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 | ||
390c40e2 | 63 | static void terminate_threads(int group_id) |
ebac4655 | 64 | { |
34572e28 | 65 | struct thread_data *td; |
ebac4655 JA |
66 | int i; |
67 | ||
34572e28 | 68 | for_each_td(td, i) { |
ebac4655 | 69 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
d9244941 | 70 | kill(td->pid, SIGQUIT); |
ebac4655 JA |
71 | td->terminate = 1; |
72 | td->start_delay = 0; | |
73 | } | |
74 | } | |
75 | } | |
76 | ||
77 | static void sig_handler(int sig) | |
78 | { | |
79 | switch (sig) { | |
80 | case SIGALRM: | |
81 | update_io_ticks(); | |
82 | disk_util_timer_arm(); | |
83 | print_thread_status(); | |
84 | break; | |
85 | default: | |
6ce15a32 | 86 | printf("\nfio: terminating on signal %d\n", sig); |
ebac4655 | 87 | fflush(stdout); |
390c40e2 | 88 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
89 | break; |
90 | } | |
91 | } | |
92 | ||
906c8d75 JA |
93 | /* |
94 | * Check if we are above the minimum rate given. | |
95 | */ | |
ebac4655 JA |
96 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
97 | { | |
0904200b | 98 | unsigned long long bytes = 0; |
ebac4655 JA |
99 | unsigned long spent; |
100 | unsigned long rate; | |
ebac4655 | 101 | |
780bf1a1 JA |
102 | /* |
103 | * No minimum rate set, always ok | |
104 | */ | |
105 | if (!td->ratemin) | |
106 | return 0; | |
107 | ||
ebac4655 JA |
108 | /* |
109 | * allow a 2 second settle period in the beginning | |
110 | */ | |
111 | if (mtime_since(&td->start, now) < 2000) | |
112 | return 0; | |
113 | ||
0904200b JA |
114 | if (td_read(td)) |
115 | bytes += td->this_io_bytes[DDIR_READ]; | |
116 | if (td_write(td)) | |
117 | bytes += td->this_io_bytes[DDIR_WRITE]; | |
118 | ||
ebac4655 JA |
119 | /* |
120 | * if rate blocks is set, sample is running | |
121 | */ | |
122 | if (td->rate_bytes) { | |
123 | spent = mtime_since(&td->lastrate, now); | |
124 | if (spent < td->ratecycle) | |
125 | return 0; | |
126 | ||
413dd459 JA |
127 | if (bytes < td->rate_bytes) { |
128 | fprintf(f_out, "%s: min rate %u not met\n", td->name, td->ratemin); | |
ebac4655 | 129 | return 1; |
413dd459 JA |
130 | } else { |
131 | rate = (bytes - td->rate_bytes) / spent; | |
132 | if (rate < td->ratemin || bytes < td->rate_bytes) { | |
133 | fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate); | |
134 | return 1; | |
135 | } | |
ebac4655 JA |
136 | } |
137 | } | |
138 | ||
0904200b | 139 | td->rate_bytes = bytes; |
ebac4655 JA |
140 | memcpy(&td->lastrate, now, sizeof(*now)); |
141 | return 0; | |
142 | } | |
143 | ||
144 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) | |
145 | { | |
146 | if (!td->timeout) | |
147 | return 0; | |
148 | if (mtime_since(&td->epoch, t) >= td->timeout * 1000) | |
149 | return 1; | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
906c8d75 JA |
154 | /* |
155 | * When job exits, we can cancel the in-flight IO if we are using async | |
156 | * io. Attempt to do so. | |
157 | */ | |
ebac4655 JA |
158 | static void cleanup_pending_aio(struct thread_data *td) |
159 | { | |
ebac4655 | 160 | struct list_head *entry, *n; |
ebac4655 JA |
161 | struct io_u *io_u; |
162 | int r; | |
163 | ||
164 | /* | |
165 | * get immediately available events, if any | |
166 | */ | |
d7762cf8 | 167 | r = io_u_queued_complete(td, 0); |
b2fdda43 JA |
168 | if (r < 0) |
169 | return; | |
ebac4655 JA |
170 | |
171 | /* | |
172 | * now cancel remaining active events | |
