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" | |
210f43b3 | 38 | #include "hash.h" |
2e5cdb11 | 39 | #include "smalloc.h" |
4f5af7b2 | 40 | #include "verify.h" |
7c9b1bce | 41 | #include "diskutil.h" |
ebac4655 | 42 | |
cfc99db7 JA |
43 | unsigned long page_mask; |
44 | unsigned long page_size; | |
29d610e1 JA |
45 | #define ALIGN(buf) \ |
46 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) | |
ebac4655 JA |
47 | |
48 | int groupid = 0; | |
49 | int thread_number = 0; | |
9cedf167 JA |
50 | int nr_process = 0; |
51 | int nr_thread = 0; | |
ebac4655 | 52 | int shm_id = 0; |
53cdc686 | 53 | int temp_stall_ts; |
d3eeeabc | 54 | unsigned long done_secs = 0; |
ebac4655 | 55 | |
cdd18ad8 | 56 | static struct fio_mutex *startup_mutex; |
d2bbb8d9 | 57 | static struct fio_mutex *writeout_mutex; |
6ce15a32 | 58 | static volatile int fio_abort; |
437c9b71 | 59 | static int exit_value; |
ccb0fa24 | 60 | static struct itimerval itimer; |
be4ecfdf | 61 | static pthread_t gtod_thread; |
ebac4655 | 62 | |
bb3884d8 JA |
63 | struct io_log *agg_io_log[2]; |
64 | ||
ebac4655 | 65 | #define TERMINATE_ALL (-1) |
75154845 | 66 | #define JOB_START_TIMEOUT (5 * 1000) |
ebac4655 | 67 | |
b29ee5b3 | 68 | void td_set_runstate(struct thread_data *td, int runstate) |
6ce15a32 | 69 | { |
d8fab1b6 JA |
70 | if (td->runstate == runstate) |
71 | return; | |
72 | ||
5921e80c JA |
73 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
74 | td->runstate, runstate); | |
6ce15a32 JA |
75 | td->runstate = runstate; |
76 | } | |
77 | ||
390c40e2 | 78 | static void terminate_threads(int group_id) |
ebac4655 | 79 | { |
34572e28 | 80 | struct thread_data *td; |
ebac4655 JA |
81 | int i; |
82 | ||
6f88bcb0 JA |
83 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
84 | ||
34572e28 | 85 | for_each_td(td, i) { |
ebac4655 | 86 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
6f88bcb0 | 87 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
5921e80c | 88 | td->o.name, (int) td->pid); |
ad830ed7 JA |
89 | td->terminate = 1; |
90 | td->o.start_delay = 0; | |
91 | ||
7a93ab19 JA |
92 | /* |
93 | * if the thread is running, just let it exit | |
94 | */ | |
95 | if (td->runstate < TD_RUNNING) | |
c1302d44 | 96 | kill(td->pid, SIGQUIT); |
f63f7f3b JA |
97 | else { |
98 | struct ioengine_ops *ops = td->io_ops; | |
99 | ||
100 | if (ops && (ops->flags & FIO_SIGQUIT)) | |
101 | kill(td->pid, SIGQUIT); | |
102 | } | |
ebac4655 JA |
103 | } |
104 | } | |
105 | } | |
106 | ||
ccb0fa24 JA |
107 | static void status_timer_arm(void) |
108 | { | |
109 | itimer.it_value.tv_sec = 0; | |
110 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
111 | setitimer(ITIMER_REAL, &itimer, NULL); | |
112 | } | |
113 | ||
02444ad1 | 114 | static void sig_alrm(int fio_unused sig) |
ebac4655 | 115 | { |
697a606c | 116 | if (threads) { |
5ec10eaa | 117 | update_io_ticks(); |
5ec10eaa | 118 | print_thread_status(); |
ccb0fa24 | 119 | status_timer_arm(); |
697a606c JA |
120 | } |
121 | } | |
122 | ||
5f8f9726 JA |
123 | /* |
124 | * Happens on thread runs with ctrl-c, ignore our own SIGQUIT | |
125 | */ | |
126 | static void sig_quit(int sig) | |
127 | { | |
128 | } | |
129 | ||
697a606c JA |
130 | static void sig_int(int sig) |
131 | { | |
132 | if (threads) { | |
5ec10eaa JA |
133 | printf("\nfio: terminating on signal %d\n", sig); |
134 | fflush(stdout); | |
135 | terminate_threads(TERMINATE_ALL); | |
ebac4655 JA |
136 | } |
137 | } | |
138 | ||
02444ad1 | 139 | static void sig_ill(int fio_unused sig) |
de79c915 JA |
140 | { |
141 | if (!threads) | |
142 | return; | |
143 | ||
144 | log_err("fio: illegal instruction. your cpu does not support " | |
145 | "the sse4.2 instruction for crc32c\n"); | |
146 | terminate_threads(TERMINATE_ALL); | |
147 | exit(4); | |
148 | } | |
149 | ||
697a606c JA |
150 | static void set_sig_handlers(void) |
151 | { | |
152 | struct sigaction act; | |
153 | ||
154 | memset(&act, 0, sizeof(act)); | |
155 | act.sa_handler = sig_alrm; | |
156 | act.sa_flags = SA_RESTART; | |
157 | sigaction(SIGALRM, &act, NULL); | |
158 | ||
159 | memset(&act, 0, sizeof(act)); | |
160 | act.sa_handler = sig_int; | |
161 | act.sa_flags = SA_RESTART; | |
162 | sigaction(SIGINT, &act, NULL); | |
de79c915 JA |
163 | |
164 | memset(&act, 0, sizeof(act)); | |
165 | act.sa_handler = sig_ill; | |
166 | act.sa_flags = SA_RESTART; | |
167 | sigaction(SIGILL, &act, NULL); | |
5f8f9726 JA |
168 | |
169 | memset(&act, 0, sizeof(act)); | |
170 | act.sa_handler = sig_quit; | |
171 | act.sa_flags = SA_RESTART; | |
172 | sigaction(SIGQUIT, &act, NULL); | |
697a606c JA |
173 | } |
174 | ||
906c8d75 JA |
175 | /* |
176 | * Check if we are above the minimum rate given. | |
177 | */ | |
581e7141 JA |
178 | static int __check_min_rate(struct thread_data *td, struct timeval *now, |
179 | enum td_ddir ddir) | |
ebac4655 | 180 | { |
0904200b | 181 | unsigned long long bytes = 0; |
4e991c23 | 182 | unsigned long iops = 0; |
ebac4655 JA |
183 | unsigned long spent; |
184 | unsigned long rate; | |
581e7141 JA |
185 | unsigned int ratemin = 0; |
186 | unsigned int rate_iops = 0; | |
187 | unsigned int rate_iops_min = 0; | |
ebac4655 | 188 | |
d982d873 JA |
189 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) |
190 | return 0; | |
191 | ||
ebac4655 JA |
192 | /* |
193 | * allow a 2 second settle period in the beginning | |
194 | */ | |
195 | if (mtime_since(&td->start, now) < 2000) | |
196 | return 0; | |
197 | ||
581e7141 JA |
198 | iops += td->io_blocks[ddir]; |
199 | bytes += td->this_io_bytes[ddir]; | |
200 | ratemin += td->o.ratemin[ddir]; | |
201 | rate_iops += td->o.rate_iops[ddir]; | |
202 | rate_iops_min += td->o.rate_iops_min[ddir]; | |
0904200b | 203 | |
ebac4655 JA |
204 | /* |
205 | * if rate blocks is set, sample is running | |
206 | */ | |
581e7141 JA |
207 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
208 | spent = mtime_since(&td->lastrate[ddir], now); | |
2dc1bbeb | 209 | if (spent < td->o.ratecycle) |
ebac4655 JA |
210 | return 0; |
211 | ||
581e7141 | 212 | if (td->o.rate[ddir]) { |
4e991c23 JA |
213 | /* |
214 | * check bandwidth specified rate | |
215 | */ | |
581e7141 | 216 | if (bytes < td->rate_bytes[ddir]) { |
5ec10eaa | 217 | log_err("%s: min rate %u not met\n", td->o.name, |
581e7141 | 218 | ratemin); |
4e991c23 JA |
219 | return 1; |
220 | } else { | |
581e7141 JA |
221 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
222 | if (rate < ratemin || | |
223 | bytes < td->rate_bytes[ddir]) { | |
5ec10eaa JA |
224 | log_err("%s: min rate %u not met, got" |
225 | " %luKiB/sec\n", td->o.name, | |
581e7141 | 226 | ratemin, rate); |
4e991c23 JA |
