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) { | |
5451792e JA |
273 | int ret2; |
274 | ||
ebac4655 JA |
275 | io_u = __get_io_u(td); |
276 | if (!io_u) | |
277 | break; | |
278 | ||
069c2918 JA |
279 | if (runtime_exceeded(td, &io_u->start_time)) { |
280 | put_io_u(td, io_u); | |
02bcaa8c | 281 | break; |
069c2918 | 282 | } |
02bcaa8c | 283 | |
069c2918 JA |
284 | if (get_next_verify(td, io_u)) { |
285 | put_io_u(td, io_u); | |
ebac4655 | 286 | break; |
069c2918 | 287 | } |
ebac4655 | 288 | |
069c2918 JA |
289 | if (td_io_prep(td, io_u)) { |
290 | put_io_u(td, io_u); | |
53cdc686 | 291 | break; |
069c2918 | 292 | } |
d7762cf8 JA |
293 | |
294 | io_u->end_io = verify_io_u; | |
36167d82 JA |
295 | requeue: |
296 | ret = td_io_queue(td, io_u); | |
53cdc686 | 297 | |
36167d82 JA |
298 | switch (ret) { |
299 | case FIO_Q_COMPLETED: | |
300 | if (io_u->error) | |
22819ec2 | 301 | ret = -io_u->error; |
5451792e | 302 | else if (io_u->xfer_buflen != io_u->resid && io_u->resid) { |
36167d82 | 303 | int bytes = io_u->xfer_buflen - io_u->resid; |
ebac4655 | 304 | |
36167d82 JA |
305 | io_u->xfer_buflen = io_u->resid; |
306 | io_u->xfer_buf += bytes; | |
307 | goto requeue; | |
308 | } | |
d7762cf8 | 309 | ret = io_u_sync_complete(td, io_u); |
49db69aa | 310 | if (ret < 0) |
36167d82 | 311 | break; |
36167d82 JA |
312 | continue; |
313 | case FIO_Q_QUEUED: | |
314 | break; | |
755200a3 JA |
315 | case FIO_Q_BUSY: |
316 | requeue_io_u(td, &io_u); | |
5451792e JA |
317 | ret2 = td_io_commit(td); |
318 | if (ret2 < 0) | |
319 | ret = ret2; | |
755200a3 | 320 | break; |
36167d82 JA |
321 | default: |
322 | assert(ret < 0); | |
e1161c32 | 323 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
324 | break; |
325 | } | |
326 | ||
99784632 | 327 | if (ret < 0 || td->error) |
3af6ef39 JA |
328 | break; |
329 | ||
ebac4655 | 330 | /* |
3af6ef39 JA |
331 | * if we can queue more, do so. but check if there are |
332 | * completed io_u's first. | |
ebac4655 | 333 | */ |
97601024 | 334 | min_events = 0; |
e916b390 | 335 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
3af6ef39 | 336 | min_events = 1; |
3af6ef39 | 337 | |
e916b390 JA |
338 | if (td->cur_depth > td->iodepth_low) |
339 | min_events = td->cur_depth - td->iodepth_low; | |
340 | } | |
341 | ||
3af6ef39 JA |
342 | /* |
343 | * Reap required number of io units, if any, and do the | |
344 | * verification on them through the callback handler | |
345 | */ | |
d7762cf8 | 346 | if (io_u_queued_complete(td, min_events) < 0) |
ebac4655 | 347 | break; |
36167d82 | 348 | } |
ebac4655 | 349 | |
c01c0395 JA |
350 | if (!td->error) { |
351 | min_events = td->cur_depth; | |
352 | ||
353 | if (min_events) | |
354 | ret = io_u_queued_complete(td, min_events); | |
355 | } else | |
ebac4655 JA |
356 | cleanup_pending_aio(td); |
357 | ||
358 | td_set_runstate(td, TD_RUNNING); | |
359 | } | |
360 | ||
b990b5c0 JA |
361 | /* |
362 | * Not really an io thread, all it does is burn CPU cycles in the specified | |
363 | * manner. | |
364 | */ | |
365 | static void do_cpuio(struct thread_data *td) | |
366 | { | |
367 | struct timeval e; | |
368 | int split = 100 / td->cpuload; | |
369 | int i = 0; | |
370 | ||
371 | while (!td->terminate) { | |
02bcaa8c | 372 | fio_gettime(&e, NULL); |
b990b5c0 JA |
373 | |
374 | if (runtime_exceeded(td, &e)) | |
375 | break; | |
376 | ||
377 | if (!(i % split)) | |
378 | __usec_sleep(10000); | |
379 | else | |
380 | usec_sleep(td, 10000); | |
381 | ||
382 | i++; | |
383 | } | |
384 | } | |
385 | ||
32cd46a0 | 386 | /* |