173 | */ | |
2866c82d | 174 | if (td->io_ops->cancel) { |
ebac4655 JA |
175 | list_for_each_safe(entry, n, &td->io_u_busylist) { |
176 | io_u = list_entry(entry, struct io_u, list); | |
177 | ||
0c6e7517 JA |
178 | /* |
179 | * if the io_u isn't in flight, then that generally | |
180 | * means someone leaked an io_u. complain but fix | |
181 | * it up, so we don't stall here. | |
182 | */ | |
183 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
184 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 185 | put_io_u(td, io_u); |
0c6e7517 JA |
186 | } else { |
187 | r = td->io_ops->cancel(td, io_u); | |
188 | if (!r) | |
189 | put_io_u(td, io_u); | |
190 | } | |
ebac4655 JA |
191 | } |
192 | } | |
193 | ||
97601024 | 194 | if (td->cur_depth) |
d7762cf8 | 195 | r = io_u_queued_complete(td, td->cur_depth); |
ebac4655 JA |
196 | } |
197 | ||
858a3d47 JA |
198 | /* |
199 | * Helper to handle the final sync of a file. Works just like the normal | |
200 | * io path, just does everything sync. | |
201 | */ | |
202 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
203 | { | |
204 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
205 | int ret; |
206 | ||
207 | if (!io_u) | |
208 | return 1; | |
209 | ||
210 | io_u->ddir = DDIR_SYNC; | |
211 | io_u->file = f; | |
212 | ||
213 | if (td_io_prep(td, io_u)) { | |
214 | put_io_u(td, io_u); | |
215 | return 1; | |
216 | } | |
217 | ||
755200a3 | 218 | requeue: |
858a3d47 | 219 | ret = td_io_queue(td, io_u); |
36167d82 | 220 | if (ret < 0) { |
e1161c32 | 221 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 222 | put_io_u(td, io_u); |
858a3d47 | 223 | return 1; |
36167d82 | 224 | } else if (ret == FIO_Q_QUEUED) { |
d7762cf8 | 225 | if (io_u_queued_complete(td, 1) < 0) |
36167d82 | 226 | return 1; |
36167d82 JA |
227 | } else if (ret == FIO_Q_COMPLETED) { |
228 | if (io_u->error) { | |
e1161c32 | 229 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
230 | return 1; |
231 | } | |
858a3d47 | 232 | |
d7762cf8 | 233 | if (io_u_sync_complete(td, io_u) < 0) |
b2fdda43 | 234 | return 1; |
755200a3 JA |
235 | } else if (ret == FIO_Q_BUSY) { |
236 | if (td_io_commit(td)) | |
237 | return 1; | |
238 | goto requeue; | |
858a3d47 JA |
239 | } |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
906c8d75 | 244 | /* |
34403fb1 | 245 | * The main verify engine. Runs over the writes we previously submitted, |
906c8d75 JA |
246 | * reads the blocks back in, and checks the crc/md5 of the data. |
247 | */ | |
1e97cce9 | 248 | static void do_verify(struct thread_data *td) |
ebac4655 | 249 | { |
53cdc686 | 250 | struct fio_file *f; |
36167d82 | 251 | struct io_u *io_u; |
3af6ef39 | 252 | int ret, i, min_events; |
e5b401d4 JA |
253 | |
254 | /* | |
255 | * sync io first and invalidate cache, to make sure we really | |
256 | * read from disk. | |
257 | */ | |
258 | for_each_file(td, f, i) { | |
b2fdda43 JA |
259 | if (fio_io_sync(td, f)) |
260 | break; | |
261 | if (file_invalidate_cache(td, f)) | |
262 | break; | |
e5b401d4 | 263 | } |
ebac4655 | 264 | |
b2fdda43 JA |
265 | if (td->error) |
266 | return; | |
267 | ||
ebac4655 JA |
268 | td_set_runstate(td, TD_VERIFYING); |
269 | ||
36167d82 JA |
270 | io_u = NULL; |
271 | while (!td->terminate) { | |
5451792e JA |
272 | int ret2; |
273 | ||
ebac4655 JA |
274 | io_u = __get_io_u(td); |
275 | if (!io_u) | |
276 | break; | |
277 | ||
069c2918 JA |
