82d | 564 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
565 | max_units = 1; |
566 | else | |
567 | max_units = td->iodepth; | |
568 | ||
a00735e6 | 569 | max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]); |
74b025b0 JA |
570 | td->orig_buffer_size = max_bs * max_units; |
571 | ||
d0bdaf49 | 572 | if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE) |
56bb17f2 | 573 | td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1); |
74b025b0 | 574 | else |
29d610e1 | 575 | td->orig_buffer_size += page_mask; |
ebac4655 | 576 | |
2f9ade3c JA |
577 | if (allocate_io_mem(td)) |
578 | return 1; | |
ebac4655 | 579 | |
ebac4655 JA |
580 | p = ALIGN(td->orig_buffer); |
581 | for (i = 0; i < max_units; i++) { | |
582 | io_u = malloc(sizeof(*io_u)); | |
583 | memset(io_u, 0, sizeof(*io_u)); | |
584 | INIT_LIST_HEAD(&io_u->list); | |
585 | ||
a00735e6 | 586 | io_u->buf = p + max_bs * i; |
6b9cea23 | 587 | if (td_write(td) || td_rw(td)) |
a00735e6 | 588 | fill_rand_buf(io_u, max_bs); |
6b9cea23 | 589 | |
b1ff3403 | 590 | io_u->index = i; |
0c6e7517 | 591 | io_u->flags = IO_U_F_FREE; |
ebac4655 JA |
592 | list_add(&io_u->list, &td->io_u_freelist); |
593 | } | |
594 | ||
433afcb4 JA |
595 | io_u_init_timeout(); |
596 | ||
ebac4655 JA |
597 | return 0; |
598 | } | |
599 | ||
da86774e JA |
600 | static int switch_ioscheduler(struct thread_data *td) |
601 | { | |
602 | char tmp[256], tmp2[128]; | |
603 | FILE *f; | |
604 | int ret; | |
605 | ||
f48b467c JA |
606 | if (td->io_ops->flags & FIO_CPUIO) |
607 | return 0; | |
608 | ||
da86774e JA |
609 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
610 | ||
611 | f = fopen(tmp, "r+"); | |
612 | if (!f) { | |
e1161c32 | 613 | td_verror(td, errno, "fopen"); |
da86774e JA |
614 | return 1; |
615 | } | |
616 | ||
617 | /* | |
618 | * Set io scheduler. | |
619 | */ | |
620 | ret = fwrite(td->ioscheduler, strlen(td->ioscheduler), 1, f); | |
621 | if (ferror(f) || ret != 1) { | |
e1161c32 | 622 | td_verror(td, errno, "fwrite"); |
da86774e JA |
623 | fclose(f); |
624 | return 1; | |
625 | } | |
626 | ||
627 | rewind(f); | |
628 | ||
629 | /* | |
630 | * Read back and check that the selected scheduler is now the default. | |
631 | */ | |
632 | ret = fread(tmp, 1, sizeof(tmp), f); | |
633 | if (ferror(f) || ret < 0) { | |
e1161c32 | 634 | td_verror(td, errno, "fread"); |
da86774e JA |
635 | fclose(f); |
636 | return 1; | |
637 | } | |
638 | ||
639 | sprintf(tmp2, "[%s]", td->ioscheduler); | |
640 | if (!strstr(tmp, tmp2)) { | |
3b70d7e5 | 641 | log_err("fio: io scheduler %s not found\n", td->ioscheduler); |
e1161c32 | 642 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
643 | fclose(f); |
644 | return 1; | |
645 | } | |
646 | ||
647 | fclose(f); | |
648 | return 0; | |
649 | } | |
650 | ||
ebac4655 JA |
651 | static void clear_io_state(struct thread_data *td) |
652 | { | |
53cdc686 JA |
653 | struct fio_file *f; |
654 | int i; | |
ebac4655 | 655 | |
079ad09b | 656 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 657 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 658 | td->zone_bytes = 0; |
ebac4655 | 659 | |
c1324df1 JA |
660 | td->last_was_sync = 0; |
