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; | |
9cedf167 JA |
46 | int nr_process = 0; |
47 | int nr_thread = 0; | |
ebac4655 | 48 | int shm_id = 0; |
53cdc686 | 49 | int temp_stall_ts; |
ebac4655 | 50 | |
07739b57 | 51 | static struct fio_sem *startup_sem; |
6ce15a32 | 52 | static volatile int fio_abort; |
437c9b71 | 53 | static int exit_value; |
ebac4655 | 54 | |
bb3884d8 JA |
55 | struct io_log *agg_io_log[2]; |
56 | ||
ebac4655 | 57 | #define TERMINATE_ALL (-1) |
75154845 | 58 | #define JOB_START_TIMEOUT (5 * 1000) |
ebac4655 | 59 | |
6ce15a32 JA |
60 | static inline void td_set_runstate(struct thread_data *td, int runstate) |
61 | { | |
62 | td->runstate = runstate; | |
63 | } | |
64 | ||
390c40e2 | 65 | static void terminate_threads(int group_id) |
ebac4655 | 66 | { |
34572e28 | 67 | struct thread_data *td; |
ebac4655 JA |
68 | int i; |
69 | ||
34572e28 | 70 | for_each_td(td, i) { |
ebac4655 | 71 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
c1302d44 JA |
72 | /* |
73 | * if the thread is running, just let it exit | |
74 | */ | |
75 | if (td->runstate < TD_RUNNING) | |
76 | kill(td->pid, SIGQUIT); | |
ebac4655 JA |
77 | td->terminate = 1; |
78 | td->start_delay = 0; | |
79 | } | |
80 | } | |
81 | } | |
82 | ||
83 | static void sig_handler(int sig) | |
84 | { | |
85 | switch (sig) { | |
86 | case SIGALRM: | |
87 | update_io_ticks(); | |
88 | disk_util_timer_arm(); | |
89 | print_thread_status(); | |
90 | break; | |
91 | default: | |
6ce15a32 | 92 | printf("\nfio: terminating on signal %d\n", sig); |
ebac4655 | 93 | fflush(stdout); |
390c40e2 | 94 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
95 | break; |
96 | } | |
97 | } | |
98 | ||
906c8d75 JA |
99 | /* |
100 | * Check if we are above the minimum rate given. | |
101 | */ | |
ebac4655 JA |
102 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
103 | { | |
0904200b | 104 | unsigned long long bytes = 0; |
ebac4655 JA |
105 | unsigned long spent; |
106 | unsigned long rate; | |
ebac4655 | 107 | |
780bf1a1 JA |
108 | /* |
109 | * No minimum rate set, always ok | |
110 | */ | |
111 | if (!td->ratemin) | |
112 | return 0; | |
113 | ||
ebac4655 JA |
114 | /* |
115 | * allow a 2 second settle period in the beginning | |
116 | */ | |
117 | if (mtime_since(&td->start, now) < 2000) | |
118 | return 0; | |
119 | ||
0904200b JA |
120 | if (td_read(td)) |
121 | bytes += td->this_io_bytes[DDIR_READ]; | |
122 | if (td_write(td)) | |
123 | bytes += td->this_io_bytes[DDIR_WRITE]; | |
124 | ||
ebac4655 JA |
125 | /* |
126 | * if rate blocks is set, sample is running | |
127 | */ | |
128 | if (td->rate_bytes) { | |
129 | spent = mtime_since(&td->lastrate, now); | |
130 | if (spent < td->ratecycle) | |
131 | return 0; | |
132 | ||
413dd459 JA |
133 | if (bytes < td->rate_bytes) { |
134 | fprintf(f_out, "%s: min rate %u not met\n", td->name, td->ratemin); | |
ebac4655 | 135 | return 1; |
413dd459 JA |
136 | } else { |
137 | rate = (bytes - td->rate_bytes) / spent; | |
138 | if (rate < td->ratemin || bytes < td->rate_bytes) { | |
139 | fprintf(f_out, "%s: min rate %u not met, got %luKiB/sec\n", td->name, td->ratemin, rate); | |
140 | return 1; | |
141 | } | |
ebac4655 JA |
142 | } |
143 | } | |
144 | ||
0904200b | 145 | td->rate_bytes = bytes; |
ebac4655 JA |
146 | memcpy(&td->lastrate, now, sizeof(*now)); |
147 | return 0; | |
148 | } | |
149 | ||
150 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) | |
151 | { | |
152 | if (!td->timeout) | |
153 | return 0; | |
154 | if (mtime_since(&td->epoch, t) >= td->timeout * 1000) | |
155 | return 1; | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
906c8d75 JA |
160 | /* |
161 | * When job exits, we can cancel the in-flight IO if we are using async | |
162 | * io. Attempt to do so. | |
163 | */ | |
ebac4655 JA |
164 | static void cleanup_pending_aio(struct thread_data *td) |
165 | { | |
ebac4655 | 166 | struct list_head *entry, *n; |
ebac4655 JA |
167 | struct io_u *io_u; |
168 | int r; | |
169 | ||
170 | /* | |
171 | * get immediately available events, if any | |
172 | */ | |
d7762cf8 | 173 | r = io_u_queued_complete(td, 0); |
b2fdda43 JA |
174 | if (r < 0) |
175 | return; | |
ebac4655 JA |
176 | |
177 | /* | |
178 | * now cancel remaining active events | |
179 | */ | |
2866c82d | 180 | if (td->io_ops->cancel) { |
ebac4655 JA |
181 | list_for_each_safe(entry, n, &td->io_u_busylist) { |
182 | io_u = list_entry(entry, struct io_u, list); | |
183 | ||
0c6e7517 JA |
184 | /* |