227 | return 1; |
228 | } | |
229 | } | |
413dd459 | 230 | } else { |
4e991c23 JA |
231 | /* |
232 | * checks iops specified rate | |
233 | */ | |
581e7141 | 234 | if (iops < rate_iops) { |
5ec10eaa | 235 | log_err("%s: min iops rate %u not met\n", |
581e7141 | 236 | td->o.name, rate_iops); |
413dd459 | 237 | return 1; |
4e991c23 | 238 | } else { |
581e7141 JA |
239 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
240 | if (rate < rate_iops_min || | |
241 | iops < td->rate_blocks[ddir]) { | |
5ec10eaa JA |
242 | log_err("%s: min iops rate %u not met," |
243 | " got %lu\n", td->o.name, | |
581e7141 | 244 | rate_iops_min, rate); |
4e991c23 | 245 | } |
413dd459 | 246 | } |
ebac4655 JA |
247 | } |
248 | } | |
249 | ||
581e7141 JA |
250 | td->rate_bytes[ddir] = bytes; |
251 | td->rate_blocks[ddir] = iops; | |
252 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); | |
ebac4655 JA |
253 | return 0; |
254 | } | |
255 | ||
581e7141 JA |
256 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
257 | unsigned long *bytes_done) | |
258 | { | |
259 | int ret = 0; | |
260 | ||
261 | if (bytes_done[0]) | |
262 | ret |= __check_min_rate(td, now, 0); | |
263 | if (bytes_done[1]) | |
264 | ret |= __check_min_rate(td, now, 1); | |
265 | ||
266 | return ret; | |
267 | } | |
268 | ||
ebac4655 JA |
269 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
270 | { | |
2dc1bbeb | 271 | if (!td->o.timeout) |
ebac4655 | 272 | return 0; |
2dc1bbeb | 273 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
ebac4655 JA |
274 | return 1; |
275 | ||
276 | return 0; | |
277 | } | |
278 | ||
906c8d75 JA |
279 | /* |
280 | * When job exits, we can cancel the in-flight IO if we are using async | |
281 | * io. Attempt to do so. | |
282 | */ | |
ebac4655 JA |
283 | static void cleanup_pending_aio(struct thread_data *td) |
284 | { | |
01743ee1 | 285 | struct flist_head *entry, *n; |
ebac4655 JA |
286 | struct io_u *io_u; |
287 | int r; | |
288 | ||
289 | /* | |
290 | * get immediately available events, if any | |
291 | */ | |
581e7141 | 292 | r = io_u_queued_complete(td, 0, NULL); |
b2fdda43 JA |
293 | if (r < 0) |
294 | return; | |
ebac4655 JA |
295 | |
296 | /* | |
297 | * now cancel remaining active events | |
298 | */ | |
2866c82d | 299 | if (td->io_ops->cancel) { |
01743ee1 JA |
300 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
301 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 302 | |
0c6e7517 JA |
303 | /* |
304 | * if the io_u isn't in flight, then that generally | |
305 | * means someone leaked an io_u. complain but fix | |
306 | * it up, so we don't stall here. | |
307 | */ | |
308 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
309 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 310 | put_io_u(td, io_u); |
0c6e7517 JA |
311 | } else { |
312 | r = td->io_ops->cancel(td, io_u); | |
313 | if (!r) | |
314 | put_io_u(td, io_u); | |
315 | } | |
ebac4655 JA |
316 | } |
317 | } | |
318 | ||
97601024 | 319 | if (td->cur_depth) |
581e7141 | 320 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
ebac4655 JA |
321 | } |
322 | ||
858a3d47 JA |
323 | /* |
324 | * Helper to handle the final sync of a file. Works just like the normal | |
325 | * io path, just does everything sync. | |
326 | */ | |
327 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
328 | { | |
329 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
330 | int ret; |
331 | ||
332 | if (!io_u) | |
333 | return 1; | |
334 | ||
335 | io_u->ddir = DDIR_SYNC; | |
336 | io_u->file = f; | |
337 | ||
338 | if (td_io_prep(td, io_u)) { | |
339 | put_io_u(td, io_u); | |
340 | return 1; | |
341 | } | |
342 | ||
755200a3 | 343 | requeue: |
858a3d47 | 344 | ret = td_io_queue(td, io_u); |
36167d82 | 345 | if (ret < 0) { |
e1161c32 | 346 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 347 | put_io_u(td, io_u); |
858a3d47 | 348 | return 1; |
36167d82 | 349 | } else if (ret == FIO_Q_QUEUED) { |
581e7141 | 350 | if (io_u_queued_complete(td, 1, NULL) < 0) |
36167d82 | 351 | return 1; |
36167d82 JA |
352 | } else if (ret == FIO_Q_COMPLETED) { |
353 | if (io_u->error) { | |
e1161c32 | 354 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
355 | return 1; |
356 | } | |
858a3d47 | 357 | |
581e7141 | 358 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
b2fdda43 | 359 | return 1; |
755200a3 JA |
360 | } else if (ret == FIO_Q_BUSY) { |
361 | if (td_io_commit(td)) | |
362 | return 1; | |
363 | goto requeue; | |
858a3d47 JA |
364 | } |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
993bf48b JA |
369 | static inline void update_tv_cache(struct thread_data *td) |
370 | { | |
371 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) | |
372 | fio_gettime(&td->tv_cache, NULL); | |
373 | } | |
374 | ||
f2bba182 RR |
375 | static int break_on_this_error(struct thread_data *td, int *retptr) |
376 | { | |
377 | int ret = *retptr; | |
378 | ||
379 | if (ret < 0 || td->error) { | |
380 | int err; | |
381 | ||
1ec99eea JA |
382 | if (!td->o.continue_on_error) |
383 | return 1; | |
f2bba182 RR |
384 | |
385 | if (ret < 0) | |
386 | err = -ret; | |
387 | else | |
388 | err = td->error; | |
389 | ||
390 | update_error_count(td, err); | |
391 | ||
392 | if (td_non_fatal_error(err)) { | |
393 | /* | |
394 | * Continue with the I/Os in case of | |
395 | * a non fatal error. | |
396 | */ | |
397 | td_clear_error(td); | |
398 | *retptr = 0; | |
399 | return 0; | |
400 | } else { | |
401 | /* | |
402 | * Stop the I/O in case of a fatal | |
403 | * error. | |
404 | */ | |
405 | return 1; | |
406 | } | |
407 | } | |
408 | ||
409 | return 0; | |
410 | } | |
411 | ||
906c8d75 | 412 | /* |
34403fb1 | 413 | * The main verify engine. Runs over the writes we previously submitted, |
906c8d75 JA |
414 | * reads the blocks back in, and checks the crc/md5 of the data. |
415 | */ | |
1e97cce9 | 416 | static void do_verify(struct thread_data *td) |
ebac4655 | 417 | { |
53cdc686 | 418 | struct fio_file *f; |
36167d82 | 419 | struct io_u *io_u; |
af52b345 JA |
420 | int ret, min_events; |
421 | unsigned int i; | |
e5b401d4 JA |
422 | |
423 | /* | |
424 | * sync io first and invalidate cache, to make sure we really | |
425 | * read from disk. | |
426 | */ | |
427 | for_each_file(td, f, i) { | |
d6aed795 | 428 | if (!fio_file_open(f)) |
3d7b485f | 429 | continue; |
b2fdda43 JA |
430 | if (fio_io_sync(td, f)) |
431 | break; | |
432 | if (file_invalidate_cache(td, f)) | |
433 | break; | |
e5b401d4 | 434 | } |
ebac4655 | 435 | |
b2fdda43 JA |
436 | if (td->error) |
437 | return; | |
438 | ||
ebac4655 JA |
439 | td_set_runstate(td, TD_VERIFYING); |
440 | ||
36167d82 JA |
441 | io_u = NULL; |