661 | ||
53cdc686 | 662 | for_each_file(td, f, i) { |
c1324df1 JA |
663 | f->last_completed_pos = 0; |
664 | ||
53cdc686 JA |
665 | f->last_pos = 0; |
666 | if (td->io_ops->flags & FIO_SYNCIO) | |
667 | lseek(f->fd, SEEK_SET, 0); | |
668 | ||
669 | if (f->file_map) | |
670 | memset(f->file_map, 0, f->num_maps * sizeof(long)); | |
671 | } | |
ebac4655 JA |
672 | } |
673 | ||
906c8d75 JA |
674 | /* |
675 | * Entry point for the thread based jobs. The process based jobs end up | |
676 | * here as well, after a little setup. | |
677 | */ | |
ebac4655 JA |
678 | static void *thread_main(void *data) |
679 | { | |
69008999 | 680 | unsigned long long runtime[2]; |
ebac4655 | 681 | struct thread_data *td = data; |
ebac4655 JA |
682 | |
683 | if (!td->use_thread) | |
684 | setsid(); | |
685 | ||
686 | td->pid = getpid(); | |
687 | ||
aea47d44 JA |
688 | INIT_LIST_HEAD(&td->io_u_freelist); |
689 | INIT_LIST_HEAD(&td->io_u_busylist); | |
755200a3 | 690 | INIT_LIST_HEAD(&td->io_u_requeues); |
aea47d44 JA |
691 | INIT_LIST_HEAD(&td->io_hist_list); |
692 | INIT_LIST_HEAD(&td->io_log_list); | |
693 | ||
ebac4655 JA |
694 | if (init_io_u(td)) |
695 | goto err; | |
696 | ||
697 | if (fio_setaffinity(td) == -1) { | |
e1161c32 | 698 | td_verror(td, errno, "cpu_set_affinity"); |
ebac4655 JA |
699 | goto err; |
700 | } | |
701 | ||
aea47d44 JA |
702 | if (init_iolog(td)) |
703 | goto err; | |
704 | ||
ebac4655 JA |
705 | if (td->ioprio) { |
706 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { | |
e1161c32 | 707 | td_verror(td, errno, "ioprio_set"); |
ebac4655 JA |
708 | goto err; |
709 | } | |
710 | } | |
711 | ||
1056eaad | 712 | if (nice(td->nice) == -1) { |
e1161c32 | 713 | td_verror(td, errno, "nice"); |
b6f4d880 JA |
714 | goto err; |
715 | } | |
716 | ||
75154845 JA |
717 | if (init_random_state(td)) |
718 | goto err; | |
719 | ||
56f9498d JA |
720 | if (td->ioscheduler && switch_ioscheduler(td)) |
721 | goto err; | |
da86774e | 722 | |
75154845 | 723 | td_set_runstate(td, TD_INITIALIZED); |
bbfd6b00 JA |
724 | fio_sem_up(&startup_sem); |
725 | fio_sem_down(&td->mutex); | |
ebac4655 | 726 | |
53cdc686 | 727 | if (!td->create_serialize && setup_files(td)) |
ebac4655 | 728 | goto err; |
21972cde JA |
729 | if (open_files(td)) |
730 | goto err; | |
ebac4655 | 731 | |
7d6c5283 JA |
732 | /* |
733 | * Do this late, as some IO engines would like to have the | |
734 | * files setup prior to initializing structures. | |
735 | */ | |
736 | if (td_io_init(td)) | |
737 | goto err; | |
738 | ||
69cfd7e0 JA |
739 | if (td->exec_prerun) { |
740 | if (system(td->exec_prerun) < 0) | |
741 | goto err; | |
742 | } | |
4e0ba8af | 743 | |
69008999 | 744 | fio_gettime(&td->epoch, NULL); |
433afcb4 | 745 | memcpy(&td->timeout_end, &td->epoch, sizeof(td->epoch)); |
079ad09b | 746 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
747 | |
748 | runtime[0] = runtime[1] = 0; | |
ebac4655 | 749 | while (td->loops--) { |
02bcaa8c | 750 | fio_gettime(&td->start, NULL); |
079ad09b | 751 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
ebac4655 JA |
752 | |
753 | if (td->ratemin) | |
079ad09b | 754 | memcpy(&td->lastrate, &td->ts.stat_sample_time, sizeof(td->lastrate)); |