185 | * if the io_u isn't in flight, then that generally | |
186 | * means someone leaked an io_u. complain but fix | |
187 | * it up, so we don't stall here. | |
188 | */ | |
189 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
190 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 191 | put_io_u(td, io_u); |
0c6e7517 JA |
192 | } else { |
193 | r = td->io_ops->cancel(td, io_u); | |
194 | if (!r) | |
195 | put_io_u(td, io_u); | |
196 | } | |
ebac4655 JA |
197 | } |
198 | } | |
199 | ||
97601024 | 200 | if (td->cur_depth) |
d7762cf8 | 201 | r = io_u_queued_complete(td, td->cur_depth); |
ebac4655 JA |
202 | } |
203 | ||
858a3d47 JA |
204 | /* |
205 | * Helper to handle the final sync of a file. Works just like the normal | |
206 | * io path, just does everything sync. | |
207 | */ | |
208 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
209 | { | |
210 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
211 | int ret; |
212 | ||
213 | if (!io_u) | |
214 | return 1; | |
215 | ||
216 | io_u->ddir = DDIR_SYNC; | |
217 | io_u->file = f; | |
218 | ||
219 | if (td_io_prep(td, io_u)) { | |
220 | put_io_u(td, io_u); | |
221 | return 1; | |
222 | } | |
223 | ||
755200a3 | 224 | requeue: |
858a3d47 | 225 | ret = td_io_queue(td, io_u); |
36167d82 | 226 | if (ret < 0) { |
e1161c32 | 227 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 228 | put_io_u(td, io_u); |
858a3d47 | 229 | return 1; |
36167d82 | 230 | } else if (ret == FIO_Q_QUEUED) { |
d7762cf8 | 231 | if (io_u_queued_complete(td, 1) < 0) |
36167d82 | 232 | return 1; |
36167d82 JA |
233 | } else if (ret == FIO_Q_COMPLETED) { |
234 | if (io_u->error) { | |
e1161c32 | 235 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
236 | return 1; |
237 | } | |
858a3d47 | 238 | |
d7762cf8 | 239 | if (io_u_sync_complete(td, io_u) < 0) |
b2fdda43 | 240 | return 1; |
755200a3 JA |
241 | } else if (ret == FIO_Q_BUSY) { |
242 | if (td_io_commit(td)) | |
243 | return 1; | |
244 | goto requeue; | |
858a3d47 JA |
245 | } |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
906c8d75 | 250 | /* |
34403fb1 | 251 | * The main verify engine. Runs over the writes we previously submitted, |
906c8d75 JA |
252 | * reads the blocks back in, and checks the crc/md5 of the data. |
253 | */ | |
1e97cce9 | 254 | static void do_verify(struct thread_data *td) |
ebac4655 | 255 | { |
53cdc686 | 256 | struct fio_file *f; |
36167d82 | 257 | struct io_u *io_u; |
3af6ef39 | 258 | int ret, i, min_events; |
e5b401d4 JA |
259 | |
260 | /* | |
261 | * sync io first and invalidate cache, to make sure we really | |
262 | * read from disk. | |
263 | */ | |
264 | for_each_file(td, f, i) { | |
b2fdda43 JA |
265 | if (fio_io_sync(td, f)) |
266 | break; | |
267 | if (file_invalidate_cache(td, f)) | |
268 | break; | |
e5b401d4 | 269 | } |
ebac4655 | 270 | |
b2fdda43 JA |
271 | if (td->error) |
272 | return; | |
273 | ||
ebac4655 JA |
274 | td_set_runstate(td, TD_VERIFYING); |
275 | ||
36167d82 JA |
276 | io_u = NULL; |
277 | while (!td->terminate) { | |
5451792e JA |
278 | int ret2; |
279 | ||
ebac4655 JA |
280 | io_u = __get_io_u(td); |
281 | if (!io_u) | |
282 | break; | |
283 | ||
069c2918 JA |
284 | if (runtime_exceeded(td, &io_u->start_time)) { |
285 | put_io_u(td, io_u); | |
02bcaa8c | 286 | break; |
069c2918 | 287 | } |
02bcaa8c | 288 | |
069c2918 JA |
289 | if (get_next_verify(td, io_u)) { |
290 | put_io_u(td, io_u); | |
ebac4655 | 291 | break; |
069c2918 | 292 | } |
ebac4655 | 293 | |
069c2918 JA |
294 | if (td_io_prep(td, io_u)) { |
295 | put_io_u(td, io_u); | |
53cdc686 | 296 | break; |
069c2918 | 297 | } |
d7762cf8 JA |
298 | |
299 | io_u->end_io = verify_io_u; | |
53cdc686 | 300 | |
11786802 | 301 | ret = td_io_queue(td, io_u); |
36167d82 JA |
302 | switch (ret) { |
303 | case FIO_Q_COMPLETED: | |
304 | if (io_u->error) | |
22819ec2 | 305 | ret = -io_u->error; |
9e9d164e | 306 | else if (io_u->resid) { |
36167d82 | 307 | int bytes = io_u->xfer_buflen - io_u->resid; |
ebac4655 | 308 | |
9e9d164e JA |
309 | /* |
310 | * zero read, fail | |
311 | */ | |
312 | if (!bytes) { | |
313 | td_verror(td, ENODATA, "full resid"); | |
314 | put_io_u(td, io_u); | |
315 | break; | |
316 | } | |
36167d82 JA |
317 | io_u->xfer_buflen = io_u->resid; |
318 | io_u->xfer_buf += bytes; | |
11786802 JA |
319 | requeue_io_u(td, &io_u); |
320 | } else { | |
321 | ret = io_u_sync_complete(td, io_u); | |
322 | if (ret < 0) | |
323 | break; | |
36167d82 | 324 | } |
36167d82 JA |
325 | continue; |
326 | case FIO_Q_QUEUED: | |