442 | while (!td->terminate) { | |
4950421a | 443 | int ret2, full; |
5451792e | 444 | |
ebac4655 JA |
445 | io_u = __get_io_u(td); |
446 | if (!io_u) | |
447 | break; | |
448 | ||
993bf48b JA |
449 | update_tv_cache(td); |
450 | ||
451 | if (runtime_exceeded(td, &td->tv_cache)) { | |
069c2918 | 452 | put_io_u(td, io_u); |
90a87d4b | 453 | td->terminate = 1; |
02bcaa8c | 454 | break; |
069c2918 | 455 | } |
02bcaa8c | 456 | |
069c2918 JA |
457 | if (get_next_verify(td, io_u)) { |
458 | put_io_u(td, io_u); | |
ebac4655 | 459 | break; |
069c2918 | 460 | } |
ebac4655 | 461 | |
069c2918 JA |
462 | if (td_io_prep(td, io_u)) { |
463 | put_io_u(td, io_u); | |
53cdc686 | 464 | break; |
069c2918 | 465 | } |
d7762cf8 JA |
466 | |
467 | io_u->end_io = verify_io_u; | |
53cdc686 | 468 | |
11786802 | 469 | ret = td_io_queue(td, io_u); |
36167d82 JA |
470 | switch (ret) { |
471 | case FIO_Q_COMPLETED: | |
f2bba182 | 472 | if (io_u->error) { |
22819ec2 | 473 | ret = -io_u->error; |
f2bba182 RR |
474 | clear_io_u(td, io_u); |
475 | } else if (io_u->resid) { | |
36167d82 | 476 | int bytes = io_u->xfer_buflen - io_u->resid; |
d460eb31 | 477 | struct fio_file *f = io_u->file; |
ebac4655 | 478 | |
9e9d164e JA |
479 | /* |
480 | * zero read, fail | |
481 | */ | |
482 | if (!bytes) { | |
41d9f0fd | 483 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
484 | put_io_u(td, io_u); |
485 | break; | |
486 | } | |
8400d9b2 | 487 | |
36167d82 JA |
488 | io_u->xfer_buflen = io_u->resid; |
489 | io_u->xfer_buf += bytes; | |
8400d9b2 JA |
490 | io_u->offset += bytes; |
491 | ||
30061b97 JA |
492 | td->ts.short_io_u[io_u->ddir]++; |
493 | ||
d460eb31 | 494 | if (io_u->offset == f->real_file_size) |
8400d9b2 JA |
495 | goto sync_done; |
496 | ||
11786802 JA |
497 | requeue_io_u(td, &io_u); |
498 | } else { | |
8400d9b2 | 499 | sync_done: |
581e7141 | 500 | ret = io_u_sync_complete(td, io_u, NULL); |
11786802 JA |
501 | if (ret < 0) |
502 | break; | |
36167d82 | 503 | } |
36167d82 JA |
504 | continue; |
505 | case FIO_Q_QUEUED: | |
506 | break; | |
755200a3 JA |
507 | case FIO_Q_BUSY: |
508 | requeue_io_u(td, &io_u); | |
5451792e JA |
509 | ret2 = td_io_commit(td); |
510 | if (ret2 < 0) | |
511 | ret = ret2; | |
755200a3 | 512 | break; |
36167d82 JA |
513 | default: |
514 | assert(ret < 0); | |
e1161c32 | 515 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
516 | break; |
517 | } | |
518 | ||
f2bba182 | 519 | if (break_on_this_error(td, &ret)) |
3af6ef39 JA |
520 | break; |
521 | ||
ebac4655 | 522 | /* |
3af6ef39 JA |
523 | * if we can queue more, do so. but check if there are |
524 | * completed io_u's first. | |
ebac4655 | 525 | */ |
4950421a JA |
526 | full = queue_full(td) || ret == FIO_Q_BUSY; |
527 | if (full || !td->o.iodepth_batch_complete) { | |
528 | min_events = td->o.iodepth_batch_complete; | |
529 | if (full && !min_events) | |
838bc709 | 530 | min_events = 1; |
e916b390 | 531 | |
4950421a JA |
532 | do { |
533 | /* | |
534 | * Reap required number of io units, if any, | |
535 | * and do the verification on them through | |
536 | * the callback handler | |
537 | */ | |
581e7141 | 538 | if (io_u_queued_complete(td, min_events, NULL) < 0) { |
4950421a JA |
539 | ret = -1; |
540 | break; | |
541 | } | |
542 | } while (full && (td->cur_depth > td->o.iodepth_low)); | |
543 | } | |
544 | if (ret < 0) | |
ebac4655 | 545 | break; |
36167d82 | 546 | } |
ebac4655 | 547 | |
c01c0395 JA |
548 | if (!td->error) { |
549 | min_events = td->cur_depth; | |
550 | ||
551 | if (min_events) | |
581e7141 | 552 | ret = io_u_queued_complete(td, min_events, NULL); |
c01c0395 | 553 | } else |
ebac4655 JA |
554 | cleanup_pending_aio(td); |
555 | ||
556 | td_set_runstate(td, TD_RUNNING); | |
557 | } | |
558 | ||
32cd46a0 | 559 | /* |
906c8d75 | 560 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
561 | * and reaps them, checking for rate and errors along the way. |
562 | */ | |
ebac4655 JA |
563 | static void do_io(struct thread_data *td) |
564 | { | |
af52b345 JA |
565 | unsigned int i; |
566 | int ret = 0; | |
ebac4655 | 567 | |
b29ee5b3 JA |
568 | if (in_ramp_time(td)) |
569 | td_set_runstate(td, TD_RAMP); | |
570 | else | |
571 | td_set_runstate(td, TD_RUNNING); | |
5853e5a8 | 572 | |
7bb48f84 | 573 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) { |
97601024 | 574 | struct timeval comp_time; |
581e7141 | 575 | unsigned long bytes_done[2] = { 0, 0 }; |
84585003 | 576 | int min_evts = 0; |
ebac4655 | 577 | struct io_u *io_u; |
4950421a | 578 | int ret2, full; |
ebac4655 JA |
579 | |
580 | if (td->terminate) | |
581 | break; | |
582 | ||
3d7c391d | 583 | io_u = get_io_u(td); |
ebac4655 JA |
584 | if (!io_u) |
585 | break; | |
586 | ||
993bf48b | 587 | update_tv_cache(td); |
97601024 | 588 | |
993bf48b | 589 | if (runtime_exceeded(td, &td->tv_cache)) { |
97601024 | 590 | put_io_u(td, io_u); |
90a87d4b | 591 | td->terminate = 1; |
97601024 JA |
592 | break; |
593 | } | |
36167d82 | 594 | |
b67740d3 JA |
595 | /* |
596 | * Add verification end_io handler, if asked to verify | |
597 | * a previously written file. | |
598 | */ | |
cc3fc855 | 599 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ) { |
b67740d3 | 600 | io_u->end_io = verify_io_u; |
d8fab1b6 | 601 | td_set_runstate(td, TD_VERIFYING); |
b29ee5b3 JA |
602 | } else if (in_ramp_time(td)) |
603 | td_set_runstate(td, TD_RAMP); | |
604 | else | |
d8fab1b6 | 605 | td_set_runstate(td, TD_RUNNING); |
b67740d3 | 606 | |
11786802 | 607 | ret = td_io_queue(td, io_u); |
36167d82 JA |
608 | switch (ret) { |
609 | case FIO_Q_COMPLETED: | |
f2bba182 | 610 | if (io_u->error) { |
5451792e | 611 | ret = -io_u->error; |
f2bba182 RR |
612 | clear_io_u(td, io_u); |
613 | } else if (io_u->resid) { | |
36167d82 | 614 | int bytes = io_u->xfer_buflen - io_u->resid; |
d460eb31 | 615 | struct fio_file *f = io_u->file; |
36167d82 | 616 | |
9e9d164e JA |
617 | /* |
618 | * zero read, fail | |
619 | */ | |
620 | if (!bytes) { | |
41d9f0fd | 621 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
622 | put_io_u(td, io_u); |
623 | break; | |
624 | } | |
625 | ||
cec6b55d | 626 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 627 | io_u->xfer_buf += bytes; |
5a7c5680 JA |
628 | io_u->offset += bytes; |
629 | ||
30061b97 JA |
630 | td->ts.short_io_u[io_u->ddir]++; |
631 | ||
d460eb31 | 632 | if (io_u->offset == f->real_file_size) |
5a7c5680 JA |
633 | goto sync_done; |
634 | ||
11786802 JA |
635 | requeue_io_u(td, &io_u); |
636 | } else { | |
5a7c5680 | 637 | sync_done: |
581e7141 JA |
638 | if (__should_check_rate(td, 0) || |
639 | __should_check_rate(td, 1)) | |
993bf48b JA |
640 | fio_gettime(&comp_time, NULL); |