ebac4655 JA |
755 | |
756 | clear_io_state(td); | |
757 | prune_io_piece_log(td); | |
758 | ||
2866c82d | 759 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
760 | do_cpuio(td); |
761 | else | |
762 | do_io(td); | |
ebac4655 | 763 | |
413dd459 JA |
764 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
765 | runtime[DDIR_READ] += utime_since_now(&td->start); | |
766 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
767 | runtime[DDIR_WRITE] += utime_since_now(&td->start); | |
768 | ||
ebac4655 JA |
769 | if (td->error || td->terminate) |
770 | break; | |
771 | ||
772 | if (td->verify == VERIFY_NONE) | |
773 | continue; | |
774 | ||
775 | clear_io_state(td); | |
02bcaa8c | 776 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
777 | |
778 | do_verify(td); | |
779 | ||
69008999 | 780 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
781 | |
782 | if (td->error || td->terminate) | |
783 | break; | |
784 | } | |
785 | ||
36dff966 | 786 | update_rusage_stat(td); |
69008999 JA |
787 | fio_gettime(&td->end_time, NULL); |
788 | td->runtime[0] = runtime[0] / 1000; | |
789 | td->runtime[1] = runtime[1] / 1000; | |
790 | ||
079ad09b JA |
791 | if (td->ts.bw_log) |
792 | finish_log(td, td->ts.bw_log, "bw"); | |
793 | if (td->ts.slat_log) | |
794 | finish_log(td, td->ts.slat_log, "slat"); | |
795 | if (td->ts.clat_log) | |
796 | finish_log(td, td->ts.clat_log, "clat"); | |
076efc7c | 797 | if (td->write_iolog_file) |
843a7413 | 798 | write_iolog_close(td); |
69cfd7e0 JA |
799 | if (td->exec_postrun) { |
800 | if (system(td->exec_postrun) < 0) | |
801 | log_err("fio: postrun %s failed\n", td->exec_postrun); | |
802 | } | |
ebac4655 JA |
803 | |
804 | if (exitall_on_terminate) | |
6ce15a32 | 805 | terminate_threads(td->groupid, 0); |
ebac4655 JA |
806 | |
807 | err: | |
5bf13a5a JA |
808 | if (td->error) |
809 | printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
53cdc686 | 810 | close_files(td); |
2866c82d | 811 | close_ioengine(td); |
ebac4655 | 812 | cleanup_io_u(td); |
ebac4655 | 813 | td_set_runstate(td, TD_EXITED); |
43d76807 | 814 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
815 | } |
816 | ||
906c8d75 JA |
817 | /* |
818 | * We cannot pass the td data into a forked process, so attach the td and | |
819 | * pass it to the thread worker. | |
820 | */ | |
a6418147 | 821 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
822 | { |
823 | struct thread_data *td; | |
a6418147 | 824 | void *data, *ret; |
ebac4655 JA |
825 | |
826 | data = shmat(shmid, NULL, 0); | |
827 | if (data == (void *) -1) { | |
a6418147 JA |
828 | int __err = errno; |
829 | ||
ebac4655 | 830 | perror("shmat"); |
a6418147 | 831 | return __err; |
ebac4655 JA |
832 | } |
833 | ||
834 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 835 | ret = thread_main(td); |
ebac4655 | 836 | shmdt(data); |
43d76807 | 837 | return (int) (unsigned long) ret; |
ebac4655 JA |
838 | } |
839 | ||
906c8d75 JA |
840 | /* |
841 | * Run over the job map and reap the threads that have exited, if any. | |
842 | */ | |
ebac4655 JA |
843 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
844 | { | |
