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; | |
d529ee19 JA |
45 | |
46 | #define PAGE_ALIGN(buf) \ | |
29d610e1 | 47 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) |
ebac4655 JA |
48 | |
49 | int groupid = 0; | |
50 | int thread_number = 0; | |
9cedf167 JA |
51 | int nr_process = 0; |
52 | int nr_thread = 0; | |
ebac4655 | 53 | int shm_id = 0; |
53cdc686 | 54 | int temp_stall_ts; |
d3eeeabc | 55 | unsigned long done_secs = 0; |
ebac4655 | 56 | |
cdd18ad8 | 57 | static struct fio_mutex *startup_mutex; |
d2bbb8d9 | 58 | static struct fio_mutex *writeout_mutex; |
6ce15a32 | 59 | static volatile int fio_abort; |
437c9b71 | 60 | static int exit_value; |
ccb0fa24 | 61 | static struct itimerval itimer; |
be4ecfdf | 62 | static pthread_t gtod_thread; |
ebac4655 | 63 | |
bb3884d8 JA |
64 | struct io_log *agg_io_log[2]; |
65 | ||
ebac4655 | 66 | #define TERMINATE_ALL (-1) |
75154845 | 67 | #define JOB_START_TIMEOUT (5 * 1000) |
ebac4655 | 68 | |
b29ee5b3 | 69 | void td_set_runstate(struct thread_data *td, int runstate) |
6ce15a32 | 70 | { |
d8fab1b6 JA |
71 | if (td->runstate == runstate) |
72 | return; | |
73 | ||
5921e80c JA |
74 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
75 | td->runstate, runstate); | |
6ce15a32 JA |
76 | td->runstate = runstate; |
77 | } | |
78 | ||
390c40e2 | 79 | static void terminate_threads(int group_id) |
ebac4655 | 80 | { |
34572e28 | 81 | struct thread_data *td; |
ebac4655 JA |
82 | int i; |
83 | ||
6f88bcb0 JA |
84 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
85 | ||
34572e28 | 86 | for_each_td(td, i) { |
ebac4655 | 87 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
6f88bcb0 | 88 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
5921e80c | 89 | td->o.name, (int) td->pid); |
ad830ed7 JA |
90 | td->terminate = 1; |
91 | td->o.start_delay = 0; | |
92 | ||
7a93ab19 JA |
93 | /* |
94 | * if the thread is running, just let it exit | |
95 | */ | |
96 | if (td->runstate < TD_RUNNING) | |
c1302d44 | 97 | kill(td->pid, SIGQUIT); |
f63f7f3b JA |
98 | else { |
99 | struct ioengine_ops *ops = td->io_ops; | |
100 | ||
101 | if (ops && (ops->flags & FIO_SIGQUIT)) | |
102 | kill(td->pid, SIGQUIT); | |
103 | } | |
ebac4655 JA |
104 | } |
105 | } | |
106 | } | |
107 | ||
ccb0fa24 JA |
108 | static void status_timer_arm(void) |
109 | { | |
110 | itimer.it_value.tv_sec = 0; | |
111 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
112 | setitimer(ITIMER_REAL, &itimer, NULL); | |
113 | } | |
114 | ||
02444ad1 | 115 | static void sig_alrm(int fio_unused sig) |
ebac4655 | 116 | { |
697a606c | 117 | if (threads) { |
5ec10eaa | 118 | update_io_ticks(); |
5ec10eaa | 119 | print_thread_status(); |
ccb0fa24 | 120 | status_timer_arm(); |
697a606c JA |
121 | } |
122 | } | |
123 | ||
5f8f9726 JA |
124 | /* |
125 | * Happens on thread runs with ctrl-c, ignore our own SIGQUIT | |
126 | */ | |
127 | static void sig_quit(int sig) | |
128 | { | |
129 | } | |
130 | ||
697a606c JA |
131 | static void sig_int(int sig) |
132 | { | |
133 | if (threads) { | |
5ec10eaa JA |
134 | printf("\nfio: terminating on signal %d\n", sig); |
135 | fflush(stdout); | |
136 | terminate_threads(TERMINATE_ALL); | |
ebac4655 JA |
137 | } |
138 | } | |
139 | ||
02444ad1 | 140 | static void sig_ill(int fio_unused sig) |
de79c915 JA |
141 | { |
142 | if (!threads) | |
143 | return; | |
144 | ||
145 | log_err("fio: illegal instruction. your cpu does not support " | |
146 | "the sse4.2 instruction for crc32c\n"); | |
147 | terminate_threads(TERMINATE_ALL); | |
148 | exit(4); | |