906c8d75 | 387 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
388 | * and reaps them, checking for rate and errors along the way. |
389 | */ | |
ebac4655 JA |
390 | static void do_io(struct thread_data *td) |
391 | { | |
02bcaa8c | 392 | struct timeval s; |
ebac4655 | 393 | unsigned long usec; |
84585003 | 394 | int i, ret = 0; |
ebac4655 | 395 | |
5853e5a8 JA |
396 | td_set_runstate(td, TD_RUNNING); |
397 | ||
3951414d | 398 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->io_size) { |
97601024 JA |
399 | struct timeval comp_time; |
400 | long bytes_done = 0; | |
84585003 | 401 | int min_evts = 0; |
ebac4655 | 402 | struct io_u *io_u; |
5451792e | 403 | int ret2; |
ebac4655 JA |
404 | |
405 | if (td->terminate) | |
406 | break; | |
407 | ||
3d7c391d | 408 | io_u = get_io_u(td); |
ebac4655 JA |
409 | if (!io_u) |
410 | break; | |
411 | ||
412 | memcpy(&s, &io_u->start_time, sizeof(s)); | |
97601024 JA |
413 | |
414 | if (runtime_exceeded(td, &s)) { | |
415 | put_io_u(td, io_u); | |
416 | break; | |
417 | } | |
cec6b55d | 418 | requeue: |
45bee283 | 419 | ret = td_io_queue(td, io_u); |
36167d82 JA |
420 | |
421 | switch (ret) { | |
422 | case FIO_Q_COMPLETED: | |
5451792e JA |
423 | if (io_u->error) |
424 | ret = -io_u->error; | |
425 | else if (io_u->xfer_buflen != io_u->resid && io_u->resid) { | |
36167d82 JA |
426 | int bytes = io_u->xfer_buflen - io_u->resid; |
427 | ||
cec6b55d | 428 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 429 | io_u->xfer_buf += bytes; |
cec6b55d | 430 | goto requeue; |
cec6b55d | 431 | } |
97601024 | 432 | fio_gettime(&comp_time, NULL); |
d7762cf8 | 433 | bytes_done = io_u_sync_complete(td, io_u); |
99784632 JA |
434 | if (bytes_done < 0) |
435 | ret = bytes_done; | |
36167d82 JA |
436 | break; |
437 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
438 | /* |
439 | * if the engine doesn't have a commit hook, | |
440 | * the io_u is really queued. if it does have such | |
441 | * a hook, it has to call io_u_queued() itself. | |
442 | */ | |
443 | if (td->io_ops->commit == NULL) | |
444 | io_u_queued(td, io_u); | |
36167d82 | 445 | break; |
755200a3 JA |
446 | case FIO_Q_BUSY: |
447 | requeue_io_u(td, &io_u); | |
5451792e JA |
448 | ret2 = td_io_commit(td); |
449 | if (ret2 < 0) | |
450 | ret = ret2; | |
755200a3 | 451 | break; |
36167d82 JA |
452 | default: |
453 | assert(ret < 0); | |
454 | put_io_u(td, io_u); | |
455 | break; | |
ebac4655 JA |
456 | } |
457 | ||
99784632 | 458 | if (ret < 0 || td->error) |
36167d82 JA |
459 | break; |
460 | ||
97601024 JA |
461 | /* |
462 | * See if we need to complete some commands | |
463 | */ | |
755200a3 | 464 | if (ret == FIO_Q_QUEUED || ret == FIO_Q_BUSY) { |
97601024 | 465 | min_evts = 0; |
e916b390 | 466 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
36167d82 | 467 | min_evts = 1; |
ebac4655 | 468 | |
e916b390 JA |
469 | if (td->cur_depth > td->iodepth_low) |
470 | min_evts = td->cur_depth - td->iodepth_low; | |
471 | } | |
472 | ||
97601024 | 473 | fio_gettime(&comp_time, NULL); |
d7762cf8 | 474 | bytes_done = io_u_queued_complete(td, min_evts); |
97601024 | 475 | if (bytes_done < 0) |
36167d82 | 476 | break; |
ebac4655 JA |
477 | } |
478 | ||
97601024 JA |
479 | if (!bytes_done) |
480 | continue; | |
481 | ||
ebac4655 JA |
482 | /* |
483 | * the rate is batched for now, it should work for batches | |
484 | * of completions except the very first one which may look | |
485 | * a little bursty | |
486 | */ | |
97601024 | 487 | usec = utime_since(&s, &comp_time); |
ebac4655 | 488 | |
413dd459 | 489 | rate_throttle(td, usec, bytes_done); |