34572e28 | 845 | struct thread_data *td; |
fab6aa71 | 846 | int i, cputhreads, pending, status, ret; |
ebac4655 JA |
847 | |
848 | /* | |
849 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
850 | */ | |
4d2413c6 | 851 | pending = cputhreads = 0; |
34572e28 | 852 | for_each_td(td, i) { |
3707f45b | 853 | int flags = 0; |
a2f77c9f | 854 | |
84585003 JA |
855 | /* |
856 | * ->io_ops is NULL for a thread that has closed its | |
857 | * io engine | |
858 | */ | |
859 | if (td->io_ops && td->io_ops->flags & FIO_CPUIO) | |
b990b5c0 JA |
860 | cputhreads++; |
861 | ||
a2f77c9f JA |
862 | if (!td->pid || td->runstate == TD_REAPED) |
863 | continue; | |
3707f45b JA |
864 | if (td->use_thread) { |
865 | if (td->runstate == TD_EXITED) { | |
866 | td_set_runstate(td, TD_REAPED); | |
867 | goto reaped; | |
868 | } | |
869 | continue; | |
870 | } | |
a2f77c9f JA |
871 | |
872 | flags = WNOHANG; | |
873 | if (td->runstate == TD_EXITED) | |
874 | flags = 0; | |
875 | ||
876 | /* | |
877 | * check if someone quit or got killed in an unusual way | |
878 | */ | |
879 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 880 | if (ret < 0) { |
a2f77c9f JA |
881 | if (errno == ECHILD) { |
882 | log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate); | |
883 | td_set_runstate(td, TD_REAPED); | |
884 | goto reaped; | |
885 | } | |
886 | perror("waitpid"); | |
887 | } else if (ret == td->pid) { | |
888 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
889 | int sig = WTERMSIG(status); |
890 | ||
891 | log_err("fio: pid=%d, got signal=%d\n", td->pid, sig); | |
892 | td_set_runstate(td, TD_REAPED); | |
893 | goto reaped; | |
894 | } | |
a2f77c9f JA |
895 | if (WIFEXITED(status)) { |
896 | if (WEXITSTATUS(status) && !td->error) | |
897 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 898 | |
a2f77c9f JA |
899 | td_set_runstate(td, TD_REAPED); |
900 | goto reaped; | |
a6418147 JA |
901 | } |
902 | } | |
ebac4655 | 903 | |
a2f77c9f JA |
904 | /* |
905 | * thread is not dead, continue | |
906 | */ | |
907 | continue; | |
fab6aa71 | 908 | reaped: |
3707f45b JA |
909 | if (td->use_thread) { |
910 | long ret; | |
911 | ||
912 | if (pthread_join(td->thread, (void *) &ret)) | |
913 | perror("pthread_join"); | |
914 | } | |
915 | ||
ebac4655 JA |
916 | (*nr_running)--; |
917 | (*m_rate) -= td->ratemin; | |
918 | (*t_rate) -= td->rate; | |
a2f77c9f JA |
919 | |
920 | if (td->error) | |
921 | exit_value++; | |
ebac4655 | 922 | } |
b990b5c0 | 923 | |
4d2413c6 | 924 | if (*nr_running == cputhreads && !pending) |
6ce15a32 | 925 | terminate_threads(TERMINATE_ALL, 0); |
ebac4655 JA |
926 | } |
927 | ||
906c8d75 JA |
928 | /* |
929 | * Main function for kicking off and reaping jobs, as needed. | |
930 | */ | |
ebac4655 JA |
931 | static void run_threads(void) |
932 | { | |
ebac4655 JA |
933 | struct thread_data *td; |
934 | unsigned long spent; | |
935 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 936 | |
2f9ade3c JA |
937 | if (fio_pin_memory()) |
938 | return; | |
ebac4655 | 939 | |
c6ae0a5b JA |
940 | if (!terse_output) { |
941 | printf("Starting %d thread%s\n", thread_number, thread_number > 1 ? "s" : ""); | |