327 | break; | |
755200a3 JA |
328 | case FIO_Q_BUSY: |
329 | requeue_io_u(td, &io_u); | |
5451792e JA |
330 | ret2 = td_io_commit(td); |
331 | if (ret2 < 0) | |
332 | ret = ret2; | |
755200a3 | 333 | break; |
36167d82 JA |
334 | default: |
335 | assert(ret < 0); | |
e1161c32 | 336 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
337 | break; |
338 | } | |
339 | ||
99784632 | 340 | if (ret < 0 || td->error) |
3af6ef39 JA |
341 | break; |
342 | ||
ebac4655 | 343 | /* |
3af6ef39 JA |
344 | * if we can queue more, do so. but check if there are |
345 | * completed io_u's first. | |
ebac4655 | 346 | */ |
97601024 | 347 | min_events = 0; |
e916b390 | 348 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
3af6ef39 | 349 | min_events = 1; |
3af6ef39 | 350 | |
e916b390 JA |
351 | if (td->cur_depth > td->iodepth_low) |
352 | min_events = td->cur_depth - td->iodepth_low; | |
353 | } | |
354 | ||
3af6ef39 JA |
355 | /* |
356 | * Reap required number of io units, if any, and do the | |
357 | * verification on them through the callback handler | |
358 | */ | |
d7762cf8 | 359 | if (io_u_queued_complete(td, min_events) < 0) |
ebac4655 | 360 | break; |
36167d82 | 361 | } |
ebac4655 | 362 | |
c01c0395 JA |
363 | if (!td->error) { |
364 | min_events = td->cur_depth; | |
365 | ||
366 | if (min_events) | |
367 | ret = io_u_queued_complete(td, min_events); | |
368 | } else | |
ebac4655 JA |
369 | cleanup_pending_aio(td); |
370 | ||
371 | td_set_runstate(td, TD_RUNNING); | |
372 | } | |
373 | ||
32cd46a0 | 374 | /* |
906c8d75 | 375 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
376 | * and reaps them, checking for rate and errors along the way. |
377 | */ | |
ebac4655 JA |
378 | static void do_io(struct thread_data *td) |
379 | { | |
02bcaa8c | 380 | struct timeval s; |
ebac4655 | 381 | unsigned long usec; |
84585003 | 382 | int i, ret = 0; |
ebac4655 | 383 | |
5853e5a8 JA |
384 | td_set_runstate(td, TD_RUNNING); |
385 | ||
3951414d | 386 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->io_size) { |
97601024 JA |
387 | struct timeval comp_time; |
388 | long bytes_done = 0; | |
84585003 | 389 | int min_evts = 0; |
ebac4655 | 390 | struct io_u *io_u; |
5451792e | 391 | int ret2; |
ebac4655 JA |
392 | |
393 | if (td->terminate) | |
394 | break; | |
395 | ||
3d7c391d | 396 | io_u = get_io_u(td); |
ebac4655 JA |
397 | if (!io_u) |
398 | break; | |
399 | ||
400 | memcpy(&s, &io_u->start_time, sizeof(s)); | |
97601024 JA |
401 | |
402 | if (runtime_exceeded(td, &s)) { | |
403 | put_io_u(td, io_u); | |
404 | break; | |
405 | } | |
36167d82 | 406 | |
11786802 | 407 | ret = td_io_queue(td, io_u); |
36167d82 JA |
408 | switch (ret) { |
409 | case FIO_Q_COMPLETED: | |
5451792e JA |
410 | if (io_u->error) |
411 | ret = -io_u->error; | |
9e9d164e | 412 | else if (io_u->resid) { |
36167d82 JA |
413 | int bytes = io_u->xfer_buflen - io_u->resid; |
414 | ||
9e9d164e JA |
415 | /* |
416 | * zero read, fail | |
417 | */ | |
418 | if (!bytes) { | |
419 | td_verror(td, ENODATA, "full resid"); | |
420 | put_io_u(td, io_u); | |
421 | break; | |
422 | } | |
423 | ||
cec6b55d | 424 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 425 | io_u->xfer_buf += bytes; |
11786802 JA |
426 | requeue_io_u(td, &io_u); |
427 | } else { | |
428 | fio_gettime(&comp_time, NULL); | |
429 | bytes_done = io_u_sync_complete(td, io_u); | |
430 | if (bytes_done < 0) | |
431 | ret = bytes_done; | |
cec6b55d | 432 | } |
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); | |
5451792e JA |
445 | ret2 = td_io_commit(td); |
446 | if (ret2 < 0) | |
447 | ret = ret2; | |
755200a3 | 448 | break; |
36167d82 JA |
449 | default: |
450 | assert(ret < 0); | |
451 | put_io_u(td, io_u); | |
452 | break; | |
ebac4655 JA |
453 | } |
454 | ||
99784632 | 455 | if (ret < 0 || td->error) |
36167d82 JA |
456 | break; |
457 | ||
97601024 JA |
458 | /* |
459 | * See if we need to complete some commands | |
460 | */ | |
755200a3 | 461 | if (ret == FIO_Q_QUEUED || ret == FIO_Q_BUSY) { |
97601024 | 462 | min_evts = 0; |
e916b390 | 463 | if (queue_full(td) || ret == FIO_Q_BUSY) { |
36167d82 | 464 | min_evts = 1; |
ebac4655 | 465 | |
e916b390 JA |
466 | if (td->cur_depth > td->iodepth_low) |
467 | min_evts = td->cur_depth - td->iodepth_low; | |
468 | } | |
469 | ||
97601024 | 470 | fio_gettime(&comp_time, NULL); |
d7762cf8 | 471 | bytes_done = io_u_queued_complete(td, min_evts); |
97601024 | 472 | if (bytes_done < 0) |
36167d82 | 473 | break; |
ebac4655 JA |
474 | } |
475 | ||