ebac4655 | 490 | |
97601024 | 491 | if (check_min_rate(td, &comp_time)) { |
98aa62d8 | 492 | if (exitall_on_terminate) |
6ce15a32 | 493 | terminate_threads(td->groupid, 0); |
e1161c32 | 494 | td_verror(td, ENODATA, "check_min_rate"); |
ebac4655 JA |
495 | break; |
496 | } | |
497 | ||
9c1f7434 JA |
498 | if (td->thinktime) { |
499 | unsigned long long b; | |
500 | ||
501 | b = td->io_blocks[0] + td->io_blocks[1]; | |
48097d5c JA |
502 | if (!(b % td->thinktime_blocks)) { |
503 | int left; | |
504 | ||
505 | if (td->thinktime_spin) | |
506 | __usec_sleep(td->thinktime_spin); | |
507 | ||
508 | left = td->thinktime - td->thinktime_spin; | |
509 | if (left) | |
510 | usec_sleep(td, left); | |
511 | } | |
9c1f7434 | 512 | } |
ebac4655 JA |
513 | } |
514 | ||
4d2413c6 | 515 | if (!td->error) { |
3d7c391d JA |
516 | struct fio_file *f; |
517 | ||
c01c0395 JA |
518 | i = td->cur_depth; |
519 | if (i) | |
520 | ret = io_u_queued_complete(td, i); | |
ebac4655 | 521 | |
84585003 JA |
522 | if (should_fsync(td) && td->end_fsync) { |
523 | td_set_runstate(td, TD_FSYNCING); | |
524 | for_each_file(td, f, i) | |
858a3d47 | 525 | fio_io_sync(td, f); |
84585003 | 526 | } |
c01c0395 JA |
527 | } else |
528 | cleanup_pending_aio(td); | |
ebac4655 JA |
529 | } |
530 | ||
ebac4655 JA |
531 | static void cleanup_io_u(struct thread_data *td) |
532 | { | |
533 | struct list_head *entry, *n; | |
534 | struct io_u *io_u; | |
535 | ||
536 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
537 | io_u = list_entry(entry, struct io_u, list); | |
538 | ||
539 | list_del(&io_u->list); | |
540 | free(io_u); | |
541 | } | |
542 | ||
2f9ade3c | 543 | free_io_mem(td); |
ebac4655 JA |
544 | } |
545 | ||
6b9cea23 JA |
546 | /* |
547 | * "randomly" fill the buffer contents | |
548 | */ | |
66eeb296 | 549 | static void fill_rand_buf(struct io_u *io_u, int max_bs) |
6b9cea23 | 550 | { |
66eeb296 | 551 | int *ptr = io_u->buf; |
6b9cea23 JA |
552 | |
553 | while ((void *) ptr - io_u->buf < max_bs) { | |
554 | *ptr = rand() * 0x9e370001; | |
555 | ptr++; | |
556 | } | |
557 | } | |
558 | ||
ebac4655 JA |
559 | static int init_io_u(struct thread_data *td) |
560 | { | |
561 | struct io_u *io_u; | |
a00735e6 | 562 | unsigned int max_bs; |
ebac4655 JA |
563 | int i, max_units; |
564 | char *p; | |
565 | ||
2866c82d | 566 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
567 | return 0; |
568 | ||
2866c82d | 569 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
570 | max_units = 1; |
571 | else | |
572 | max_units = td->iodepth; | |
573 | ||
a00735e6 | 574 | max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]); |
74b025b0 JA |
575 | td->orig_buffer_size = max_bs * max_units; |
576 | ||
d0bdaf49 | 577 | if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE) |
56bb17f2 | 578 | td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1); |
74b025b0 | 579 | else |
29d610e1 | 580 | td->orig_buffer_size += page_mask; |
ebac4655 | 581 | |
2f9ade3c JA |
582 | if (allocate_io_mem(td)) |
583 | return 1; | |
ebac4655 | 584 | |
ebac4655 JA |
585 | p = ALIGN(td->orig_buffer); |
586 | for (i = 0; i < max_units; i++) { | |
587 | io_u = malloc(sizeof(*io_u)); | |
588 | memset(io_u, 0, sizeof(*io_u)); | |
589 | INIT_LIST_HEAD(&io_u->list); | |
590 | ||
a00735e6 | 591 | io_u->buf = p + max_bs * i; |
6b9cea23 | 592 | if (td_write(td) || td_rw(td)) |
a00735e6 | 593 | fill_rand_buf(io_u, max_bs); |
6b9cea23 | 594 | |
b1ff3403 | 595 | io_u->index = i; |
0c6e7517 | 596 | io_u->flags = IO_U_F_FREE; |
ebac4655 JA |
597 | list_add(&io_u->list, &td->io_u_freelist); |