278 | if (runtime_exceeded(td, &io_u->start_time)) { |
279 | put_io_u(td, io_u); | |
02bcaa8c | 280 | break; |
069c2918 | 281 | } |
02bcaa8c | 282 | |
069c2918 JA |
283 | if (get_next_verify(td, io_u)) { |
284 | put_io_u(td, io_u); | |
ebac4655 | 285 | break; |
069c2918 | 286 | } |
ebac4655 | 287 | |
069c2918 JA |
288 | if (td_io_prep(td, io_u)) { |
289 | put_io_u(td, io_u); | |
53cdc686 | 290 | break; |
069c2918 | 291 | } |
d7762cf8 JA |
292 | |
293 | io_u->end_io = verify_io_u; | |
53cdc686 | 294 | |
11786802 | 295 | ret = td_io_queue(td, io_u); |
36167d82 JA |
296 | switch (ret) { |
297 | case FIO_Q_COMPLETED: | |
298 | if (io_u->error) | |
22819ec2 | 299 | ret = -io_u->error; |
5451792e | 300 | else if (io_u->xfer_buflen != io_u->resid && io_u->resid) { |
36167d82 | 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; | |
11786802 JA |
305 | requeue_io_u(td, &io_u); |
306 | } else { | |
307 | ret = io_u_sync_complete(td, io_u); | |
308 | if (ret < 0) | |
309 | break; | |
36167d82 | 310 | } |
36167d82 JA |
311 | continue; |
312 | case FIO_Q_QUEUED: | |
313 | break; | |
755200a3 JA |
314 | case FIO_Q_BUSY: |
315 | requeue_io_u(td, &io_u); | |
5451792e JA |
316 | ret2 = td_io_commit(td); |
317 | if (ret2 < 0) | |
318 | ret = ret2; | |
755200a3 | 319 | break; |
36167d82 JA |
320 | default: |
321 | assert(ret < 0); | |
e1161c32 | 322 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
323 | break; |
324 | } | |
325 | ||
99784632 | 326 | if (ret < 0 || td->error) |
3af6ef39 JA |
327 | break; |
328 | ||
ebac4655 | 329 | /* |
3af6ef39 JA |
330 | * if we can queue more, do so. but check if there are |
331 | * completed io_u's first. | |
ebac4655 | 332 | */ |
97601024 | 333 | min_events = 0; |
e916b390 | 334 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
3af6ef39 | 335 | min_events = 1; |
3af6ef39 | 336 | |
e916b390 JA |
337 | if (td->cur_depth > td->iodepth_low) |
338 | min_events = td->cur_depth - td->iodepth_low; | |
339 | } | |
340 | ||
3af6ef39 JA |
341 | /* |
342 | * Reap required number of io units, if any, and do the | |
343 | * verification on them through the callback handler | |
344 | */ | |
d7762cf8 | 345 | if (io_u_queued_complete(td, min_events) < 0) |
ebac4655 | 346 | break; |
36167d82 | 347 | } |
ebac4655 | 348 | |
c01c0395 JA |
349 | if (!td->error) { |
350 | min_events = td->cur_depth; | |
351 | ||
352 | if (min_events) | |
353 | ret = io_u_queued_complete(td, min_events); | |
354 | } else | |
ebac4655 JA |
355 | cleanup_pending_aio(td); |
356 | ||
357 | td_set_runstate(td, TD_RUNNING); | |
358 | } | |
359 | ||
b990b5c0 JA |
360 | /* |
361 | * Not really an io thread, all it does is burn CPU cycles in the specified | |
362 | * manner. | |
363 | */ | |
364 | static void do_cpuio(struct thread_data *td) | |
365 | { | |
366 | struct timeval e; | |
367 | int split = 100 / td->cpuload; | |
368 | int i = 0; | |
369 | ||
370 | while (!td->terminate) { | |
02bcaa8c | 371 | fio_gettime(&e, NULL); |
b990b5c0 JA |
372 | |
373 | if (runtime_exceeded(td, &e)) | |
374 | break; | |
375 | ||
376 | if (!(i % split)) | |
377 | __usec_sleep(10000); | |
378 | else | |
379 | usec_sleep(td, 10000); | |
380 | ||
381 | i++; | |
382 | } | |
383 | } | |
384 | ||
32cd46a0 | 385 | /* |
906c8d75 | 386 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
387 | * and reaps them, checking for rate and errors along the way. |
388 | */ | |
ebac4655 JA |