97601024 JA |
476 | if (!bytes_done) |
477 | continue; | |
478 | ||
ebac4655 JA |
479 | /* |
480 | * the rate is batched for now, it should work for batches | |
481 | * of completions except the very first one which may look | |
482 | * a little bursty | |
483 | */ | |
97601024 | 484 | usec = utime_since(&s, &comp_time); |
ebac4655 | 485 | |
413dd459 | 486 | rate_throttle(td, usec, bytes_done); |
ebac4655 | 487 | |
97601024 | 488 | if (check_min_rate(td, &comp_time)) { |
98aa62d8 | 489 | if (exitall_on_terminate) |
390c40e2 | 490 | terminate_threads(td->groupid); |
e1161c32 | 491 | td_verror(td, ENODATA, "check_min_rate"); |
ebac4655 JA |
492 | break; |
493 | } | |
494 | ||
9c1f7434 JA |
495 | if (td->thinktime) { |
496 | unsigned long long b; | |
497 | ||
498 | b = td->io_blocks[0] + td->io_blocks[1]; | |
48097d5c JA |
499 | if (!(b % td->thinktime_blocks)) { |
500 | int left; | |
501 | ||
502 | if (td->thinktime_spin) | |
503 | __usec_sleep(td->thinktime_spin); | |
504 | ||
505 | left = td->thinktime - td->thinktime_spin; | |
506 | if (left) | |
507 | usec_sleep(td, left); | |
508 | } | |
9c1f7434 | 509 | } |
ebac4655 JA |
510 | } |
511 | ||
4d2413c6 | 512 | if (!td->error) { |
3d7c391d JA |
513 | struct fio_file *f; |
514 | ||
c01c0395 JA |
515 | i = td->cur_depth; |
516 | if (i) | |
517 | ret = io_u_queued_complete(td, i); | |
ebac4655 | 518 | |
84585003 JA |
519 | if (should_fsync(td) && td->end_fsync) { |
520 | td_set_runstate(td, TD_FSYNCING); | |
521 | for_each_file(td, f, i) | |
858a3d47 | 522 | fio_io_sync(td, f); |
84585003 | 523 | } |
c01c0395 JA |
524 | } else |
525 | cleanup_pending_aio(td); | |
ebac4655 JA |
526 | } |
527 | ||
ebac4655 JA |
528 | static void cleanup_io_u(struct thread_data *td) |
529 | { | |
530 | struct list_head *entry, *n; | |
531 | struct io_u *io_u; | |
532 | ||
533 | list_for_each_safe(entry, n, &td->io_u_freelist) { | |
534 | io_u = list_entry(entry, struct io_u, list); | |
535 | ||
536 | list_del(&io_u->list); | |
537 | free(io_u); | |
538 | } | |
539 | ||
2f9ade3c | 540 | free_io_mem(td); |
ebac4655 JA |
541 | } |
542 | ||
6b9cea23 JA |
543 | /* |
544 | * "randomly" fill the buffer contents | |
545 | */ | |
66eeb296 | 546 | static void fill_rand_buf(struct io_u *io_u, int max_bs) |
6b9cea23 | 547 | { |
66eeb296 | 548 | int *ptr = io_u->buf; |
6b9cea23 JA |
549 | |
550 | while ((void *) ptr - io_u->buf < max_bs) { | |
551 | *ptr = rand() * 0x9e370001; | |
552 | ptr++; | |
553 | } | |
554 | } | |
555 | ||
ebac4655 JA |
556 | static int init_io_u(struct thread_data *td) |
557 | { | |
558 | struct io_u *io_u; | |
a00735e6 | 559 | unsigned int max_bs; |
ebac4655 JA |
560 | int i, max_units; |
561 | char *p; | |
562 | ||
2866c82d | 563 | if (td->io_ops->flags & FIO_SYNCIO) |
ebac4655 JA |
564 | max_units = 1; |
565 | else | |
566 | max_units = td->iodepth; | |
567 | ||
a00735e6 | 568 | max_bs = max(td->max_bs[DDIR_READ], td->max_bs[DDIR_WRITE]); |
74b025b0 JA |
569 | td->orig_buffer_size = max_bs * max_units; |
570 | ||
d0bdaf49 | 571 | if (td->mem_type == MEM_SHMHUGE || td->mem_type == MEM_MMAPHUGE) |
56bb17f2 | 572 | td->orig_buffer_size = (td->orig_buffer_size + td->hugepage_size - 1) & ~(td->hugepage_size - 1); |
74b025b0 | 573 | else |
29d610e1 | 574 | td->orig_buffer_size += page_mask; |
ebac4655 | 575 | |
2f9ade3c JA |
576 | if (allocate_io_mem(td)) |
577 | return 1; | |
ebac4655 | 578 | |
ebac4655 JA |
579 | p = ALIGN(td->orig_buffer); |
580 | for (i = 0; i < max_units; i++) { | |
581 | io_u = malloc(sizeof(*io_u)); | |
582 | memset(io_u, 0, sizeof(*io_u)); | |
583 | INIT_LIST_HEAD(&io_u->list); | |
584 | ||
a00735e6 | 585 | io_u->buf = p + max_bs * i; |
6b9cea23 | 586 | if (td_write(td) || td_rw(td)) |
a00735e6 | 587 | fill_rand_buf(io_u, max_bs); |
6b9cea23 | 588 | |
b1ff3403 | 589 | io_u->index = i; |
0c6e7517 | 590 | io_u->flags = IO_U_F_FREE; |
ebac4655 JA |
591 | list_add(&io_u->list, &td->io_u_freelist); |
592 | } | |
593 | ||
433afcb4 JA |
594 | io_u_init_timeout(); |
595 | ||
ebac4655 JA |
596 | return 0; |
597 | } | |
598 | ||
da86774e JA |
599 | static int switch_ioscheduler(struct thread_data *td) |
600 | { | |
601 | char tmp[256], tmp2[128]; | |
602 | FILE *f; | |
603 | int ret; | |
604 | ||
ba0fbe10 | 605 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
606 | return 0; |
607 | ||
da86774e JA |
608 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
609 | ||
610 | f = fopen(tmp, "r+"); | |
611 | if (!f) { | |
e1161c32 | 612 | td_verror(td, errno, "fopen"); |