149 | } | |
150 | ||
697a606c JA |
151 | static void set_sig_handlers(void) |
152 | { | |
153 | struct sigaction act; | |
154 | ||
155 | memset(&act, 0, sizeof(act)); | |
156 | act.sa_handler = sig_alrm; | |
157 | act.sa_flags = SA_RESTART; | |
158 | sigaction(SIGALRM, &act, NULL); | |
159 | ||
160 | memset(&act, 0, sizeof(act)); | |
161 | act.sa_handler = sig_int; | |
162 | act.sa_flags = SA_RESTART; | |
163 | sigaction(SIGINT, &act, NULL); | |
de79c915 JA |
164 | |
165 | memset(&act, 0, sizeof(act)); | |
166 | act.sa_handler = sig_ill; | |
167 | act.sa_flags = SA_RESTART; | |
168 | sigaction(SIGILL, &act, NULL); | |
5f8f9726 JA |
169 | |
170 | memset(&act, 0, sizeof(act)); | |
171 | act.sa_handler = sig_quit; | |
172 | act.sa_flags = SA_RESTART; | |
173 | sigaction(SIGQUIT, &act, NULL); | |
697a606c JA |
174 | } |
175 | ||
906c8d75 JA |
176 | /* |
177 | * Check if we are above the minimum rate given. | |
178 | */ | |
581e7141 JA |
179 | static int __check_min_rate(struct thread_data *td, struct timeval *now, |
180 | enum td_ddir ddir) | |
ebac4655 | 181 | { |
0904200b | 182 | unsigned long long bytes = 0; |
4e991c23 | 183 | unsigned long iops = 0; |
ebac4655 JA |
184 | unsigned long spent; |
185 | unsigned long rate; | |
581e7141 JA |
186 | unsigned int ratemin = 0; |
187 | unsigned int rate_iops = 0; | |
188 | unsigned int rate_iops_min = 0; | |
ebac4655 | 189 | |
d982d873 JA |
190 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) |
191 | return 0; | |
192 | ||
ebac4655 JA |
193 | /* |
194 | * allow a 2 second settle period in the beginning | |
195 | */ | |
196 | if (mtime_since(&td->start, now) < 2000) | |
197 | return 0; | |
198 | ||
581e7141 JA |
199 | iops += td->io_blocks[ddir]; |
200 | bytes += td->this_io_bytes[ddir]; | |
201 | ratemin += td->o.ratemin[ddir]; | |
202 | rate_iops += td->o.rate_iops[ddir]; | |
203 | rate_iops_min += td->o.rate_iops_min[ddir]; | |
0904200b | 204 | |
ebac4655 JA |
205 | /* |
206 | * if rate blocks is set, sample is running | |
207 | */ | |
581e7141 JA |
208 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
209 | spent = mtime_since(&td->lastrate[ddir], now); | |
2dc1bbeb | 210 | if (spent < td->o.ratecycle) |
ebac4655 JA |
211 | return 0; |
212 | ||
581e7141 | 213 | if (td->o.rate[ddir]) { |
4e991c23 JA |
214 | /* |
215 | * check bandwidth specified rate | |
216 | */ | |
581e7141 | 217 | if (bytes < td->rate_bytes[ddir]) { |
5ec10eaa | 218 | log_err("%s: min rate %u not met\n", td->o.name, |
581e7141 | 219 | ratemin); |
4e991c23 JA |
220 | return 1; |
221 | } else { | |
581e7141 JA |
222 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
223 | if (rate < ratemin || | |
224 | bytes < td->rate_bytes[ddir]) { | |
5ec10eaa | 225 | log_err("%s: min rate %u not met, got" |
b22989b9 | 226 | " %luKB/sec\n", td->o.name, |
581e7141 | 227 | ratemin, rate); |
4e991c23 JA |
228 | return 1; |
229 | } | |
230 | } | |
413dd459 | 231 | } else { |
4e991c23 JA |
232 | /* |
233 | * checks iops specified rate | |
234 | */ | |
581e7141 | 235 | if (iops < rate_iops) { |
5ec10eaa | 236 | log_err("%s: min iops rate %u not met\n", |
581e7141 | 237 | td->o.name, rate_iops); |
413dd459 | 238 | return 1; |
4e991c23 | 239 | } else { |
581e7141 JA |
240 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
241 | if (rate < rate_iops_min || | |
242 | iops < td->rate_blocks[ddir]) { | |
5ec10eaa JA |
243 | log_err("%s: min iops rate %u not met," |
244 | " got %lu\n", td->o.name, | |
581e7141 | 245 | rate_iops_min, rate); |
4e991c23 | 246 | } |