389 | static void do_io(struct thread_data *td) |
390 | { | |
02bcaa8c | 391 | struct timeval s; |
ebac4655 | 392 | unsigned long usec; |
84585003 | 393 | int i, ret = 0; |
ebac4655 | 394 | |
5853e5a8 JA |
395 | td_set_runstate(td, TD_RUNNING); |
396 | ||
3951414d | 397 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->io_size) { |
97601024 JA |
398 | struct timeval comp_time; |
399 | long bytes_done = 0; | |
84585003 | 400 | int min_evts = 0; |
ebac4655 | 401 | struct io_u *io_u; |
5451792e | 402 | int ret2; |
ebac4655 JA |
403 | |
404 | if (td->terminate) | |
405 | break; | |
406 | ||
3d7c391d | 407 | io_u = get_io_u(td); |
ebac4655 JA |
408 | if (!io_u) |
409 | break; | |
410 | ||
411 | memcpy(&s, &io_u->start_time, sizeof(s)); | |
97601024 JA |
412 | |
413 | if (runtime_exceeded(td, &s)) { | |
414 | put_io_u(td, io_u); | |
415 | break; | |
416 | } | |
36167d82 | 417 | |
11786802 | 418 | ret = td_io_queue(td, io_u); |
36167d82 JA |
419 | switch (ret) { |
420 | case FIO_Q_COMPLETED: | |
5451792e JA |
421 | if (io_u->error) |
422 | ret = -io_u->error; | |
423 | else if (io_u->xfer_buflen != io_u->resid && io_u->resid) { | |
36167d82 JA |
424 | int bytes = io_u->xfer_buflen - io_u->resid; |
425 | ||
cec6b55d | 426 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 427 | io_u->xfer_buf += bytes; |
11786802 JA |
428 | requeue_io_u(td, &io_u); |
429 | } else { | |
430 | fio_gettime(&comp_time, NULL); | |
431 | bytes_done = io_u_sync_complete(td, io_u); | |
432 | if (bytes_done < 0) | |
433 | ret = bytes_done; | |
cec6b55d | 434 | } |
36167d82 JA |
435 | break; |
436 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
437 | /* |
438 | * if the engine doesn't have a commit hook, | |
439 | * the io_u is really queued. if it does have such | |
440 | * a hook, it has to call io_u_queued() itself. | |
441 | */ | |
442 | if (td->io_ops->commit == NULL) | |
443 | io_u_queued(td, io_u); | |
36167d82 | 444 | break; |
755200a3 JA |
445 | case FIO_Q_BUSY: |
446 | requeue_io_u(td, &io_u); | |
5451792e JA |
447 | ret2 = td_io_commit(td); |
448 | if (ret2 < 0) | |
449 | ret = ret2; | |
755200a3 | 450 | break; |
36167d82 JA |
451 | default: |
452 | assert(ret < 0); | |
453 | put_io_u(td, io_u); | |
454 | break; | |
ebac4655 JA |
455 | } |
456 | ||
99784632 | 457 | if (ret < 0 || td->error) |
36167d82 JA |
458 | break; |
459 | ||
97601024 JA |
460 | /* |
461 | * See if we need to complete some commands | |
462 | */ | |
755200a3 | 463 | if (ret == FIO_Q_QUEUED || ret == FIO_Q_BUSY) { |
97601024 | 464 | min_evts = 0; |
e916b390 | 465 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
36167d82 | 466 | min_evts = 1; |
ebac4655 | 467 | |
e916b390 JA |
468 | if (td->cur_depth > td->iodepth_low) |
469 | min_evts = td->cur_depth - td->iodepth_low; | |
470 | } | |
471 | ||
97601024 | 472 | fio_gettime(&comp_time, NULL); |
d7762cf8 | 473 | bytes_done = io_u_queued_complete(td, min_evts); |
97601024 | 474 | if (bytes_done < 0) |
36167d82 | 475 | break; |
ebac4655 JA |
476 | } |
477 | ||
97601024 JA |
478 | if (!bytes_done) |
479 | continue; | |
480 | ||
ebac4655 JA |
481 | /* |
482 | * the rate is batched for now, it should work for batches | |
483 | * of completions except the very first one which may look | |
484 | * a little bursty | |
485 | */ | |
97601024 | 486 | usec = utime_since(&s, &comp_time); |
ebac4655 | 487 | |
413dd459 | 488 | rate_throttle(td, usec, bytes_done); |
ebac4655 | 489 | |