598 | } | |
599 | ||
433afcb4 JA |
600 | io_u_init_timeout(); |
601 | ||
ebac4655 JA |
602 | return 0; |
603 | } | |
604 | ||
da86774e JA |
605 | static int switch_ioscheduler(struct thread_data *td) |
606 | { | |
607 | char tmp[256], tmp2[128]; | |
608 | FILE *f; | |
609 | int ret; | |
610 | ||
f48b467c JA |
611 | if (td->io_ops->flags & FIO_CPUIO) |
612 | return 0; | |
613 | ||
da86774e JA |
614 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
615 | ||
616 | f = fopen(tmp, "r+"); | |
617 | if (!f) { | |
e1161c32 | 618 | td_verror(td, errno, "fopen"); |
da86774e JA |
619 | return 1; |
620 | } | |
621 | ||
622 | /* | |
623 | * Set io scheduler. | |
624 | */ | |
625 | ret = fwrite(td->ioscheduler, strlen(td->ioscheduler), 1, f); | |
626 | if (ferror(f) || ret != 1) { | |
e1161c32 | 627 | td_verror(td, errno, "fwrite"); |
da86774e JA |
628 | fclose(f); |
629 | return 1; | |
630 | } | |
631 | ||
632 | rewind(f); | |
633 | ||
634 | /* | |
635 | * Read back and check that the selected scheduler is now the default. | |
636 | */ | |
637 | ret = fread(tmp, 1, sizeof(tmp), f); | |
638 | if (ferror(f) || ret < 0) { | |
e1161c32 | 639 | td_verror(td, errno, "fread"); |
da86774e JA |
640 | fclose(f); |
641 | return 1; | |
642 | } | |
643 | ||
644 | sprintf(tmp2, "[%s]", td->ioscheduler); | |
645 | if (!strstr(tmp, tmp2)) { | |
3b70d7e5 | 646 | log_err("fio: io scheduler %s not found\n", td->ioscheduler); |
e1161c32 | 647 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
648 | fclose(f); |
649 | return 1; | |
650 | } | |
651 | ||
652 | fclose(f); | |
653 | return 0; | |
654 | } | |
655 | ||
ebac4655 JA |
656 | static void clear_io_state(struct thread_data *td) |
657 | { | |
53cdc686 JA |
658 | struct fio_file *f; |
659 | int i; | |
ebac4655 | 660 | |
079ad09b | 661 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 662 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 663 | td->zone_bytes = 0; |
ebac4655 | 664 | |
c1324df1 JA |
665 | td->last_was_sync = 0; |
666 | ||
53cdc686 | 667 | for_each_file(td, f, i) { |
c1324df1 JA |
668 | f->last_completed_pos = 0; |
669 | ||
53cdc686 JA |
670 | f->last_pos = 0; |
671 | if (td->io_ops->flags & FIO_SYNCIO) | |
672 | lseek(f->fd, SEEK_SET, 0); | |
673 | ||
674 | if (f->file_map) | |
675 | memset(f->file_map, 0, f->num_maps * sizeof(long)); | |
676 | } | |
ebac4655 JA |
677 | } |
678 | ||
906c8d75 JA |
679 | /* |
680 | * Entry point for the thread based jobs. The process based jobs end up | |
681 | * here as well, after a little setup. | |
682 | */ | |
ebac4655 JA |
683 | static void *thread_main(void *data) |
684 | { | |
69008999 | 685 | unsigned long long runtime[2]; |
ebac4655 | 686 | struct thread_data *td = data; |
ebac4655 JA |
687 | |
688 | if (!td->use_thread) | |
689 | setsid(); | |
690 | ||
691 | td->pid = getpid(); | |
692 | ||
aea47d44 JA |
693 | INIT_LIST_HEAD(&td->io_u_freelist); |
694 | INIT_LIST_HEAD(&td->io_u_busylist); | |
755200a3 | 695 | INIT_LIST_HEAD(&td->io_u_requeues); |
aea47d44 JA |
696 | INIT_LIST_HEAD(&td->io_hist_list); |
697 | INIT_LIST_HEAD(&td->io_log_list); | |
698 | ||
ebac4655 JA |
699 | if (init_io_u(td)) |
700 | goto err; | |
701 | ||
702 | if (fio_setaffinity(td) == -1) { | |
e1161c32 | 703 | td_verror(td, errno, "cpu_set_affinity"); |
ebac4655 JA |
704 | goto err; |
705 | } | |
706 | ||
aea47d44 JA |
707 | if (init_iolog(td)) |
708 | goto err; | |
709 | ||
ebac4655 JA |
710 | if (td->ioprio) { |
711 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { | |
e1161c32 | 712 | td_verror(td, errno, "ioprio_set"); |