413dd459 | 247 | } |
ebac4655 JA |
248 | } |
249 | } | |
250 | ||
581e7141 JA |
251 | td->rate_bytes[ddir] = bytes; |
252 | td->rate_blocks[ddir] = iops; | |
253 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); | |
ebac4655 JA |
254 | return 0; |
255 | } | |
256 | ||
581e7141 JA |
257 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
258 | unsigned long *bytes_done) | |
259 | { | |
260 | int ret = 0; | |
261 | ||
262 | if (bytes_done[0]) | |
263 | ret |= __check_min_rate(td, now, 0); | |
264 | if (bytes_done[1]) | |
265 | ret |= __check_min_rate(td, now, 1); | |
266 | ||
267 | return ret; | |
268 | } | |
269 | ||
ebac4655 JA |
270 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
271 | { | |
2dc1bbeb | 272 | if (!td->o.timeout) |
ebac4655 | 273 | return 0; |
2dc1bbeb | 274 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
ebac4655 JA |
275 | return 1; |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
906c8d75 JA |
280 | /* |
281 | * When job exits, we can cancel the in-flight IO if we are using async | |
282 | * io. Attempt to do so. | |
283 | */ | |
ebac4655 JA |
284 | static void cleanup_pending_aio(struct thread_data *td) |
285 | { | |
01743ee1 | 286 | struct flist_head *entry, *n; |
ebac4655 JA |
287 | struct io_u *io_u; |
288 | int r; | |
289 | ||
290 | /* | |
291 | * get immediately available events, if any | |
292 | */ | |
581e7141 | 293 | r = io_u_queued_complete(td, 0, NULL); |
b2fdda43 JA |
294 | if (r < 0) |
295 | return; | |
ebac4655 JA |
296 | |
297 | /* | |
298 | * now cancel remaining active events | |
299 | */ | |
2866c82d | 300 | if (td->io_ops->cancel) { |
01743ee1 JA |
301 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
302 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 303 | |
0c6e7517 JA |
304 | /* |
305 | * if the io_u isn't in flight, then that generally | |
306 | * means someone leaked an io_u. complain but fix | |
307 | * it up, so we don't stall here. | |
308 | */ | |
309 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
310 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 311 | put_io_u(td, io_u); |
0c6e7517 JA |
312 | } else { |
313 | r = td->io_ops->cancel(td, io_u); | |
314 | if (!r) | |
315 | put_io_u(td, io_u); | |
316 | } | |
ebac4655 JA |
317 | } |
318 | } | |
319 | ||
97601024 | 320 | if (td->cur_depth) |
581e7141 | 321 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
ebac4655 JA |
322 | } |
323 | ||
858a3d47 JA |
324 | /* |
325 | * Helper to handle the final sync of a file. Works just like the normal | |
326 | * io path, just does everything sync. | |
327 | */ | |
328 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
329 | { | |
330 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
331 | int ret; |
332 | ||
333 | if (!io_u) | |
334 | return 1; | |
335 | ||
336 | io_u->ddir = DDIR_SYNC; | |
337 | io_u->file = f; | |
338 | ||
339 | if (td_io_prep(td, io_u)) { | |
340 | put_io_u(td, io_u); | |
341 | return 1; | |
342 | } | |
343 | ||
755200a3 | 344 | requeue: |
858a3d47 | 345 | ret = td_io_queue(td, io_u); |
36167d82 | 346 | if (ret < 0) { |
e1161c32 | 347 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 348 | put_io_u(td, io_u); |
858a3d47 | 349 | return 1; |
36167d82 | 350 | } else if (ret == FIO_Q_QUEUED) { |
581e7141 | 351 | if (io_u_queued_complete(td, 1, NULL) < 0) |
36167d82 | 352 | return 1; |
36167d82 JA |
353 | } else if (ret == FIO_Q_COMPLETED) { |
354 | if (io_u->error) { | |
e1161c32 | 355 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
356 | return 1; |
357 | } | |