97601024 | 490 | if (check_min_rate(td, &comp_time)) { |
98aa62d8 | 491 | if (exitall_on_terminate) |
390c40e2 | 492 | terminate_threads(td->groupid); |
e1161c32 | 493 | td_verror(td, ENODATA, "check_min_rate"); |
ebac4655 JA |
494 | break; |
495 | } | |
496 | ||
9c1f7434 JA |
497 | if (td->thinktime) { |
498 | unsigned long long b; | |
499 | ||
500 | b = td->io_blocks[0] + td->io_blocks[1]; | |
48097d5c JA |
501 | if (!(b % td->thinktime_blocks)) { |
502 | int left; | |
503 | ||
504 | if (td->thinktime_spin) | |
505 | __usec_sleep(td->thinktime_spin); | |
506 | ||
507 | left = td->thinktime - td->thinktime_spin; | |
508 | if (left) | |
509 | usec_sleep(td, left); | |
510 | } | |
9c1f7434 | 511 | } |
ebac4655 JA |
512 | } |
513 | ||
4d2413c6 | 514 | if (!td->error) { |
3d7c391d JA |
515 | struct fio_file *f; |
516 | ||
c01c0395 JA |
517 | i = td->cur_depth; |
518 | if (i) | |
519 | ret = io_u_queued_complete(td, i); | |
ebac4655 | 520 | |
84585003 JA |
521 | if (should_fsync(td) && td->end_fsync) { |
522 | td_set_runstate(td, TD_FSYNCING); | |
523 | for_each_file(td, f, i) | |
858a3d47 | 524 | fio_io_sync(td, f); |
84585003 | 525 | } |
c01c0395 JA |
526 | } else |
527 | cleanup_pending_aio(td); | |
ebac4655 JA |
528 | } |
529 | ||
ebac4655 JA |
530 | static void cleanup_io_u(struct thread_data *td) |
531 | { | |
532 | struct list_head *entry, *n; | |
533 | struct io_u *io_u; | |
534 | ||
535 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
536 | io_u = list_entry(entry, struct io_u, list); | |
537 | ||
538 | list_del(&io_u->list); | |
539 | free(io_u); | |
540 | } | |
541 | ||
2f9ade3c | 542 | free_io_mem(td); |
ebac4655 JA |
543 | } |
544 | ||
6b9cea23 JA |
545 | /* |
546 | * "randomly" fill the buffer contents | |
547 | */ | |
66eeb296 | 548 | static void fill_rand_buf(struct io_u *io_u, int max_bs) |
6b9cea23 | 549 | { |
66eeb296 | 550 | int *ptr = io_u->buf; |
6b9cea23 JA |
551 | |
552 | while ((void *) ptr - io_u->buf < max_bs) { | |
553 | *ptr = rand() * 0x9e370001; | |
554 | ptr++; | |
555 | } | |
556 | } | |
557 | ||
ebac4655 JA |
558 | static int init_io_u(struct thread_data *td) |
559 | { | |
560 | struct io_u *io_u; | |
a00735e6 | 561 | unsigned int max_bs; |
ebac4655 JA |
562 | int i, max_units; |
563 | char *p; | |
564 | ||
2866c82d | 565 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
566 | return 0; |
567 | ||
2866c82d | 568 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
569 | max_units = 1; |
570 | else | |
571 | max_units = td->iodepth; | |
572 | ||
a00735e6 | 573 | max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]); |
74b025b0 JA |
574 | td->orig_buffer_size = max_bs * max_units; |
575 | ||
d0bdaf49 | 576 | if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE) |
56bb17f2 | 577 | td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1); |
74b025b0 | 578 | else |
29d610e1 | 579 | td->orig_buffer_size += page_mask; |
ebac4655 | 580 | |
2f9ade3c JA |
581 | if (allocate_io_mem(td)) |
582 | return 1; | |
ebac4655 | 583 | |
ebac4655 JA |
584 | p = ALIGN(td->orig_buffer); |
585 | for (i = 0; i < max_units; i++) { | |
586 | io_u = malloc(sizeof(*io_u)); | |
587 | memset(io_u, 0, sizeof(*io_u)); | |
588 | INIT_LIST_HEAD(&io_u->list); | |
589 | ||
a00735e6 | 590 | io_u->buf = p + max_bs * i; |
6b9cea23 | 591 | if (td_write(td) || td_rw(td)) |
a00735e6 | 592 | fill_rand_buf(io_u, max_bs); |
6b9cea23 | 593 | |