ebac4655 JA |
713 | goto err; |
714 | } | |
715 | } | |
716 | ||
1056eaad | 717 | if (nice(td->nice) == -1) { |
e1161c32 | 718 | td_verror(td, errno, "nice"); |
b6f4d880 JA |
719 | goto err; |
720 | } | |
721 | ||
75154845 JA |
722 | if (init_random_state(td)) |
723 | goto err; | |
724 | ||
56f9498d JA |
725 | if (td->ioscheduler && switch_ioscheduler(td)) |
726 | goto err; | |
da86774e | 727 | |
75154845 | 728 | td_set_runstate(td, TD_INITIALIZED); |
bbfd6b00 JA |
729 | fio_sem_up(&startup_sem); |
730 | fio_sem_down(&td->mutex); | |
ebac4655 | 731 | |
53cdc686 | 732 | if (!td->create_serialize && setup_files(td)) |
ebac4655 | 733 | goto err; |
21972cde JA |
734 | if (open_files(td)) |
735 | goto err; | |
ebac4655 | 736 | |
7d6c5283 JA |
737 | /* |
738 | * Do this late, as some IO engines would like to have the | |
739 | * files setup prior to initializing structures. | |
740 | */ | |
741 | if (td_io_init(td)) | |
742 | goto err; | |
743 | ||
69cfd7e0 JA |
744 | if (td->exec_prerun) { |
745 | if (system(td->exec_prerun) < 0) | |
746 | goto err; | |
747 | } | |
4e0ba8af | 748 | |
69008999 | 749 | fio_gettime(&td->epoch, NULL); |
433afcb4 | 750 | memcpy(&td->timeout_end, &td->epoch, sizeof(td->epoch)); |
079ad09b | 751 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
752 | |
753 | runtime[0] = runtime[1] = 0; | |
ebac4655 | 754 | while (td->loops--) { |
02bcaa8c | 755 | fio_gettime(&td->start, NULL); |
079ad09b | 756 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
ebac4655 JA |
757 | |
758 | if (td->ratemin) | |
079ad09b | 759 | memcpy(&td->lastrate, &td->ts.stat_sample_time, sizeof(td->lastrate)); |
ebac4655 JA |
760 | |
761 | clear_io_state(td); | |
762 | prune_io_piece_log(td); | |
763 | ||
2866c82d | 764 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
765 | do_cpuio(td); |
766 | else | |
767 | do_io(td); | |
ebac4655 | 768 | |
413dd459 JA |
769 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
770 | runtime[DDIR_READ] += utime_since_now(&td->start); | |
771 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
772 | runtime[DDIR_WRITE] += utime_since_now(&td->start); | |
773 | ||
ebac4655 JA |
774 | if (td->error || td->terminate) |
775 | break; | |
776 | ||
777 | if (td->verify == VERIFY_NONE) | |
778 | continue; | |
779 | ||
780 | clear_io_state(td); | |
02bcaa8c | 781 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
782 | |
783 | do_verify(td); | |
784 | ||
69008999 | 785 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
786 | |
787 | if (td->error || td->terminate) | |
788 | break; | |
789 | } | |
790 | ||
36dff966 | 791 | update_rusage_stat(td); |
69008999 JA |
792 | fio_gettime(&td->end_time, NULL); |
793 | td->runtime[0] = runtime[0] / 1000; | |
794 | td->runtime[1] = runtime[1] / 1000; | |
795 | ||
079ad09b JA |
796 | if (td->ts.bw_log) |
797 | finish_log(td, td->ts.bw_log, "bw"); | |
798 | if (td->ts.slat_log) | |
799 | finish_log(td, td->ts.slat_log, "slat"); | |
800 | if (td->ts.clat_log) | |
801 | finish_log(td, td->ts.clat_log, "clat"); | |
076efc7c | 802 | if (td->write_iolog_file) |
843a7413 | 803 | write_iolog_close(td); |
69cfd7e0 JA |
804 | if (td->exec_postrun) { |
805 | if (system(td->exec_postrun) < 0) | |
806 | log_err("fio: postrun %s failed\n", td->exec_postrun); | |
807 | } | |
ebac4655 JA |
808 | |
809 | if (exitall_on_terminate) | |
6ce15a32 | 810 | terminate_threads(td->groupid, 0); |
ebac4655 JA |
811 | |
812 | err: | |
5bf13a5a JA |
813 | if (td->error) |
814 | printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