641 | ||
581e7141 JA |
642 | ret = io_u_sync_complete(td, io_u, bytes_done); |
643 | if (ret < 0) | |
644 | break; | |
cec6b55d | 645 | } |
36167d82 JA |
646 | break; |
647 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
648 | /* |
649 | * if the engine doesn't have a commit hook, | |
650 | * the io_u is really queued. if it does have such | |
651 | * a hook, it has to call io_u_queued() itself. | |
652 | */ | |
653 | if (td->io_ops->commit == NULL) | |
654 | io_u_queued(td, io_u); | |
36167d82 | 655 | break; |
755200a3 JA |
656 | case FIO_Q_BUSY: |
657 | requeue_io_u(td, &io_u); | |
5451792e JA |
658 | ret2 = td_io_commit(td); |
659 | if (ret2 < 0) | |
660 | ret = ret2; | |
755200a3 | 661 | break; |
36167d82 JA |
662 | default: |
663 | assert(ret < 0); | |
664 | put_io_u(td, io_u); | |
665 | break; | |
ebac4655 JA |
666 | } |
667 | ||
f2bba182 | 668 | if (break_on_this_error(td, &ret)) |
36167d82 JA |
669 | break; |
670 | ||
97601024 JA |
671 | /* |
672 | * See if we need to complete some commands | |
673 | */ | |
4950421a JA |
674 | full = queue_full(td) || ret == FIO_Q_BUSY; |
675 | if (full || !td->o.iodepth_batch_complete) { | |
676 | min_evts = td->o.iodepth_batch_complete; | |
677 | if (full && !min_evts) | |
36167d82 | 678 | min_evts = 1; |
4950421a | 679 | |
581e7141 JA |
680 | if (__should_check_rate(td, 0) || |
681 | __should_check_rate(td, 1)) | |
993bf48b | 682 | fio_gettime(&comp_time, NULL); |
4950421a JA |
683 | |
684 | do { | |
581e7141 JA |
685 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
686 | if (ret < 0) | |
4950421a JA |
687 | break; |
688 | ||
4950421a | 689 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
ebac4655 JA |
690 | } |
691 | ||
4950421a JA |
692 | if (ret < 0) |
693 | break; | |
581e7141 | 694 | if (!(bytes_done[0] + bytes_done[1])) |
97601024 JA |
695 | continue; |
696 | ||
581e7141 JA |
697 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
698 | if (check_min_rate(td, &comp_time, bytes_done)) { | |
721938ae JA |
699 | if (exitall_on_terminate) |
700 | terminate_threads(td->groupid); | |
701 | td_verror(td, EIO, "check_min_rate"); | |
702 | break; | |
703 | } | |
ebac4655 JA |
704 | } |
705 | ||
2dc1bbeb | 706 | if (td->o.thinktime) { |
9c1f7434 JA |
707 | unsigned long long b; |
708 | ||
709 | b = td->io_blocks[0] + td->io_blocks[1]; | |
2dc1bbeb | 710 | if (!(b % td->o.thinktime_blocks)) { |
48097d5c JA |
711 | int left; |
712 | ||
2dc1bbeb | 713 | if (td->o.thinktime_spin) |
6dd6f2cd | 714 | usec_spin(td->o.thinktime_spin); |
48097d5c | 715 | |
2dc1bbeb | 716 | left = td->o.thinktime - td->o.thinktime_spin; |
48097d5c JA |
717 | if (left) |
718 | usec_sleep(td, left); | |
719 | } | |
9c1f7434 | 720 | } |
ebac4655 JA |
721 | } |
722 | ||
aa31f1f1 SL |
723 | if (td->o.fill_device && td->error == ENOSPC) { |
724 | td->error = 0; | |
725 | td->terminate = 1; | |
726 | } | |
4d2413c6 | 727 | if (!td->error) { |
3d7c391d JA |
728 | struct fio_file *f; |
729 | ||
c01c0395 JA |
730 | i = td->cur_depth; |
731 | if (i) | |
581e7141 | 732 | ret = io_u_queued_complete(td, i, NULL); |
ebac4655 | 733 | |
2dc1bbeb | 734 | if (should_fsync(td) && td->o.end_fsync) { |
84585003 | 735 | td_set_runstate(td, TD_FSYNCING); |
3d7b485f JA |
736 | |
737 | for_each_file(td, f, i) { | |
d6aed795 | 738 | if (!fio_file_open(f)) |
3d7b485f | 739 | continue; |
858a3d47 | 740 | fio_io_sync(td, f); |
3d7b485f | 741 | } |
84585003 | 742 | } |
c01c0395 JA |
743 | } else |
744 | cleanup_pending_aio(td); | |
2ba1c290 JA |
745 | |
746 | /* | |
747 | * stop job if we failed doing any IO | |
748 | */ | |
749 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) | |
750 | td->done = 1; | |
ebac4655 JA |
751 | } |
752 | ||
ebac4655 JA |
753 | static void cleanup_io_u(struct thread_data *td) |
754 | { | |
01743ee1 | 755 | struct flist_head *entry, *n; |
ebac4655 JA |
756 | struct io_u *io_u; |
757 | ||
01743ee1 JA |
758 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
759 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 760 | |
01743ee1 | 761 | flist_del(&io_u->list); |
ebac4655 JA |
762 | free(io_u); |
763 | } | |
764 | ||
2f9ade3c | 765 | free_io_mem(td); |
ebac4655 JA |
766 | } |
767 | ||
768 | static int init_io_u(struct thread_data *td) | |
769 | { | |
770 | struct io_u *io_u; | |
a00735e6 | 771 | unsigned int max_bs; |
eb7ccf38 | 772 | int cl_align, i, max_units; |
ebac4655 JA |
773 | char *p; |
774 | ||
1e3c09af | 775 | max_units = td->o.iodepth; |
2dc1bbeb | 776 | max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]); |
5ec10eaa JA |
777 | td->orig_buffer_size = (unsigned long long) max_bs |
778 | * (unsigned long long) max_units; | |
779 | ||
780 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { | |
781 | unsigned long bs; | |
74b025b0 | 782 | |
5ec10eaa JA |
783 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
784 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); | |
785 | } | |
ebac4655 | 786 | |
c3990645 JA |
787 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
788 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); | |
789 | return 1; | |
790 | } | |
791 | ||
2f9ade3c JA |
792 | if (allocate_io_mem(td)) |
793 | return 1; | |
ebac4655 | 794 | |
b3f378e9 JA |
795 | if (td->o.odirect) |
796 | p = ALIGN(td->orig_buffer); | |
797 | else | |
798 | p = td->orig_buffer; | |
799 | ||
eb7ccf38 JA |
800 | cl_align = os_cache_line_size(); |
801 | ||
ebac4655 | 802 | for (i = 0; i < max_units; i++) { |
eb7ccf38 JA |
803 | void *ptr; |
804 | ||
db1cd90b JA |
805 | if (td->terminate) |
806 | return 1; | |
eb7ccf38 JA |
807 | |
808 | if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) { | |
809 | log_err("fio: posix_memalign=%s\n", strerror(errno)); | |
810 | break; | |
811 | } | |
812 | ||
813 | io_u = ptr; | |
ebac4655 | 814 | memset(io_u, 0, sizeof(*io_u)); |
01743ee1 | 815 | INIT_FLIST_HEAD(&io_u->list); |
ebac4655 | 816 | |
b4c5e1ac JA |
817 | if (!(td->io_ops->flags & FIO_NOIO)) { |
818 | io_u->buf = p + max_bs * i; | |
e9459e5a | 819 | |
5973cafb JA |
820 | if (td_write(td) && !td->o.refill_buffers) |
821 | io_u_fill_buffer(td, io_u, max_bs); | |
b4c5e1ac | 822 | } |
6b9cea23 | 823 | |
b1ff3403 | 824 | io_u->index = i; |
0c6e7517 | 825 | io_u->flags = IO_U_F_FREE; |
01743ee1 | 826 | flist_add(&io_u->list, &td->io_u_freelist); |
ebac4655 JA |
827 | } |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
da86774e JA |
832 | static int switch_ioscheduler(struct thread_data *td) |
833 | { | |
834 | char tmp[256], tmp2[128]; | |
835 | FILE *f; | |
836 | int ret; | |
837 | ||
ba0fbe10 | 838 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