b1ff3403 | 594 | io_u->index = i; |
0c6e7517 | 595 | io_u->flags = IO_U_F_FREE; |
ebac4655 JA |
596 | list_add(&io_u->list, &td->io_u_freelist); |
597 | } | |
598 | ||
433afcb4 JA |
599 | io_u_init_timeout(); |
600 | ||
ebac4655 JA |
601 | return 0; |
602 | } | |
603 | ||
da86774e JA |
604 | static int switch_ioscheduler(struct thread_data *td) |
605 | { | |
606 | char tmp[256], tmp2[128]; | |
607 | FILE *f; | |
608 | int ret; | |
609 | ||
f48b467c JA |
610 | if (td->io_ops->flags & FIO_CPUIO) |
611 | return 0; | |
612 | ||
da86774e JA |
613 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
614 | ||
615 | f = fopen(tmp, "r+"); | |
616 | if (!f) { | |
e1161c32 | 617 | td_verror(td, errno, "fopen"); |
da86774e JA |
618 | return 1; |
619 | } | |
620 | ||
621 | /* | |
622 | * Set io scheduler. | |
623 | */ | |
624 | ret = fwrite(td->ioscheduler, strlen(td->ioscheduler), 1, f); | |
625 | if (ferror(f) || ret != 1) { | |
e1161c32 | 626 | td_verror(td, errno, "fwrite"); |
da86774e JA |
627 | fclose(f); |
628 | return 1; | |
629 | } | |
630 | ||
631 | rewind(f); | |
632 | ||
633 | /* | |
634 | * Read back and check that the selected scheduler is now the default. | |
635 | */ | |
636 | ret = fread(tmp, 1, sizeof(tmp), f); | |
637 | if (ferror(f) || ret < 0) { | |
e1161c32 | 638 | td_verror(td, errno, "fread"); |
da86774e JA |
639 | fclose(f); |
640 | return 1; | |
641 | } | |
642 | ||
643 | sprintf(tmp2, "[%s]", td->ioscheduler); | |
644 | if (!strstr(tmp, tmp2)) { | |
3b70d7e5 | 645 | log_err("fio: io scheduler %s not found\n", td->ioscheduler); |
e1161c32 | 646 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
647 | fclose(f); |
648 | return 1; | |
649 | } | |
650 | ||
651 | fclose(f); | |
652 | return 0; | |
653 | } | |
654 | ||
ebac4655 JA |
655 | static void clear_io_state(struct thread_data *td) |
656 | { | |
53cdc686 JA |
657 | struct fio_file *f; |
658 | int i; | |
ebac4655 | 659 | |
079ad09b | 660 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 661 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 662 | td->zone_bytes = 0; |
ebac4655 | 663 | |
c1324df1 JA |
664 | td->last_was_sync = 0; |
665 | ||
53cdc686 | 666 | for_each_file(td, f, i) { |
c1324df1 JA |
667 | f->last_completed_pos = 0; |
668 | ||
53cdc686 JA |
669 | f->last_pos = 0; |
670 | if (td->io_ops->flags & FIO_SYNCIO) | |
671 | lseek(f->fd, SEEK_SET, 0); | |
672 | ||
673 | if (f->file_map) | |
674 | memset(f->file_map, 0, f->num_maps * sizeof(long)); | |
675 | } | |
ebac4655 JA |
676 | } |
677 | ||
906c8d75 JA |
678 | /* |
679 | * Entry point for the thread based jobs. The process based jobs end up | |
680 | * here as well, after a little setup. | |
681 | */ | |
ebac4655 JA |
682 | static void *thread_main(void *data) |
683 | { | |
69008999 | 684 | unsigned long long runtime[2]; |
ebac4655 | 685 | struct thread_data *td = data; |
ebac4655 JA |
686 | |
687 | if (!td->use_thread) | |
688 | setsid(); | |
689 | ||
690 | td->pid = getpid(); | |
691 | ||
aea47d44 JA |
692 | INIT_LIST_HEAD(&td->io_u_freelist); |
693 | INIT_LIST_HEAD(&td->io_u_busylist); | |
755200a3 | 694 | INIT_LIST_HEAD(&td->io_u_requeues); |
aea47d44 JA |
695 | INIT_LIST_HEAD(&td->io_hist_list); |
696 | INIT_LIST_HEAD(&td->io_log_list); | |
697 | ||
ebac4655 JA |
698 | if (init_io_u(td)) |
699 | goto err; | |
700 | ||
701 | if (fio_setaffinity(td) == -1) { | |
e1161c32 | 702 | td_verror(td, errno, "cpu_set_affinity"); |
ebac4655 JA |