53cdc686 | 815 | close_files(td); |
2866c82d | 816 | close_ioengine(td); |
ebac4655 | 817 | cleanup_io_u(td); |
ebac4655 | 818 | td_set_runstate(td, TD_EXITED); |
43d76807 | 819 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
820 | } |
821 | ||
906c8d75 JA |
822 | /* |
823 | * We cannot pass the td data into a forked process, so attach the td and | |
824 | * pass it to the thread worker. | |
825 | */ | |
a6418147 | 826 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
827 | { |
828 | struct thread_data *td; | |
a6418147 | 829 | void *data, *ret; |
ebac4655 JA |
830 | |
831 | data = shmat(shmid, NULL, 0); | |
832 | if (data == (void *) -1) { | |
a6418147 JA |
833 | int __err = errno; |
834 | ||
ebac4655 | 835 | perror("shmat"); |
a6418147 | 836 | return __err; |
ebac4655 JA |
837 | } |
838 | ||
839 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 840 | ret = thread_main(td); |
ebac4655 | 841 | shmdt(data); |
43d76807 | 842 | return (int) (unsigned long) ret; |
ebac4655 JA |
843 | } |
844 | ||
906c8d75 JA |
845 | /* |
846 | * Run over the job map and reap the threads that have exited, if any. | |
847 | */ | |
ebac4655 JA |
848 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
849 | { | |
34572e28 | 850 | struct thread_data *td; |
fab6aa71 | 851 | int i, cputhreads, pending, status, ret; |
ebac4655 JA |
852 | |
853 | /* | |
854 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
855 | */ | |
4d2413c6 | 856 | pending = cputhreads = 0; |
34572e28 | 857 | for_each_td(td, i) { |
3707f45b | 858 | int flags = 0; |
a2f77c9f | 859 | |
84585003 JA |
860 | /* |
861 | * ->io_ops is NULL for a thread that has closed its | |
862 | * io engine | |
863 | */ | |
864 | if (td->io_ops && td->io_ops->flags & FIO_CPUIO) | |
b990b5c0 JA |
865 | cputhreads++; |
866 | ||
a2f77c9f JA |
867 | if (!td->pid || td->runstate == TD_REAPED) |
868 | continue; | |
3707f45b JA |
869 | if (td->use_thread) { |
870 | if (td->runstate == TD_EXITED) { | |
871 | td_set_runstate(td, TD_REAPED); | |
872 | goto reaped; | |
873 | } | |
874 | continue; | |
875 | } | |
a2f77c9f JA |
876 | |
877 | flags = WNOHANG; | |
878 | if (td->runstate == TD_EXITED) | |
879 | flags = 0; | |
880 | ||
881 | /* | |
882 | * check if someone quit or got killed in an unusual way | |
883 | */ | |
884 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 885 | if (ret < 0) { |
a2f77c9f JA |
886 | if (errno == ECHILD) { |
887 | log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate); | |
888 | td_set_runstate(td, TD_REAPED); | |
889 | goto reaped; | |
890 | } | |
891 | perror("waitpid"); | |
892 | } else if (ret == td->pid) { | |
893 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
894 | int sig = WTERMSIG(status); |
895 | ||
896 | log_err("fio: pid=%d, got signal=%d\n", td->pid, sig); | |
897 | td_set_runstate(td, TD_REAPED); | |
898 | goto reaped; | |
899 | } | |
a2f77c9f JA |
900 | if (WIFEXITED(status)) { |
901 | if (WEXITSTATUS(status) && !td->error) | |
902 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 903 | |
a2f77c9f JA |
904 | td_set_runstate(td, TD_REAPED); |
905 | goto reaped; | |
a6418147 JA |
906 | } |
907 | } | |
ebac4655 | 908 | |
a2f77c9f JA |
909 | /* |
910 | * thread is not dead, continue | |
911 | */ | |
912 | continue; | |
fab6aa71 | 913 | reaped: |
3707f45b JA |
914 | if (td->use_thread) { |
915 | long ret; | |
916 | ||
917 | if (pthread_join(td->thread, (void *) &ret)) | |
918 | perror("pthread_join"); | |
919 | } | |
920 | ||
ebac4655 JA |
921 | (*nr_running)--; |
922 | (*m_rate) -= td->ratemin; | |
923 | (*t_rate) -= td->rate; | |