839 | return 0; |
840 | ||
da86774e JA |
841 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
842 | ||
843 | f = fopen(tmp, "r+"); | |
844 | if (!f) { | |
cbf5c1d7 | 845 | if (errno == ENOENT) { |
5ec10eaa JA |
846 | log_err("fio: os or kernel doesn't support IO scheduler" |
847 | " switching\n"); | |
cbf5c1d7 JA |
848 | return 0; |
849 | } | |
850 | td_verror(td, errno, "fopen iosched"); | |
da86774e JA |
851 | return 1; |
852 | } | |
853 | ||
854 | /* | |
855 | * Set io scheduler. | |
856 | */ | |
2dc1bbeb | 857 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
da86774e | 858 | if (ferror(f) || ret != 1) { |
e1161c32 | 859 | td_verror(td, errno, "fwrite"); |
da86774e JA |
860 | fclose(f); |
861 | return 1; | |
862 | } | |
863 | ||
864 | rewind(f); | |
865 | ||
866 | /* | |
867 | * Read back and check that the selected scheduler is now the default. | |
868 | */ | |
869 | ret = fread(tmp, 1, sizeof(tmp), f); | |
870 | if (ferror(f) || ret < 0) { | |
e1161c32 | 871 | td_verror(td, errno, "fread"); |
da86774e JA |
872 | fclose(f); |
873 | return 1; | |
874 | } | |
875 | ||
2dc1bbeb | 876 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
da86774e | 877 | if (!strstr(tmp, tmp2)) { |
2dc1bbeb | 878 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
e1161c32 | 879 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
880 | fclose(f); |
881 | return 1; | |
882 | } | |
883 | ||
884 | fclose(f); | |
885 | return 0; | |
886 | } | |
887 | ||
492158cf JA |
888 | static int keep_running(struct thread_data *td) |
889 | { | |
890 | unsigned long long io_done; | |
891 | ||
20e354ef JA |
892 | if (td->done) |
893 | return 0; | |
492158cf JA |
894 | if (td->o.time_based) |
895 | return 1; | |
896 | if (td->o.loops) { | |
897 | td->o.loops--; | |
898 | return 1; | |
899 | } | |
900 | ||
5ec10eaa JA |
901 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
902 | + td->io_skip_bytes; | |
492158cf JA |
903 | if (io_done < td->o.size) |
904 | return 1; | |
905 | ||
906 | return 0; | |
907 | } | |
908 | ||
b29ee5b3 | 909 | static void reset_io_counters(struct thread_data *td) |
ebac4655 | 910 | { |
756867bd | 911 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 912 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 913 | td->zone_bytes = 0; |
581e7141 JA |
914 | td->rate_bytes[0] = td->rate_bytes[1] = 0; |
915 | td->rate_blocks[0] = td->rate_blocks[1] = 0; | |
ebac4655 | 916 | |
c1324df1 JA |
917 | td->last_was_sync = 0; |
918 | ||
2ba1c290 JA |
919 | /* |
920 | * reset file done count if we are to start over | |
921 | */ | |
922 | if (td->o.time_based || td->o.loops) | |
48f5abd3 | 923 | td->nr_done_files = 0; |
5bfc35d7 JA |
924 | |
925 | /* | |
926 | * Set the same seed to get repeatable runs | |
927 | */ | |
928 | td_fill_rand_seeds(td); | |
b29ee5b3 JA |
929 | } |
930 | ||
931 | void reset_all_stats(struct thread_data *td) | |
932 | { | |
933 | struct timeval tv; | |
934 | int i; | |
935 | ||
936 | reset_io_counters(td); | |
937 | ||
938 | for (i = 0; i < 2; i++) { | |
939 | td->io_bytes[i] = 0; | |
940 | td->io_blocks[i] = 0; | |
941 | td->io_issues[i] = 0; | |
942 | td->ts.total_io_u[i] = 0; | |
943 | } | |
944 | ||
945 | fio_gettime(&tv, NULL); | |
946 | memcpy(&td->epoch, &tv, sizeof(tv)); | |
947 | memcpy(&td->start, &tv, sizeof(tv)); | |
948 | } | |
949 | ||
df9c26b1 | 950 | static void clear_io_state(struct thread_data *td) |
b29ee5b3 JA |
951 | { |
952 | struct fio_file *f; | |
953 | unsigned int i; | |
b29ee5b3 JA |
954 | |
955 | reset_io_counters(td); | |
281f9b63 | 956 | |
24ffd2c2 | 957 | close_files(td); |
df9c26b1 | 958 | for_each_file(td, f, i) |
d6aed795 | 959 | fio_file_clear_done(f); |
ebac4655 JA |
960 | } |
961 | ||
398e8c4d JA |
962 | static int exec_string(const char *string) |
963 | { | |
964 | int ret, newlen = strlen(string) + 1 + 8; | |
965 | char *str; | |
966 | ||
967 | str = malloc(newlen); | |
968 | sprintf(str, "sh -c %s", string); | |
969 | ||
970 | ret = system(str); | |
971 | if (ret == -1) | |
972 | log_err("fio: exec of cmd <%s> failed\n", str); | |
973 | ||
974 | free(str); | |
975 | return ret; | |
976 | } | |
977 | ||
906c8d75 JA |
978 | /* |
979 | * Entry point for the thread based jobs. The process based jobs end up | |
980 | * here as well, after a little setup. | |
981 | */ | |
ebac4655 JA |
982 | static void *thread_main(void *data) |
983 | { | |
10927316 | 984 | unsigned long long runtime[2], elapsed; |
ebac4655 | 985 | struct thread_data *td = data; |
a978ba68 | 986 | int clear_state; |
ebac4655 | 987 | |
2dc1bbeb | 988 | if (!td->o.use_thread) |
ebac4655 JA |
989 | setsid(); |
990 | ||
991 | td->pid = getpid(); | |
992 | ||
5921e80c | 993 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
ee56ad50 | 994 | |
01743ee1 JA |
995 | INIT_FLIST_HEAD(&td->io_u_freelist); |
996 | INIT_FLIST_HEAD(&td->io_u_busylist); | |
997 | INIT_FLIST_HEAD(&td->io_u_requeues); | |
998 | INIT_FLIST_HEAD(&td->io_log_list); | |
999 | INIT_FLIST_HEAD(&td->io_hist_list); | |
bb5d7d0b | 1000 | td->io_hist_tree = RB_ROOT; |
aea47d44 | 1001 | |
db1cd90b | 1002 | td_set_runstate(td, TD_INITIALIZED); |
29adda3c | 1003 | dprint(FD_MUTEX, "up startup_mutex\n"); |
cdd18ad8 | 1004 | fio_mutex_up(startup_mutex); |
29adda3c | 1005 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
cdd18ad8 | 1006 | fio_mutex_down(td->mutex); |
29adda3c | 1007 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
db1cd90b JA |
1008 | |
1009 | /* | |
cdd18ad8 | 1010 | * the ->mutex mutex is now no longer used, close it to avoid |
db1cd90b JA |
1011 | * eating a file descriptor |
1012 | */ | |
cdd18ad8 | 1013 | fio_mutex_remove(td->mutex); |
db1cd90b | 1014 | |
d84f8d49 JA |
1015 | /* |
1016 | * May alter parameters that init_io_u() will use, so we need to | |
1017 | * do this first. | |
1018 | */ | |
1019 | if (init_iolog(td)) | |
1020 | goto err; | |
1021 | ||
ebac4655 | 1022 | if (init_io_u(td)) |
db1cd90b | 1023 | goto err; |
ebac4655 | 1024 | |
375b2695 | 1025 | if (td->o.cpumask_set && fio_setaffinity(td) == -1) { |
e1161c32 | 1026 | td_verror(td, errno, "cpu_set_affinity"); |
db1cd90b | 1027 | goto err; |
ebac4655 JA |
1028 | } |
1029 | ||
f484470b JA |
1030 | /* |
1031 | * If we have a gettimeofday() thread, make sure we exclude that | |
1032 | * thread from this job | |
1033 | */ | |
be4ecfdf | 1034 | if (td->o.gtod_cpu) { |
be4ecfdf JA |
1035 | fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu); |
1036 | if (fio_setaffinity(td) == -1) { | |
1037 | td_verror(td, errno, "cpu_set_affinity"); | |
1038 | goto err; | |
1039 | } | |
1040 | } | |
1041 | ||
ac684785 | 1042 | if (td->ioprio_set) { |