703 | goto err; |
704 | } | |
705 | ||
aea47d44 JA |
706 | if (init_iolog(td)) |
707 | goto err; | |
708 | ||
ebac4655 JA |
709 | if (td->ioprio) { |
710 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { | |
e1161c32 | 711 | td_verror(td, errno, "ioprio_set"); |
ebac4655 JA |
712 | goto err; |
713 | } | |
714 | } | |
715 | ||
1056eaad | 716 | if (nice(td->nice) == -1) { |
e1161c32 | 717 | td_verror(td, errno, "nice"); |
b6f4d880 JA |
718 | goto err; |
719 | } | |
720 | ||
75154845 JA |
721 | if (init_random_state(td)) |
722 | goto err; | |
723 | ||
56f9498d JA |
724 | if (td->ioscheduler && switch_ioscheduler(td)) |
725 | goto err; | |
da86774e | 726 | |
75154845 | 727 | td_set_runstate(td, TD_INITIALIZED); |
bbfd6b00 JA |
728 | fio_sem_up(&startup_sem); |
729 | fio_sem_down(&td->mutex); | |
ebac4655 | 730 | |
53cdc686 | 731 | if (!td->create_serialize && setup_files(td)) |
ebac4655 | 732 | goto err; |
21972cde JA |
733 | if (open_files(td)) |
734 | goto err; | |
ebac4655 | 735 | |
7d6c5283 JA |
736 | /* |
737 | * Do this late, as some IO engines would like to have the | |
738 | * files setup prior to initializing structures. | |
739 | */ | |
740 | if (td_io_init(td)) | |
741 | goto err; | |
742 | ||
69cfd7e0 JA |
743 | if (td->exec_prerun) { |
744 | if (system(td->exec_prerun) < 0) | |
745 | goto err; | |
746 | } | |
4e0ba8af | 747 | |
69008999 | 748 | fio_gettime(&td->epoch, NULL); |
433afcb4 | 749 | memcpy(&td->timeout_end, &td->epoch, sizeof(td->epoch)); |
079ad09b | 750 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
751 | |
752 | runtime[0] = runtime[1] = 0; | |
ebac4655 | 753 | while (td->loops--) { |
02bcaa8c | 754 | fio_gettime(&td->start, NULL); |
079ad09b | 755 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
ebac4655 JA |
756 | |
757 | if (td->ratemin) | |
079ad09b | 758 | memcpy(&td->lastrate, &td->ts.stat_sample_time, sizeof(td->lastrate)); |
ebac4655 JA |
759 | |
760 | clear_io_state(td); | |
761 | prune_io_piece_log(td); | |
762 | ||
2866c82d | 763 | if (td->io_ops->flags & FIO_CPUIO) |
b990b5c0 JA |
764 | do_cpuio(td); |
765 | else | |
766 | do_io(td); | |
ebac4655 | 767 | |
413dd459 JA |
768 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
769 | runtime[DDIR_READ] += utime_since_now(&td->start); | |
770 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
771 | runtime[DDIR_WRITE] += utime_since_now(&td->start); | |
772 | ||
ebac4655 JA |
773 | if (td->error || td->terminate) |
774 | break; | |
775 | ||
776 | if (td->verify == VERIFY_NONE) | |
777 | continue; | |
778 | ||
779 | clear_io_state(td); | |
02bcaa8c | 780 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
781 | |
782 | do_verify(td); | |
783 | ||
69008999 | 784 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
785 | |
786 | if (td->error || td->terminate) | |
787 | break; | |
788 | } | |
789 | ||
36dff966 | 790 | update_rusage_stat(td); |
69008999 JA |
791 | fio_gettime(&td->end_time, NULL); |
792 | td->runtime[0] = runtime[0] / 1000; | |
793 | td->runtime[1] = runtime[1] / 1000; | |
794 | ||
079ad09b JA |
795 | if (td->ts.bw_log) |
796 | finish_log(td, td->ts.bw_log, "bw"); | |
797 | if (td->ts.slat_log) | |
798 | finish_log(td, td->ts.slat_log, "slat"); | |
799 | if (td->ts.clat_log) | |
800 | finish_log(td, td->ts.clat_log, "clat"); | |
076efc7c | 801 | if (td->write_iolog_file) |
843a7413 | 802 | write_iolog_close(td); |
69cfd7e0 JA |