942 | fflush(stdout); | |
943 | } | |
c04f7ec3 | 944 | |
4efa970e JA |
945 | signal(SIGINT, sig_handler); |
946 | signal(SIGALRM, sig_handler); | |
947 | ||
ebac4655 JA |
948 | todo = thread_number; |
949 | nr_running = 0; | |
950 | nr_started = 0; | |
951 | m_rate = t_rate = 0; | |
952 | ||
34572e28 | 953 | for_each_td(td, i) { |
263e529f | 954 | print_status_init(td->thread_number - 1); |
ebac4655 | 955 | |
380cf265 JA |
956 | if (!td->create_serialize) { |
957 | init_disk_util(td); | |
ebac4655 | 958 | continue; |
380cf265 | 959 | } |
ebac4655 JA |
960 | |
961 | /* | |
962 | * do file setup here so it happens sequentially, | |
963 | * we don't want X number of threads getting their | |
964 | * client data interspersed on disk | |
965 | */ | |
53cdc686 | 966 | if (setup_files(td)) { |
5bf13a5a JA |
967 | exit_value++; |
968 | if (td->error) | |
969 | log_err("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
ebac4655 JA |
970 | td_set_runstate(td, TD_REAPED); |
971 | todo--; | |
972 | } | |
380cf265 JA |
973 | |
974 | init_disk_util(td); | |
ebac4655 JA |
975 | } |
976 | ||
a2f77c9f JA |
977 | set_genesis_time(); |
978 | ||
ebac4655 | 979 | while (todo) { |
75154845 JA |
980 | struct thread_data *map[MAX_JOBS]; |
981 | struct timeval this_start; | |
982 | int this_jobs = 0, left; | |
983 | ||
ebac4655 JA |
984 | /* |
985 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
986 | */ | |
34572e28 | 987 | for_each_td(td, i) { |
ebac4655 JA |
988 | if (td->runstate != TD_NOT_CREATED) |
989 | continue; | |
990 | ||
991 | /* | |
992 | * never got a chance to start, killed by other | |
993 | * thread for some reason | |
994 | */ | |
995 | if (td->terminate) { | |
996 | todo--; | |
997 | continue; | |
998 | } | |
999 | ||
1000 | if (td->start_delay) { | |
263e529f | 1001 | spent = mtime_since_genesis(); |
ebac4655 JA |
1002 | |
1003 | if (td->start_delay * 1000 > spent) | |
1004 | continue; | |
1005 | } | |
1006 | ||
1007 | if (td->stonewall && (nr_started || nr_running)) | |
1008 | break; | |
1009 | ||
75154845 JA |
1010 | /* |
1011 | * Set state to created. Thread will transition | |
1012 | * to TD_INITIALIZED when it's done setting up. | |
1013 | */ | |
ebac4655 | 1014 | td_set_runstate(td, TD_CREATED); |
75154845 | 1015 | map[this_jobs++] = td; |
bbfd6b00 | 1016 | fio_sem_init(&startup_sem, 1); |
ebac4655 JA |
1017 | nr_started++; |
1018 | ||
1019 | if (td->use_thread) { | |
1020 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
1021 | perror("thread_create"); | |
1022 | nr_started--; | |
1023 | } | |
1024 | } else { | |
1025 | if (fork()) | |
bbfd6b00 | 1026 | fio_sem_down(&startup_sem); |
ebac4655 | 1027 | else { |
a6418147 JA |
1028 | int ret = fork_main(shm_id, i); |
1029 | ||
1030 | exit(ret); | |
ebac4655 JA |
1031 | } |
1032 | } | |
1033 | } | |
1034 | ||
1035 | /* | |
75154845 JA |
1036 | * Wait for the started threads to transition to |
1037 | * TD_INITIALIZED. | |
ebac4655 | 1038 | */ |
02bcaa8c | 1039 | fio_gettime(&this_start, NULL); |
75154845 | 1040 | left = this_jobs; |
6ce15a32 | 1041 | while (left && !fio_abort) { |
75154845 JA |
1042 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1043 | break; | |