da86774e JA |
613 | return 1; |
614 | } | |
615 | ||
616 | /* | |
617 | * Set io scheduler. | |
618 | */ | |
619 | ret = fwrite(td->ioscheduler, strlen(td->ioscheduler), 1, f); | |
620 | if (ferror(f) || ret != 1) { | |
e1161c32 | 621 | td_verror(td, errno, "fwrite"); |
da86774e JA |
622 | fclose(f); |
623 | return 1; | |
624 | } | |
625 | ||
626 | rewind(f); | |
627 | ||
628 | /* | |
629 | * Read back and check that the selected scheduler is now the default. | |
630 | */ | |
631 | ret = fread(tmp, 1, sizeof(tmp), f); | |
632 | if (ferror(f) || ret < 0) { | |
e1161c32 | 633 | td_verror(td, errno, "fread"); |
da86774e JA |
634 | fclose(f); |
635 | return 1; | |
636 | } | |
637 | ||
638 | sprintf(tmp2, "[%s]", td->ioscheduler); | |
639 | if (!strstr(tmp, tmp2)) { | |
3b70d7e5 | 640 | log_err("fio: io scheduler %s not found\n", td->ioscheduler); |
e1161c32 | 641 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
642 | fclose(f); |
643 | return 1; | |
644 | } | |
645 | ||
646 | fclose(f); | |
647 | return 0; | |
648 | } | |
649 | ||
a978ba68 | 650 | static int clear_io_state(struct thread_data *td) |
ebac4655 | 651 | { |
53cdc686 | 652 | struct fio_file *f; |
a978ba68 | 653 | int i, ret; |
ebac4655 | 654 | |
756867bd | 655 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 656 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 657 | td->zone_bytes = 0; |
d7d3b49b | 658 | td->rate_bytes = 0; |
ebac4655 | 659 | |
c1324df1 JA |
660 | td->last_was_sync = 0; |
661 | ||
a978ba68 JA |
662 | for_each_file(td, f, i) |
663 | td_io_close_file(td, f); | |
53cdc686 | 664 | |
a978ba68 JA |
665 | ret = 0; |
666 | for_each_file(td, f, i) { | |
667 | ret = td_io_open_file(td, f); | |
668 | if (ret) | |
669 | break; | |
53cdc686 | 670 | } |
a978ba68 JA |
671 | |
672 | return ret; | |
ebac4655 JA |
673 | } |
674 | ||
906c8d75 JA |
675 | /* |
676 | * Entry point for the thread based jobs. The process based jobs end up | |
677 | * here as well, after a little setup. | |
678 | */ | |
ebac4655 JA |
679 | static void *thread_main(void *data) |
680 | { | |
69008999 | 681 | unsigned long long runtime[2]; |
ebac4655 | 682 | struct thread_data *td = data; |
a978ba68 | 683 | int clear_state; |
ebac4655 JA |
684 | |
685 | if (!td->use_thread) | |
686 | setsid(); | |
687 | ||
688 | td->pid = getpid(); | |
689 | ||
aea47d44 JA |
690 | INIT_LIST_HEAD(&td->io_u_freelist); |
691 | INIT_LIST_HEAD(&td->io_u_busylist); | |
755200a3 | 692 | INIT_LIST_HEAD(&td->io_u_requeues); |
aea47d44 JA |
693 | INIT_LIST_HEAD(&td->io_hist_list); |
694 | INIT_LIST_HEAD(&td->io_log_list); | |
695 | ||
ebac4655 | 696 | if (init_io_u(td)) |
bda4fd9e | 697 | goto err_sem; |
ebac4655 JA |
698 | |
699 | if (fio_setaffinity(td) == -1) { | |
e1161c32 | 700 | td_verror(td, errno, "cpu_set_affinity"); |
bda4fd9e | 701 | goto err_sem; |
ebac4655 JA |
702 | } |
703 | ||
aea47d44 | 704 | if (init_iolog(td)) |
bda4fd9e | 705 | goto err_sem; |
aea47d44 | 706 | |
ebac4655 JA |
707 | if (td->ioprio) { |
708 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { | |
e1161c32 | 709 | td_verror(td, errno, "ioprio_set"); |
bda4fd9e | 710 | goto err_sem; |
ebac4655 JA |
711 | } |
712 | } | |
713 | ||
1056eaad | 714 | if (nice(td->nice) == -1) { |
e1161c32 | 715 | td_verror(td, errno, "nice"); |
bda4fd9e | 716 | goto err_sem; |
b6f4d880 JA |
717 | } |
718 | ||
75154845 | 719 | if (init_random_state(td)) |
bda4fd9e | 720 | goto err_sem; |
75154845 | 721 | |
56f9498d | 722 | if (td->ioscheduler && switch_ioscheduler(td)) |
bda4fd9e | 723 | goto err_sem; |
da86774e | 724 | |
75154845 | 725 | td_set_runstate(td, TD_INITIALIZED); |
07739b57 JA |
726 | fio_sem_up(startup_sem); |
727 | fio_sem_down(td->mutex); | |
ebac4655 | 728 | |
37f56873 JA |
729 | /* |
730 | * the ->mutex semaphore is now no longer used, close it to avoid | |
731 | * eating a file descriptor | |
732 | */ | |
733 | fio_sem_remove(td->mutex); | |
734 | ||
53cdc686 | 735 | if (!td->create_serialize && setup_files(td)) |
ebac4655 JA |
736 | goto err; |
737 | ||
7d6c5283 JA |
738 | if (td_io_init(td)) |
739 | goto err; | |
740 | ||
b5af8293 JA |
741 | if (open_files(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)); |
756867bd | 751 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
752 | |
753 | runtime[0] = runtime[1] = 0; | |
a978ba68 | 754 | clear_state = 0; |
ebac4655 | 755 | while (td->loops--) { |
02bcaa8c | 756 | fio_gettime(&td->start, NULL); |
756867bd | 757 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