a2f77c9f JA |
924 | |
925 | if (td->error) | |
926 | exit_value++; | |
ebac4655 | 927 | } |
b990b5c0 | 928 | |
4d2413c6 | 929 | if (*nr_running == cputhreads && !pending) |
6ce15a32 | 930 | terminate_threads(TERMINATE_ALL, 0); |
ebac4655 JA |
931 | } |
932 | ||
906c8d75 JA |
933 | /* |
934 | * Main function for kicking off and reaping jobs, as needed. | |
935 | */ | |
ebac4655 JA |
936 | static void run_threads(void) |
937 | { | |
ebac4655 JA |
938 | struct thread_data *td; |
939 | unsigned long spent; | |
940 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 941 | |
2f9ade3c JA |
942 | if (fio_pin_memory()) |
943 | return; | |
ebac4655 | 944 | |
c6ae0a5b JA |
945 | if (!terse_output) { |
946 | printf("Starting %d thread%s\n", thread_number, thread_number > 1 ? "s" : ""); | |
947 | fflush(stdout); | |
948 | } | |
c04f7ec3 | 949 | |
4efa970e JA |
950 | signal(SIGINT, sig_handler); |
951 | signal(SIGALRM, sig_handler); | |
952 | ||
ebac4655 JA |
953 | todo = thread_number; |
954 | nr_running = 0; | |
955 | nr_started = 0; | |
956 | m_rate = t_rate = 0; | |
957 | ||
34572e28 | 958 | for_each_td(td, i) { |
263e529f | 959 | print_status_init(td->thread_number - 1); |
ebac4655 | 960 | |
380cf265 JA |
961 | if (!td->create_serialize) { |
962 | init_disk_util(td); | |
ebac4655 | 963 | continue; |
380cf265 | 964 | } |
ebac4655 JA |
965 | |
966 | /* | |
967 | * do file setup here so it happens sequentially, | |
968 | * we don't want X number of threads getting their | |
969 | * client data interspersed on disk | |
970 | */ | |
53cdc686 | 971 | if (setup_files(td)) { |
5bf13a5a JA |
972 | exit_value++; |
973 | if (td->error) | |
974 | log_err("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
ebac4655 JA |
975 | td_set_runstate(td, TD_REAPED); |
976 | todo--; | |
977 | } | |
380cf265 JA |
978 | |
979 | init_disk_util(td); | |
ebac4655 JA |
980 | } |
981 | ||
a2f77c9f JA |
982 | set_genesis_time(); |
983 | ||
ebac4655 | 984 | while (todo) { |
75154845 JA |
985 | struct thread_data *map[MAX_JOBS]; |
986 | struct timeval this_start; | |
987 | int this_jobs = 0, left; | |
988 | ||
ebac4655 JA |
989 | /* |
990 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
991 | */ | |
34572e28 | 992 | for_each_td(td, i) { |
ebac4655 JA |
993 | if (td->runstate != TD_NOT_CREATED) |
994 | continue; | |
995 | ||
996 | /* | |
997 | * never got a chance to start, killed by other | |
998 | * thread for some reason | |
999 | */ | |
1000 | if (td->terminate) { | |
1001 | todo--; | |
1002 | continue; | |
1003 | } | |
1004 | ||
1005 | if (td->start_delay) { | |
263e529f | 1006 | spent = mtime_since_genesis(); |
ebac4655 JA |
1007 | |
1008 | if (td->start_delay * 1000 > spent) | |
1009 | continue; | |
1010 | } | |
1011 | ||
1012 | if (td->stonewall && (nr_started || nr_running)) | |
1013 | break; | |
1014 | ||
75154845 JA |
1015 | /* |
1016 | * Set state to created. Thread will transition | |
1017 | * to TD_INITIALIZED when it's done setting up. | |
1018 | */ | |
ebac4655 | 1019 | td_set_runstate(td, TD_CREATED); |
75154845 | 1020 | map[this_jobs++] = td; |
bbfd6b00 | 1021 | fio_sem_init(&startup_sem, 1); |
ebac4655 JA |
1022 | nr_started++; |
1023 | ||
1024 | if (td->use_thread) { | |
1025 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
1026 | perror("thread_create"); | |
1027 | nr_started--; | |
1028 | } | |
1029 | } else { | |
1030 | if (fork()) | |
bbfd6b00 | 1031 | fio_sem_down(&startup_sem); |
ebac4655 | 1032 | else { |
a6418147 JA |
1033 | int ret = fork_main(shm_id, i); |
1034 | ||
1035 | exit(ret); | |
ebac4655 JA |