1044 | ||
1045 | usleep(100000); | |
1046 | ||
1047 | for (i = 0; i < this_jobs; i++) { | |
1048 | td = map[i]; | |
1049 | if (!td) | |
1050 | continue; | |
b6f4d880 | 1051 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1052 | map[i] = NULL; |
1053 | left--; | |
b6f4d880 JA |
1054 | } else if (td->runstate >= TD_EXITED) { |
1055 | map[i] = NULL; | |
1056 | left--; | |
1057 | todo--; | |
1058 | nr_running++; /* work-around... */ | |
75154845 JA |
1059 | } |
1060 | } | |
1061 | } | |
1062 | ||
1063 | if (left) { | |
3b70d7e5 | 1064 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1065 | for (i = 0; i < this_jobs; i++) { |
1066 | td = map[i]; | |
1067 | if (!td) | |
1068 | continue; | |
1069 | kill(td->pid, SIGTERM); | |
1070 | } | |
1071 | break; | |
1072 | } | |
1073 | ||
1074 | /* | |
b6f4d880 | 1075 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1076 | */ |
34572e28 | 1077 | for_each_td(td, i) { |
75154845 | 1078 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1079 | continue; |
1080 | ||
1081 | td_set_runstate(td, TD_RUNNING); | |
1082 | nr_running++; | |
1083 | nr_started--; | |
1084 | m_rate += td->ratemin; | |
1085 | t_rate += td->rate; | |
75154845 | 1086 | todo--; |
bbfd6b00 | 1087 | fio_sem_up(&td->mutex); |
ebac4655 JA |
1088 | } |
1089 | ||
1090 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1091 | ||
1092 | if (todo) | |
1093 | usleep(100000); | |
1094 | } | |
1095 | ||
1096 | while (nr_running) { | |
1097 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1098 | usleep(10000); | |
1099 | } | |
1100 | ||
1101 | update_io_ticks(); | |
2f9ade3c | 1102 | fio_unpin_memory(); |
ebac4655 JA |
1103 | } |
1104 | ||
ebac4655 JA |
1105 | int main(int argc, char *argv[]) |
1106 | { | |
29d610e1 JA |
1107 | long ps; |
1108 | ||
dbe1125e JA |
1109 | /* |
1110 | * We need locale for number printing, if it isn't set then just | |
1111 | * go with the US format. | |
1112 | */ | |
1113 | if (!getenv("LC_NUMERIC")) | |
1114 | setlocale(LC_NUMERIC, "en_US"); | |
1115 | ||
ebac4655 JA |
1116 | if (parse_options(argc, argv)) |
1117 | return 1; | |
1118 | ||
1119 | if (!thread_number) { | |
3b70d7e5 | 1120 | log_err("Nothing to do\n"); |
ebac4655 JA |
1121 | return 1; |
1122 | } | |
1123 | ||
29d610e1 JA |
1124 | ps = sysconf(_SC_PAGESIZE); |
1125 | if (ps < 0) { | |
1126 | log_err("Failed to get page size\n"); | |
1127 | return 1; | |
1128 | } | |
1129 | ||
1130 | page_mask = ps - 1; | |
1131 | ||
bb3884d8 JA |
1132 | if (write_bw_log) { |
1133 | setup_log(&agg_io_log[DDIR_READ]); | |
1134 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1135 | } | |
1136 | ||
a2f77c9f JA |
1137 | set_genesis_time(); |
1138 | ||
ebac4655 JA |
1139 | disk_util_timer_arm(); |
1140 | ||
1141 | run_threads(); | |
6ce15a32 | 1142 | |
bb3884d8 | 1143 | if (!fio_abort) { |
6ce15a32 | 1144 | show_run_stats(); |
bb3884d8 JA |
1145 | if (write_bw_log) { |
1146 | __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log"); | |
1147 | __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log"); | |
1148 | } | |
1149 | } | |
ebac4655 | 1150 | |
437c9b71 | 1151 | return exit_value; |
ebac4655 | 1152 | } |