ebac4655 JA |
758 | |
759 | if (td->ratemin) | |
756867bd | 760 | memcpy(&td->lastrate, &td->ts.stat_sample_time, sizeof(td->lastrate)); |
ebac4655 | 761 | |
a978ba68 JA |
762 | if (clear_state && clear_io_state(td)) |
763 | break; | |
764 | ||
ebac4655 JA |
765 | prune_io_piece_log(td); |
766 | ||
ba0fbe10 | 767 | do_io(td); |
ebac4655 | 768 | |
a978ba68 JA |
769 | clear_state = 1; |
770 | ||
413dd459 JA |
771 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
772 | runtime[DDIR_READ] += utime_since_now(&td->start); | |
773 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
774 | runtime[DDIR_WRITE] += utime_since_now(&td->start); | |
775 | ||
ebac4655 JA |
776 | if (td->error || td->terminate) |
777 | break; | |
778 | ||
779 | if (td->verify == VERIFY_NONE) | |
780 | continue; | |
781 | ||
a978ba68 JA |
782 | if (clear_io_state(td)) |
783 | break; | |
784 | ||
02bcaa8c | 785 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
786 | |
787 | do_verify(td); | |
788 | ||
69008999 | 789 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
790 | |
791 | if (td->error || td->terminate) | |
792 | break; | |
793 | } | |
794 | ||
36dff966 | 795 | update_rusage_stat(td); |
756867bd JA |
796 | td->ts.runtime[0] = runtime[0] / 1000; |
797 | td->ts.runtime[1] = runtime[1] / 1000; | |
798 | td->ts.total_run_time = mtime_since_now(&td->epoch); | |
799 | td->ts.io_bytes[0] = td->io_bytes[0]; | |
800 | td->ts.io_bytes[1] = td->io_bytes[1]; | |
801 | ||
802 | if (td->ts.bw_log) | |
803 | finish_log(td, td->ts.bw_log, "bw"); | |
804 | if (td->ts.slat_log) | |
805 | finish_log(td, td->ts.slat_log, "slat"); | |
806 | if (td->ts.clat_log) | |
807 | finish_log(td, td->ts.clat_log, "clat"); | |
076efc7c | 808 | if (td->write_iolog_file) |
843a7413 | 809 | write_iolog_close(td); |
69cfd7e0 JA |
810 | if (td->exec_postrun) { |
811 | if (system(td->exec_postrun) < 0) | |
812 | log_err("fio: postrun %s failed\n", td->exec_postrun); | |
813 | } | |
ebac4655 JA |
814 | |
815 | if (exitall_on_terminate) | |
390c40e2 | 816 | terminate_threads(td->groupid); |
ebac4655 JA |
817 | |
818 | err: | |
5bf13a5a JA |
819 | if (td->error) |
820 | printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
53cdc686 | 821 | close_files(td); |
2866c82d | 822 | close_ioengine(td); |
ebac4655 | 823 | cleanup_io_u(td); |
ebac4655 | 824 | td_set_runstate(td, TD_EXITED); |
43d76807 | 825 | return (void *) (unsigned long) td->error; |
bda4fd9e JA |
826 | err_sem: |
827 | fio_sem_up(startup_sem); | |
828 | goto err; | |
ebac4655 JA |
829 | } |
830 | ||
906c8d75 JA |
831 | /* |
832 | * We cannot pass the td data into a forked process, so attach the td and | |
833 | * pass it to the thread worker. | |
834 | */ | |
a6418147 | 835 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
836 | { |
837 | struct thread_data *td; | |
a6418147 | 838 | void *data, *ret; |
ebac4655 JA |
839 | |
840 | data = shmat(shmid, NULL, 0); | |
841 | if (data == (void *) -1) { | |
a6418147 JA |
842 | int __err = errno; |
843 | ||
ebac4655 | 844 | perror("shmat"); |
a6418147 | 845 | return __err; |
ebac4655 JA |
846 | } |
847 | ||
848 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 849 | ret = thread_main(td); |
ebac4655 | 850 | shmdt(data); |
43d76807 | 851 | return (int) (unsigned long) ret; |
ebac4655 JA |
852 | } |
853 | ||
906c8d75 JA |
854 | /* |
855 | * Run over the job map and reap the threads that have exited, if any. | |
856 | */ | |
ebac4655 JA |
857 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
858 | { | |
34572e28 | 859 | struct thread_data *td; |
fab6aa71 | 860 | int i, cputhreads, pending, status, ret; |
ebac4655 JA |
861 | |
862 | /* | |
863 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
864 | */ | |
4d2413c6 | 865 | pending = cputhreads = 0; |
34572e28 | 866 | for_each_td(td, i) { |
3707f45b | 867 | int flags = 0; |
a2f77c9f | 868 | |
84585003 JA |
869 | /* |
870 | * ->io_ops is NULL for a thread that has closed its | |
871 | * io engine | |
872 | */ | |
ba0fbe10 | 873 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 JA |
874 | cputhreads++; |
875 | ||
a2f77c9f JA |
876 | if (!td->pid || td->runstate == TD_REAPED) |
877 | continue; | |
3707f45b JA |
878 | if (td->use_thread) { |
879 | if (td->runstate == TD_EXITED) { | |
880 | td_set_runstate(td, TD_REAPED); | |
881 | goto reaped; | |
882 | } | |
883 | continue; | |
884 | } | |
a2f77c9f JA |
885 | |
886 | flags = WNOHANG; | |
887 | if (td->runstate == TD_EXITED) | |