1036 | } |
1037 | } | |
1038 | } | |
1039 | ||
1040 | /* | |
75154845 JA |
1041 | * Wait for the started threads to transition to |
1042 | * TD_INITIALIZED. | |
ebac4655 | 1043 | */ |
02bcaa8c | 1044 | fio_gettime(&this_start, NULL); |
75154845 | 1045 | left = this_jobs; |
6ce15a32 | 1046 | while (left && !fio_abort) { |
75154845 JA |
1047 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1048 | break; | |
1049 | ||
1050 | usleep(100000); | |
1051 | ||
1052 | for (i = 0; i < this_jobs; i++) { | |
1053 | td = map[i]; | |
1054 | if (!td) | |
1055 | continue; | |
b6f4d880 | 1056 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1057 | map[i] = NULL; |
1058 | left--; | |
b6f4d880 JA |
1059 | } else if (td->runstate >= TD_EXITED) { |
1060 | map[i] = NULL; | |
1061 | left--; | |
1062 | todo--; | |
1063 | nr_running++; /* work-around... */ | |
75154845 JA |
1064 | } |
1065 | } | |
1066 | } | |
1067 | ||
1068 | if (left) { | |
3b70d7e5 | 1069 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1070 | for (i = 0; i < this_jobs; i++) { |
1071 | td = map[i]; | |
1072 | if (!td) | |
1073 | continue; | |
1074 | kill(td->pid, SIGTERM); | |
1075 | } | |
1076 | break; | |
1077 | } | |
1078 | ||
1079 | /* | |
b6f4d880 | 1080 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1081 | */ |
34572e28 | 1082 | for_each_td(td, i) { |
75154845 | 1083 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1084 | continue; |
1085 | ||
1086 | td_set_runstate(td, TD_RUNNING); | |
1087 | nr_running++; | |
1088 | nr_started--; | |
1089 | m_rate += td->ratemin; | |
1090 | t_rate += td->rate; | |
75154845 | 1091 | todo--; |
bbfd6b00 | 1092 | fio_sem_up(&td->mutex); |
ebac4655 JA |
1093 | } |
1094 | ||
1095 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1096 | ||
1097 | if (todo) | |
1098 | usleep(100000); | |
1099 | } | |
1100 | ||
1101 | while (nr_running) { | |
1102 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1103 | usleep(10000); | |
1104 | } | |
1105 | ||
1106 | update_io_ticks(); | |
2f9ade3c | 1107 | fio_unpin_memory(); |
ebac4655 JA |
1108 | } |
1109 | ||
ebac4655 JA |
1110 | int main(int argc, char *argv[]) |
1111 | { | |
29d610e1 JA |
1112 | long ps; |
1113 | ||
dbe1125e JA |
1114 | /* |
1115 | * We need locale for number printing, if it isn't set then just | |
1116 | * go with the US format. | |
1117 | */ | |
1118 | if (!getenv("LC_NUMERIC")) | |
1119 | setlocale(LC_NUMERIC, "en_US"); | |
1120 | ||
ebac4655 JA |
1121 | if (parse_options(argc, argv)) |
1122 | return 1; | |
1123 | ||
1124 | if (!thread_number) { | |
3b70d7e5 | 1125 | log_err("Nothing to do\n"); |
ebac4655 JA |
1126 | return 1; |
1127 | } | |
1128 | ||
29d610e1 JA |
1129 | ps = sysconf(_SC_PAGESIZE); |
1130 | if (ps < 0) { | |
1131 | log_err("Failed to get page size\n"); | |
1132 | return 1; | |
1133 | } | |
1134 | ||
1135 | page_mask = ps - 1; | |
1136 | ||
bb3884d8 JA |
1137 | if (write_bw_log) { |
1138 | setup_log(&agg_io_log[DDIR_READ]); | |
1139 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1140 | } | |
1141 | ||
a2f77c9f JA |
1142 | set_genesis_time(); |
1143 | ||
ebac4655 JA |
1144 | disk_util_timer_arm(); |
1145 | ||
1146 | run_threads(); | |
6ce15a32 | 1147 | |
bb3884d8 | 1148 | if (!fio_abort) { |
6ce15a32 | 1149 | show_run_stats(); |
bb3884d8 JA |
1150 | if (write_bw_log) { |
1151 | __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log"); | |
1152 | __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log"); | |
1153 | } | |
1154 | } | |
ebac4655 | 1155 | |
437c9b71 | 1156 | return exit_value; |
ebac4655 | 1157 | } |