803 | if (td->exec_postrun) { |
804 | if (system(td->exec_postrun) < 0) | |
805 | log_err("fio: postrun %s failed\n", td->exec_postrun); | |
806 | } | |
ebac4655 JA |
807 | |
808 | if (exitall_on_terminate) | |
390c40e2 | 809 | terminate_threads(td->groupid); |
ebac4655 JA |
810 | |
811 | err: | |
5bf13a5a JA |
812 | if (td->error) |
813 | printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
53cdc686 | 814 | close_files(td); |
2866c82d | 815 | close_ioengine(td); |
ebac4655 | 816 | cleanup_io_u(td); |
ebac4655 | 817 | td_set_runstate(td, TD_EXITED); |
43d76807 | 818 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
819 | } |
820 | ||
906c8d75 JA |
821 | /* |
822 | * We cannot pass the td data into a forked process, so attach the td and | |
823 | * pass it to the thread worker. | |
824 | */ | |
a6418147 | 825 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
826 | { |
827 | struct thread_data *td; | |
a6418147 | 828 | void *data, *ret; |
ebac4655 JA |
829 | |
830 | data = shmat(shmid, NULL, 0); | |
831 | if (data == (void *) -1) { | |
a6418147 JA |
832 | int __err = errno; |
833 | ||
ebac4655 | 834 | perror("shmat"); |
a6418147 | 835 | return __err; |
ebac4655 JA |
836 | } |
837 | ||
838 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 839 | ret = thread_main(td); |
ebac4655 | 840 | shmdt(data); |
43d76807 | 841 | return (int) (unsigned long) ret; |
ebac4655 JA |
842 | } |
843 | ||
906c8d75 JA |
844 | /* |
845 | * Run over the job map and reap the threads that have exited, if any. | |
846 | */ | |
ebac4655 JA |
847 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
848 | { | |
34572e28 | 849 | struct thread_data *td; |
fab6aa71 | 850 | int i, cputhreads, pending, status, ret; |
ebac4655 JA |
851 | |
852 | /* | |
853 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
854 | */ | |
4d2413c6 | 855 | pending = cputhreads = 0; |
34572e28 | 856 | for_each_td(td, i) { |
3707f45b | 857 | int flags = 0; |
a2f77c9f | 858 | |
84585003 JA |
859 | /* |
860 | * ->io_ops is NULL for a thread that has closed its | |
861 | * io engine | |
862 | */ | |
863 | if (td->io_ops && td->io_ops->flags & FIO_CPUIO) | |
b990b5c0 JA |
864 | cputhreads++; |
865 | ||
a2f77c9f JA |
866 | if (!td->pid || td->runstate == TD_REAPED) |
867 | continue; | |
3707f45b JA |
868 | if (td->use_thread) { |
869 | if (td->runstate == TD_EXITED) { | |
870 | td_set_runstate(td, TD_REAPED); | |
871 | goto reaped; | |
872 | } | |
873 | continue; | |
874 | } | |
a2f77c9f JA |
875 | |
876 | flags = WNOHANG; | |
877 | if (td->runstate == TD_EXITED) | |
878 | flags = 0; | |
879 | ||
880 | /* | |
881 | * check if someone quit or got killed in an unusual way | |
882 | */ | |
883 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 884 | if (ret < 0) { |
a2f77c9f JA |
885 | if (errno == ECHILD) { |
886 | log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate); | |
887 | td_set_runstate(td, TD_REAPED); | |
888 | goto reaped; | |
889 | } | |
890 | perror("waitpid"); | |
891 | } else if (ret == td->pid) { | |
892 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
893 | int sig = WTERMSIG(status); |
894 | ||
d9244941 JA |
895 | if (sig != SIGQUIT) |
896 | log_err("fio: pid=%d, got signal=%d\n", td->pid, sig); | |
fab6aa71 JA |
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) |
390c40e2 | 930 | terminate_threads(TERMINATE_ALL); |
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 | } |