888 | flags = 0; | |
889 | ||
890 | /* | |
891 | * check if someone quit or got killed in an unusual way | |
892 | */ | |
893 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 894 | if (ret < 0) { |
a2f77c9f JA |
895 | if (errno == ECHILD) { |
896 | log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate); | |
897 | td_set_runstate(td, TD_REAPED); | |
898 | goto reaped; | |
899 | } | |
900 | perror("waitpid"); | |
901 | } else if (ret == td->pid) { | |
902 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
903 | int sig = WTERMSIG(status); |
904 | ||
d9244941 JA |
905 | if (sig != SIGQUIT) |
906 | log_err("fio: pid=%d, got signal=%d\n", td->pid, sig); | |
fab6aa71 JA |
907 | td_set_runstate(td, TD_REAPED); |
908 | goto reaped; | |
909 | } | |
a2f77c9f JA |
910 | if (WIFEXITED(status)) { |
911 | if (WEXITSTATUS(status) && !td->error) | |
912 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 913 | |
a2f77c9f JA |
914 | td_set_runstate(td, TD_REAPED); |
915 | goto reaped; | |
a6418147 JA |
916 | } |
917 | } | |
ebac4655 | 918 | |
a2f77c9f JA |
919 | /* |
920 | * thread is not dead, continue | |
921 | */ | |
922 | continue; | |
fab6aa71 | 923 | reaped: |
3707f45b JA |
924 | if (td->use_thread) { |
925 | long ret; | |
926 | ||
927 | if (pthread_join(td->thread, (void *) &ret)) | |
928 | perror("pthread_join"); | |
929 | } | |
930 | ||
ebac4655 JA |
931 | (*nr_running)--; |
932 | (*m_rate) -= td->ratemin; | |
933 | (*t_rate) -= td->rate; | |
a2f77c9f JA |
934 | |
935 | if (td->error) | |
936 | exit_value++; | |
ebac4655 | 937 | } |
b990b5c0 | 938 | |
4d2413c6 | 939 | if (*nr_running == cputhreads && !pending) |
390c40e2 | 940 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
941 | } |
942 | ||
906c8d75 JA |
943 | /* |
944 | * Main function for kicking off and reaping jobs, as needed. | |
945 | */ | |
ebac4655 JA |
946 | static void run_threads(void) |
947 | { | |
ebac4655 JA |
948 | struct thread_data *td; |
949 | unsigned long spent; | |
950 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 951 | |
2f9ade3c JA |
952 | if (fio_pin_memory()) |
953 | return; | |
ebac4655 | 954 | |
c6ae0a5b | 955 | if (!terse_output) { |
9cedf167 JA |
956 | printf("Starting "); |
957 | if (nr_thread) | |
958 | printf("%d thread%s", nr_thread, nr_thread > 1 ? "s" : ""); | |
959 | if (nr_process) { | |
960 | if (nr_thread) | |
961 | printf(" and "); | |
962 | printf("%d process%s", nr_process, nr_process > 1 ? "es" : ""); | |
963 | } | |
964 | printf("\n"); | |
c6ae0a5b JA |
965 | fflush(stdout); |
966 | } | |
c04f7ec3 | 967 | |
4efa970e JA |
968 | signal(SIGINT, sig_handler); |
969 | signal(SIGALRM, sig_handler); | |
970 | ||
ebac4655 JA |
971 | todo = thread_number; |
972 | nr_running = 0; | |
973 | nr_started = 0; | |
974 | m_rate = t_rate = 0; | |
975 | ||
34572e28 | 976 | for_each_td(td, i) { |
263e529f | 977 | print_status_init(td->thread_number - 1); |
ebac4655 | 978 | |
380cf265 JA |
979 | if (!td->create_serialize) { |
980 | init_disk_util(td); | |
ebac4655 | 981 | continue; |
380cf265 | 982 | } |
ebac4655 JA |
983 | |
984 | /* | |
985 | * do file setup here so it happens sequentially, | |
986 | * we don't want X number of threads getting their | |
987 | * client data interspersed on disk | |
988 | */ | |
53cdc686 | 989 | if (setup_files(td)) { |
5bf13a5a JA |
990 | exit_value++; |
991 | if (td->error) | |
992 | log_err("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror); | |
ebac4655 JA |
993 | td_set_runstate(td, TD_REAPED); |
994 | todo--; | |
995 | } | |
380cf265 JA |
996 | |
997 | init_disk_util(td); | |
ebac4655 JA |
998 | } |
999 | ||
a2f77c9f JA |
1000 | set_genesis_time(); |
1001 | ||
ebac4655 | 1002 | while (todo) { |
75154845 JA |
1003 | struct thread_data *map[MAX_JOBS]; |
1004 | struct timeval this_start; | |
1005 | int this_jobs = 0, left; | |
1006 | ||
ebac4655 JA |
1007 | /* |
1008 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1009 | */ | |
34572e28 | 1010 | for_each_td(td, i) { |
ebac4655 JA |
1011 | if (td->runstate != TD_NOT_CREATED) |
1012 | continue; | |
1013 | ||
1014 | /* | |
1015 | * never got a chance to start, killed by other | |
1016 | * thread for some reason | |
1017 | */ | |
1018 | if (td->terminate) { | |
1019 | todo--; | |
1020 | continue; | |
1021 | } | |
1022 | ||
1023 | if (td->start_delay) { | |
263e529f | 1024 | spent = mtime_since_genesis(); |
ebac4655 JA |
1025 | |
1026 | if (td->start_delay * 1000 > spent) | |
1027 | continue; | |
1028 | } | |
1029 | ||