ebac4655 | 1043 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
e1161c32 | 1044 | td_verror(td, errno, "ioprio_set"); |
db1cd90b | 1045 | goto err; |
ebac4655 JA |
1046 | } |
1047 | } | |
1048 | ||
2dc1bbeb | 1049 | if (nice(td->o.nice) == -1) { |
e1161c32 | 1050 | td_verror(td, errno, "nice"); |
db1cd90b | 1051 | goto err; |
b6f4d880 JA |
1052 | } |
1053 | ||
2dc1bbeb | 1054 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
db1cd90b | 1055 | goto err; |
37f56873 | 1056 | |
2dc1bbeb | 1057 | if (!td->o.create_serialize && setup_files(td)) |
ebac4655 JA |
1058 | goto err; |
1059 | ||
7d6c5283 JA |
1060 | if (td_io_init(td)) |
1061 | goto err; | |
1062 | ||
68727076 JA |
1063 | if (init_random_map(td)) |
1064 | goto err; | |
1065 | ||
2dc1bbeb | 1066 | if (td->o.exec_prerun) { |
398e8c4d | 1067 | if (exec_string(td->o.exec_prerun)) |
69cfd7e0 JA |
1068 | goto err; |
1069 | } | |
4e0ba8af | 1070 | |
afad68f7 ZY |
1071 | if (td->o.pre_read) { |
1072 | if (pre_read_files(td) < 0) | |
1073 | goto err; | |
1074 | } | |
1075 | ||
69008999 | 1076 | fio_gettime(&td->epoch, NULL); |
756867bd | 1077 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
1078 | |
1079 | runtime[0] = runtime[1] = 0; | |
a978ba68 | 1080 | clear_state = 0; |
492158cf | 1081 | while (keep_running(td)) { |
02bcaa8c | 1082 | fio_gettime(&td->start, NULL); |
756867bd | 1083 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
993bf48b | 1084 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
ebac4655 | 1085 | |
cf2dd8d6 | 1086 | if (td->o.ratemin[0] || td->o.ratemin[1]) |
5ec10eaa JA |
1087 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
1088 | sizeof(td->lastrate)); | |
ebac4655 | 1089 | |
df9c26b1 JA |
1090 | if (clear_state) |
1091 | clear_io_state(td); | |
a978ba68 | 1092 | |
ebac4655 JA |
1093 | prune_io_piece_log(td); |
1094 | ||
ba0fbe10 | 1095 | do_io(td); |
ebac4655 | 1096 | |
a978ba68 JA |
1097 | clear_state = 1; |
1098 | ||
38d77cae | 1099 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
0a4957c6 | 1100 | elapsed = utime_since_now(&td->start); |
38d77cae JA |
1101 | runtime[DDIR_READ] += elapsed; |
1102 | } | |
1103 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { | |
0a4957c6 | 1104 | elapsed = utime_since_now(&td->start); |
38d77cae JA |
1105 | runtime[DDIR_WRITE] += elapsed; |
1106 | } | |
5ec10eaa | 1107 | |
ebac4655 JA |
1108 | if (td->error || td->terminate) |
1109 | break; | |
1110 | ||
e84c73a8 SL |
1111 | if (!td->o.do_verify || |
1112 | td->o.verify == VERIFY_NONE || | |
b67740d3 | 1113 | (td->io_ops->flags & FIO_UNIDIR)) |
ebac4655 JA |
1114 | continue; |
1115 | ||
df9c26b1 | 1116 | clear_io_state(td); |
a978ba68 | 1117 | |
02bcaa8c | 1118 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
1119 | |
1120 | do_verify(td); | |
1121 | ||
69008999 | 1122 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
1123 | |
1124 | if (td->error || td->terminate) | |
1125 | break; | |
1126 | } | |
1127 | ||
36dff966 | 1128 | update_rusage_stat(td); |
47f0cc48 YHJT |
1129 | td->ts.runtime[0] = (runtime[0] + 999) / 1000; |
1130 | td->ts.runtime[1] = (runtime[1] + 999) / 1000; | |
756867bd JA |
1131 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
1132 | td->ts.io_bytes[0] = td->io_bytes[0]; | |
1133 | td->ts.io_bytes[1] = td->io_bytes[1]; | |
1134 | ||
d2bbb8d9 | 1135 | fio_mutex_down(writeout_mutex); |
e3cedca7 | 1136 | if (td->ts.bw_log) { |
f484470b JA |
1137 | if (td->o.bw_log_file) { |
1138 | finish_log_named(td, td->ts.bw_log, | |
1139 | td->o.bw_log_file, "bw"); | |
1140 | } else | |
e3cedca7 JA |
1141 | finish_log(td, td->ts.bw_log, "bw"); |
1142 | } | |
1143 | if (td->ts.slat_log) { | |
f484470b JA |
1144 | if (td->o.lat_log_file) { |
1145 | finish_log_named(td, td->ts.slat_log, | |
1ca95738 | 1146 | td->o.lat_log_file, "slat"); |
f484470b | 1147 | } else |
e3cedca7 JA |
1148 | finish_log(td, td->ts.slat_log, "slat"); |
1149 | } | |
1150 | if (td->ts.clat_log) { | |
f484470b JA |
1151 | if (td->o.lat_log_file) { |
1152 | finish_log_named(td, td->ts.clat_log, | |
1153 | td->o.lat_log_file, "clat"); | |
1154 | } else | |
e3cedca7 JA |
1155 | finish_log(td, td->ts.clat_log, "clat"); |
1156 | } | |
d2bbb8d9 | 1157 | fio_mutex_up(writeout_mutex); |
398e8c4d JA |
1158 | if (td->o.exec_postrun) |
1159 | exec_string(td->o.exec_postrun); | |
ebac4655 JA |
1160 | |
1161 | if (exitall_on_terminate) | |
390c40e2 | 1162 | terminate_threads(td->groupid); |
ebac4655 JA |
1163 | |
1164 | err: | |
5bf13a5a | 1165 | if (td->error) |
5921e80c | 1166 | printf("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, |
5ec10eaa | 1167 | td->verror); |
24ffd2c2 | 1168 | close_and_free_files(td); |
2866c82d | 1169 | close_ioengine(td); |
ebac4655 | 1170 | cleanup_io_u(td); |
f29b25a3 | 1171 | |
d2ce18b5 JA |
1172 | if (td->o.cpumask_set) { |
1173 | int ret = fio_cpuset_exit(&td->o.cpumask); | |
1174 | ||
1175 | td_verror(td, ret, "fio_cpuset_exit"); | |
1176 | } | |
4e78e405 | 1177 | |
f29b25a3 JA |
1178 | /* |
1179 | * do this very late, it will log file closing as well | |
1180 | */ | |
1181 | if (td->o.write_iolog_file) | |
1182 | write_iolog_close(td); | |
1183 | ||
d23bb327 | 1184 | options_mem_free(td); |
ebac4655 | 1185 | td_set_runstate(td, TD_EXITED); |
43d76807 | 1186 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
1187 | } |
1188 | ||
906c8d75 JA |
1189 | /* |
1190 | * We cannot pass the td data into a forked process, so attach the td and | |
1191 | * pass it to the thread worker. | |
1192 | */ | |
a6418147 | 1193 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
1194 | { |
1195 | struct thread_data *td; | |
a6418147 | 1196 | void *data, *ret; |
ebac4655 JA |
1197 | |
1198 | data = shmat(shmid, NULL, 0); | |
1199 | if (data == (void *) -1) { | |
a6418147 JA |
1200 | int __err = errno; |
1201 | ||
ebac4655 | 1202 | perror("shmat"); |
a6418147 | 1203 | return __err; |
ebac4655 JA |
1204 | } |
1205 | ||
1206 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 1207 | ret = thread_main(td); |
ebac4655 | 1208 | shmdt(data); |
43d76807 | 1209 | return (int) (unsigned long) ret; |
ebac4655 JA |
1210 | } |
1211 | ||
906c8d75 JA |
1212 | /* |
1213 | * Run over the job map and reap the threads that have exited, if any. | |
1214 | */ | |
ebac4655 JA |
1215 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
1216 | { | |
34572e28 | 1217 | struct thread_data *td; |
1f809d15 | 1218 | int i, cputhreads, realthreads, pending, status, ret; |
ebac4655 JA |
1219 | |
1220 | /* | |
1221 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1222 | */ | |
1f809d15 | 1223 | realthreads = pending = cputhreads = 0; |