1030 | if (td->stonewall && (nr_started || nr_running)) | |
1031 | break; | |
1032 | ||
75154845 JA |
1033 | /* |
1034 | * Set state to created. Thread will transition | |
1035 | * to TD_INITIALIZED when it's done setting up. | |
1036 | */ | |
ebac4655 | 1037 | td_set_runstate(td, TD_CREATED); |
75154845 | 1038 | map[this_jobs++] = td; |
ebac4655 JA |
1039 | nr_started++; |
1040 | ||
1041 | if (td->use_thread) { | |
1042 | if (pthread_create(&td->thread, NULL, thread_main, td)) { | |
1043 | perror("thread_create"); | |
1044 | nr_started--; | |
c8bb6faf | 1045 | break; |
ebac4655 JA |
1046 | } |
1047 | } else { | |
07739b57 | 1048 | if (!fork()) { |
a6418147 JA |
1049 | int ret = fork_main(shm_id, i); |
1050 | ||
1051 | exit(ret); | |
ebac4655 JA |
1052 | } |
1053 | } | |
07739b57 | 1054 | fio_sem_down(startup_sem); |
ebac4655 JA |
1055 | } |
1056 | ||
1057 | /* | |
75154845 JA |
1058 | * Wait for the started threads to transition to |
1059 | * TD_INITIALIZED. | |
ebac4655 | 1060 | */ |
02bcaa8c | 1061 | fio_gettime(&this_start, NULL); |
75154845 | 1062 | left = this_jobs; |
6ce15a32 | 1063 | while (left && !fio_abort) { |
75154845 JA |
1064 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1065 | break; | |
1066 | ||
1067 | usleep(100000); | |
1068 | ||
1069 | for (i = 0; i < this_jobs; i++) { | |
1070 | td = map[i]; | |
1071 | if (!td) | |
1072 | continue; | |
b6f4d880 | 1073 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1074 | map[i] = NULL; |
1075 | left--; | |
b6f4d880 JA |
1076 | } else if (td->runstate >= TD_EXITED) { |
1077 | map[i] = NULL; | |
1078 | left--; | |
1079 | todo--; | |
1080 | nr_running++; /* work-around... */ | |
75154845 JA |
1081 | } |
1082 | } | |
1083 | } | |
1084 | ||
1085 | if (left) { | |
3b70d7e5 | 1086 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1087 | for (i = 0; i < this_jobs; i++) { |
1088 | td = map[i]; | |
1089 | if (!td) | |
1090 | continue; | |
1091 | kill(td->pid, SIGTERM); | |
1092 | } | |
1093 | break; | |
1094 | } | |
1095 | ||
1096 | /* | |
b6f4d880 | 1097 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1098 | */ |
34572e28 | 1099 | for_each_td(td, i) { |
75154845 | 1100 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1101 | continue; |
1102 | ||
1103 | td_set_runstate(td, TD_RUNNING); | |
1104 | nr_running++; | |
1105 | nr_started--; | |
1106 | m_rate += td->ratemin; | |
1107 | t_rate += td->rate; | |
75154845 | 1108 | todo--; |
07739b57 | 1109 | fio_sem_up(td->mutex); |
ebac4655 JA |
1110 | } |
1111 | ||
1112 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1113 | ||
1114 | if (todo) | |
1115 | usleep(100000); | |
1116 | } | |
1117 | ||
1118 | while (nr_running) { | |
1119 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1120 | usleep(10000); | |
1121 | } | |
1122 | ||
1123 | update_io_ticks(); | |
2f9ade3c | 1124 | fio_unpin_memory(); |
ebac4655 JA |
1125 | } |
1126 | ||
ebac4655 JA |
1127 | int main(int argc, char *argv[]) |
1128 | { | |
29d610e1 JA |
1129 | long ps; |
1130 | ||
dbe1125e JA |
1131 | /* |
1132 | * We need locale for number printing, if it isn't set then just | |
1133 | * go with the US format. | |
1134 | */ | |
1135 | if (!getenv("LC_NUMERIC")) | |
1136 | setlocale(LC_NUMERIC, "en_US"); | |
1137 | ||
ebac4655 JA |
1138 | if (parse_options(argc, argv)) |
1139 | return 1; | |
1140 | ||
1141 | if (!thread_number) { | |
3b70d7e5 | 1142 | log_err("Nothing to do\n"); |
ebac4655 JA |
1143 | return 1; |
1144 | } | |
1145 | ||
29d610e1 JA |
1146 | ps = sysconf(_SC_PAGESIZE); |
1147 | if (ps < 0) { | |
1148 | log_err("Failed to get page size\n"); | |
1149 | return 1; | |
1150 | } | |
1151 | ||
1152 | page_mask = ps - 1; | |
1153 | ||
bb3884d8 JA |
1154 | if (write_bw_log) { |
1155 | setup_log(&agg_io_log[DDIR_READ]); | |
1156 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1157 | } | |
1158 | ||
07739b57 JA |
1159 | startup_sem = fio_sem_init(0); |
1160 | ||
a2f77c9f JA |
1161 | set_genesis_time(); |
1162 | ||
ebac4655 JA |
1163 | disk_util_timer_arm(); |
1164 | ||
1165 | run_threads(); | |
6ce15a32 | 1166 | |
bb3884d8 | 1167 | if (!fio_abort) { |
6ce15a32 | 1168 | show_run_stats(); |
bb3884d8 JA |
1169 | if (write_bw_log) { |
1170 | __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log"); | |
1171 | __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log"); | |
1172 | } | |
1173 | } | |
ebac4655 | 1174 | |
07739b57 | 1175 | fio_sem_remove(startup_sem); |
437c9b71 | 1176 | return exit_value; |
ebac4655 | 1177 | } |