34572e28 | 1224 | for_each_td(td, i) { |
3707f45b | 1225 | int flags = 0; |
a2f77c9f | 1226 | |
84585003 JA |
1227 | /* |
1228 | * ->io_ops is NULL for a thread that has closed its | |
1229 | * io engine | |
1230 | */ | |
ba0fbe10 | 1231 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 | 1232 | cputhreads++; |
1f809d15 JA |
1233 | else |
1234 | realthreads++; | |
b990b5c0 | 1235 | |
a1dedc1f AC |
1236 | if (!td->pid) { |
1237 | pending++; | |
1238 | continue; | |
1239 | } | |
1240 | if (td->runstate == TD_REAPED) | |
a2f77c9f | 1241 | continue; |
2dc1bbeb | 1242 | if (td->o.use_thread) { |
3707f45b JA |
1243 | if (td->runstate == TD_EXITED) { |
1244 | td_set_runstate(td, TD_REAPED); | |
1245 | goto reaped; | |
1246 | } | |
1247 | continue; | |
1248 | } | |
a2f77c9f JA |
1249 | |
1250 | flags = WNOHANG; | |
1251 | if (td->runstate == TD_EXITED) | |
1252 | flags = 0; | |
1253 | ||
1254 | /* | |
1255 | * check if someone quit or got killed in an unusual way | |
1256 | */ | |
1257 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 1258 | if (ret < 0) { |
a2f77c9f | 1259 | if (errno == ECHILD) { |
5921e80c JA |
1260 | log_err("fio: pid=%d disappeared %d\n", |
1261 | (int) td->pid, td->runstate); | |
a2f77c9f JA |
1262 | td_set_runstate(td, TD_REAPED); |
1263 | goto reaped; | |
1264 | } | |
1265 | perror("waitpid"); | |
1266 | } else if (ret == td->pid) { | |
1267 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
1268 | int sig = WTERMSIG(status); |
1269 | ||
d9244941 | 1270 | if (sig != SIGQUIT) |
5ec10eaa | 1271 | log_err("fio: pid=%d, got signal=%d\n", |
5921e80c | 1272 | (int) td->pid, sig); |
fab6aa71 JA |
1273 | td_set_runstate(td, TD_REAPED); |
1274 | goto reaped; | |
1275 | } | |
a2f77c9f JA |
1276 | if (WIFEXITED(status)) { |
1277 | if (WEXITSTATUS(status) && !td->error) | |
1278 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 1279 | |
a2f77c9f JA |
1280 | td_set_runstate(td, TD_REAPED); |
1281 | goto reaped; | |
a6418147 JA |
1282 | } |
1283 | } | |
ebac4655 | 1284 | |
a2f77c9f JA |
1285 | /* |
1286 | * thread is not dead, continue | |
1287 | */ | |
e48676ba | 1288 | pending++; |
a2f77c9f | 1289 | continue; |
fab6aa71 | 1290 | reaped: |
ebac4655 | 1291 | (*nr_running)--; |
581e7141 JA |
1292 | (*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]); |
1293 | (*t_rate) -= (td->o.rate[0] + td->o.rate[1]); | |
6f88bcb0 JA |
1294 | if (!td->pid) |
1295 | pending--; | |
a2f77c9f JA |
1296 | |
1297 | if (td->error) | |
1298 | exit_value++; | |
d3eeeabc JA |
1299 | |
1300 | done_secs += mtime_since_now(&td->epoch) / 1000; | |
ebac4655 | 1301 | } |
b990b5c0 | 1302 | |
1f809d15 | 1303 | if (*nr_running == cputhreads && !pending && realthreads) |
390c40e2 | 1304 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
1305 | } |
1306 | ||
be4ecfdf JA |
1307 | static void *gtod_thread_main(void *data) |
1308 | { | |
1309 | fio_mutex_up(startup_mutex); | |
1310 | ||
1311 | /* | |
1312 | * As long as we have jobs around, update the clock. It would be nice | |
1313 | * to have some way of NOT hammering that CPU with gettimeofday(), | |
1314 | * but I'm not sure what to use outside of a simple CPU nop to relax | |
1315 | * it - we don't want to lose precision. | |
1316 | */ | |
1317 | while (threads) { | |
1318 | fio_gtod_update(); | |
1319 | nop; | |
1320 | } | |
1321 | ||
1322 | return NULL; | |
1323 | } | |
1324 | ||
1325 | static int fio_start_gtod_thread(void) | |
1326 | { | |
f42c153d JA |
1327 | int ret; |
1328 | ||
1329 | ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL); | |
1330 | if (ret) { | |
1331 | log_err("Can't create gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1332 | return 1; |
1333 | } | |
f42c153d JA |
1334 | |
1335 | ret = pthread_detach(gtod_thread); | |
1336 | if (ret) { | |
1337 | log_err("Can't detatch gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1338 | return 1; |
1339 | } | |
1340 | ||
29adda3c | 1341 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
be4ecfdf | 1342 | fio_mutex_down(startup_mutex); |
29adda3c | 1343 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
be4ecfdf JA |
1344 | return 0; |
1345 | } | |
1346 | ||
906c8d75 JA |
1347 | /* |
1348 | * Main function for kicking off and reaping jobs, as needed. | |
1349 | */ | |
ebac4655 JA |
1350 | static void run_threads(void) |
1351 | { | |
ebac4655 JA |
1352 | struct thread_data *td; |
1353 | unsigned long spent; | |
1354 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 1355 | |
2f9ade3c JA |
1356 | if (fio_pin_memory()) |
1357 | return; | |
ebac4655 | 1358 | |
be4ecfdf JA |
1359 | if (fio_gtod_offload && fio_start_gtod_thread()) |
1360 | return; | |
1361 | ||
c6ae0a5b | 1362 | if (!terse_output) { |
9cedf167 JA |
1363 | printf("Starting "); |
1364 | if (nr_thread) | |
5ec10eaa JA |
1365 | printf("%d thread%s", nr_thread, |
1366 | nr_thread > 1 ? "s" : ""); | |
9cedf167 JA |
1367 | if (nr_process) { |
1368 | if (nr_thread) | |
1369 | printf(" and "); | |
5ec10eaa JA |
1370 | printf("%d process%s", nr_process, |
1371 | nr_process > 1 ? "es" : ""); | |
9cedf167 JA |
1372 | } |
1373 | printf("\n"); | |
c6ae0a5b JA |
1374 | fflush(stdout); |
1375 | } | |
c04f7ec3 | 1376 | |
697a606c | 1377 | set_sig_handlers(); |
4efa970e | 1378 | |
ebac4655 JA |
1379 | todo = thread_number; |
1380 | nr_running = 0; | |
1381 | nr_started = 0; | |
1382 | m_rate = t_rate = 0; | |
1383 | ||
34572e28 | 1384 | for_each_td(td, i) { |
263e529f | 1385 | print_status_init(td->thread_number - 1); |
ebac4655 | 1386 | |
2dc1bbeb | 1387 | if (!td->o.create_serialize) { |
380cf265 | 1388 | init_disk_util(td); |
ebac4655 | 1389 | continue; |
380cf265 | 1390 | } |
ebac4655 JA |
1391 | |
1392 | /* | |
1393 | * do file setup here so it happens sequentially, | |
1394 | * we don't want X number of threads getting their | |
1395 | * client data interspersed on disk | |
1396 | */ | |
53cdc686 | 1397 | if (setup_files(td)) { |
5bf13a5a JA |
1398 | exit_value++; |
1399 | if (td->error) | |
5921e80c JA |
1400 | log_err("fio: pid=%d, err=%d/%s\n", |
1401 | (int) td->pid, td->error, td->verror); | |
ebac4655 JA |
1402 | td_set_runstate(td, TD_REAPED); |
1403 | todo--; | |
c69e8875 JA |
1404 | } else { |
1405 | struct fio_file *f; | |
1406 | unsigned int i; | |
1407 | ||
1408 | /* | |
1409 | * for sharing to work, each job must always open | |
1410 | * its own files. so close them, if we opened them | |
1411 | * for creation | |
1412 | */ | |
22a57ba8 JA |
1413 | for_each_file(td, f, i) { |
1414 | if (fio_file_open(f)) | |
1415 | td_io_close_file(td, f); | |
22a57ba8 | 1416 | } |
5ec10eaa | 1417 | } |
380cf265 JA |
1418 | |
1419 | init_disk_util(td); | |
ebac4655 JA |
1420 | } |
1421 | ||
a2f77c9f JA |
1422 | set_genesis_time(); |
1423 | ||
ebac4655 | 1424 | while (todo) { |
75154845 JA |
1425 | struct thread_data *map[MAX_JOBS]; |
1426 | struct timeval this_start; | |
1427 | int this_jobs = 0, left; | |
1428 | ||
ebac4655 JA |
1429 | /* |
1430 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1431 | */ | |
34572e28 | 1432 | for_each_td(td, i) { |
ebac4655 JA |
1433 | if (td->runstate != TD_NOT_CREATED) |
1434 | continue; | |
1435 | ||
1436 | /* | |
1437 | * never got a chance to start, killed by other | |
1438 | * thread for some reason | |
1439 | */ | |
1440 | if (td->terminate) { | |
1441 | todo--; | |
1442 | continue; | |
1443 | } | |
1444 | ||
2dc1bbeb | 1445 | if (td->o.start_delay) { |
263e529f | 1446 | spent = mtime_since_genesis(); |
ebac4655 | 1447 | |
2dc1bbeb | 1448 | if (td->o.start_delay * 1000 > spent) |
ebac4655 JA |
1449 | continue; |
1450 | } | |
1451 | ||
6f88bcb0 JA |
1452 | if (td->o.stonewall && (nr_started || nr_running)) { |
1453 | dprint(FD_PROCESS, "%s: stonewall wait\n", | |
1454 | td->o.name); | |
ebac4655 | 1455 | break; |
6f88bcb0 | 1456 | } |
ebac4655 | 1457 | |
75154845 JA |
1458 | /* |
1459 | * Set state to created. Thread will transition | |
1460 | * to TD_INITIALIZED when it's done setting up. | |
1461 | */ | |
ebac4655 | 1462 | td_set_runstate(td, TD_CREATED); |
75154845 | 1463 | map[this_jobs++] = td; |
ebac4655 JA |
1464 | nr_started++; |
1465 | ||
2dc1bbeb | 1466 | if (td->o.use_thread) { |
f42c153d JA |
1467 | int ret; |
1468 | ||
ee56ad50 | 1469 | dprint(FD_PROCESS, "will pthread_create\n"); |
f42c153d JA |
1470 | ret = pthread_create(&td->thread, NULL, |
1471 | thread_main, td); | |
1472 | if (ret) { | |
1473 | log_err("pthread_create: %s\n", | |
1474 | strerror(ret)); | |
ebac4655 | 1475 | nr_started--; |
c8bb6faf | 1476 | break; |
ebac4655 | 1477 | } |
f42c153d JA |
1478 | ret = pthread_detach(td->thread); |
1479 | if (ret) | |
1480 | log_err("pthread_detach: %s", | |
1481 | strerror(ret)); | |
ebac4655 | 1482 | } else { |
5e1d306e | 1483 | pid_t pid; |
ee56ad50 | 1484 | dprint(FD_PROCESS, "will fork\n"); |
5e1d306e JA |
1485 | pid = fork(); |
1486 | if (!pid) { | |
a6418147 JA |
1487 | int ret = fork_main(shm_id, i); |
1488 | ||
5e1d306e JA |
1489 | _exit(ret); |
1490 | } else if (i == fio_debug_jobno) | |
1491 | *fio_debug_jobp = pid; | |
ebac4655 | 1492 | } |
29adda3c | 1493 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
cdd18ad8 | 1494 | fio_mutex_down(startup_mutex); |
29adda3c | 1495 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
ebac4655 JA |
1496 | } |
1497 | ||
1498 | /* | |
75154845 JA |
1499 | * Wait for the started threads to transition to |
1500 | * TD_INITIALIZED. | |
ebac4655 | 1501 | */ |
02bcaa8c | 1502 | fio_gettime(&this_start, NULL); |
75154845 | 1503 | left = this_jobs; |
6ce15a32 | 1504 | while (left && !fio_abort) { |
75154845 JA |
1505 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1506 | break; | |
1507 | ||
1508 | usleep(100000); | |
1509 | ||
1510 | for (i = 0; i < this_jobs; i++) { | |
1511 | td = map[i]; | |
1512 | if (!td) | |
1513 | continue; | |
b6f4d880 | 1514 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1515 | map[i] = NULL; |
1516 | left--; | |
b6f4d880 JA |
1517 | } else if (td->runstate >= TD_EXITED) { |
1518 | map[i] = NULL; | |
1519 | left--; | |
1520 | todo--; | |
1521 | nr_running++; /* work-around... */ | |
75154845 JA |
1522 | } |
1523 | } | |
1524 | } | |
1525 | ||
1526 | if (left) { | |
3b70d7e5 | 1527 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1528 | for (i = 0; i < this_jobs; i++) { |
1529 | td = map[i]; | |
1530 | if (!td) | |
1531 | continue; | |
1532 | kill(td->pid, SIGTERM); | |
1533 | } | |
1534 | break; | |
1535 | } | |
1536 | ||
1537 | /* | |
b6f4d880 | 1538 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1539 | */ |
34572e28 | 1540 | for_each_td(td, i) { |
75154845 | 1541 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1542 | continue; |
1543 | ||
b29ee5b3 JA |
1544 | if (in_ramp_time(td)) |
1545 | td_set_runstate(td, TD_RAMP); | |
1546 | else | |
1547 | td_set_runstate(td, TD_RUNNING); | |
ebac4655 JA |
1548 | nr_running++; |
1549 | nr_started--; | |
581e7141 JA |
1550 | m_rate += td->o.ratemin[0] + td->o.ratemin[1]; |
1551 | t_rate += td->o.rate[0] + td->o.rate[1]; | |
75154845 | 1552 | todo--; |
cdd18ad8 | 1553 | fio_mutex_up(td->mutex); |
ebac4655 JA |
1554 | } |
1555 | ||
1556 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1557 | ||
1558 | if (todo) | |
1559 | usleep(100000); | |
1560 | } | |
1561 | ||
1562 | while (nr_running) { | |
1563 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1564 | usleep(10000); | |
1565 | } | |
1566 | ||
1567 | update_io_ticks(); | |
2f9ade3c | 1568 | fio_unpin_memory(); |
ebac4655 JA |
1569 | } |
1570 | ||
ebac4655 JA |
1571 | int main(int argc, char *argv[]) |
1572 | { | |
29d610e1 JA |
1573 | long ps; |
1574 | ||
2e5cdb11 JA |
1575 | sinit(); |
1576 | ||
dbe1125e JA |
1577 | /* |
1578 | * We need locale for number printing, if it isn't set then just | |
1579 | * go with the US format. | |
1580 | */ | |
1581 | if (!getenv("LC_NUMERIC")) | |
1582 | setlocale(LC_NUMERIC, "en_US"); | |
1583 | ||
ebac4655 JA |
1584 | if (parse_options(argc, argv)) |
1585 | return 1; | |
1586 | ||
4b472fa3 JA |
1587 | if (!thread_number) |
1588 | return 0; | |
ebac4655 | 1589 | |
29d610e1 JA |
1590 | ps = sysconf(_SC_PAGESIZE); |
1591 | if (ps < 0) { | |
1592 | log_err("Failed to get page size\n"); | |
1593 | return 1; | |
1594 | } | |
1595 | ||
cfc99db7 | 1596 | page_size = ps; |
29d610e1 JA |
1597 | page_mask = ps - 1; |
1598 | ||
bb3884d8 JA |
1599 | if (write_bw_log) { |
1600 | setup_log(&agg_io_log[DDIR_READ]); | |
1601 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1602 | } | |
1603 | ||
cdd18ad8 | 1604 | startup_mutex = fio_mutex_init(0); |
d2bbb8d9 | 1605 | writeout_mutex = fio_mutex_init(1); |
07739b57 | 1606 | |
a2f77c9f JA |
1607 | set_genesis_time(); |
1608 | ||
ccb0fa24 | 1609 | status_timer_arm(); |
ebac4655 JA |
1610 | |
1611 | run_threads(); | |
6ce15a32 | 1612 | |
bb3884d8 | 1613 | if (!fio_abort) { |
6ce15a32 | 1614 | show_run_stats(); |
bb3884d8 | 1615 | if (write_bw_log) { |
5ec10eaa JA |
1616 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
1617 | __finish_log(agg_io_log[DDIR_WRITE], | |
1618 | "agg-write_bw.log"); | |
bb3884d8 JA |
1619 | } |
1620 | } | |
ebac4655 | 1621 | |
cdd18ad8 | 1622 | fio_mutex_remove(startup_mutex); |
d2bbb8d9 | 1623 | fio_mutex_remove(writeout_mutex); |
437c9b71 | 1624 | return exit_value; |
ebac4655 | 1625 | } |