858a3d47 | 358 | |
581e7141 | 359 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
b2fdda43 | 360 | return 1; |
755200a3 JA |
361 | } else if (ret == FIO_Q_BUSY) { |
362 | if (td_io_commit(td)) | |
363 | return 1; | |
364 | goto requeue; | |
858a3d47 JA |
365 | } |
366 | ||
367 | return 0; | |
368 | } | |
369 | ||
993bf48b JA |
370 | static inline void update_tv_cache(struct thread_data *td) |
371 | { | |
372 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) | |
373 | fio_gettime(&td->tv_cache, NULL); | |
374 | } | |
375 | ||
f2bba182 RR |
376 | static int break_on_this_error(struct thread_data *td, int *retptr) |
377 | { | |
378 | int ret = *retptr; | |
379 | ||
380 | if (ret < 0 || td->error) { | |
381 | int err; | |
382 | ||
1ec99eea JA |
383 | if (!td->o.continue_on_error) |
384 | return 1; | |
f2bba182 RR |
385 | |
386 | if (ret < 0) | |
387 | err = -ret; | |
388 | else | |
389 | err = td->error; | |
390 | ||
f2bba182 RR |
391 | if (td_non_fatal_error(err)) { |
392 | /* | |
393 | * Continue with the I/Os in case of | |
394 | * a non fatal error. | |
395 | */ | |
8a4f8a24 | 396 | update_error_count(td, err); |
f2bba182 RR |
397 | td_clear_error(td); |
398 | *retptr = 0; | |
399 | return 0; | |
8a4f8a24 RR |
400 | } else if (td->o.fill_device && err == ENOSPC) { |
401 | /* | |
402 | * We expect to hit this error if | |
403 | * fill_device option is set. | |
404 | */ | |
405 | td_clear_error(td); | |
406 | td->terminate = 1; | |
407 | return 1; | |
f2bba182 RR |
408 | } else { |
409 | /* | |
410 | * Stop the I/O in case of a fatal | |
411 | * error. | |
412 | */ | |
8a4f8a24 | 413 | update_error_count(td, err); |
f2bba182 RR |
414 | return 1; |
415 | } | |
416 | } | |
417 | ||
418 | return 0; | |
419 | } | |
420 | ||
906c8d75 | 421 | /* |
34403fb1 | 422 | * The main verify engine. Runs over the writes we previously submitted, |
906c8d75 JA |
423 | * reads the blocks back in, and checks the crc/md5 of the data. |
424 | */ | |
1e97cce9 | 425 | static void do_verify(struct thread_data *td) |
ebac4655 | 426 | { |
53cdc686 | 427 | struct fio_file *f; |
36167d82 | 428 | struct io_u *io_u; |
af52b345 JA |
429 | int ret, min_events; |
430 | unsigned int i; | |
e5b401d4 JA |
431 | |
432 | /* | |
433 | * sync io first and invalidate cache, to make sure we really | |
434 | * read from disk. | |
435 | */ | |
436 | for_each_file(td, f, i) { | |
d6aed795 | 437 | if (!fio_file_open(f)) |
3d7b485f | 438 | continue; |
b2fdda43 JA |
439 | if (fio_io_sync(td, f)) |
440 | break; | |
441 | if (file_invalidate_cache(td, f)) | |
442 | break; | |
e5b401d4 | 443 | } |
ebac4655 | 444 | |
b2fdda43 JA |
445 | if (td->error) |
446 | return; | |
447 | ||
ebac4655 JA |
448 | td_set_runstate(td, TD_VERIFYING); |
449 | ||
36167d82 JA |
450 | io_u = NULL; |
451 | while (!td->terminate) { | |
4950421a | 452 | int ret2, full; |
5451792e | 453 | |
993bf48b JA |
454 | update_tv_cache(td); |
455 | ||
456 | if (runtime_exceeded(td, &td->tv_cache)) { | |
90a87d4b | 457 | td->terminate = 1; |
02bcaa8c | 458 | break; |
069c2918 | 459 | } |
02bcaa8c | 460 | |
dcb4830d RR |
461 | io_u = __get_io_u(td); |
462 | if (!io_u) | |
463 | break; | |
464 | ||
069c2918 JA |
465 | if (get_next_verify(td, io_u)) { |
466 | put_io_u(td, io_u); | |
ebac4655 | 467 | break; |
069c2918 | 468 | } |
ebac4655 | 469 | |
069c2918 JA |
470 | if (td_io_prep(td, io_u)) { |
471 | put_io_u(td, io_u); | |
53cdc686 | 472 | break; |
069c2918 | 473 | } |
d7762cf8 | 474 | |
e8462bd8 JA |
475 | if (td->o.verify_async) |
476 | io_u->end_io = verify_io_u_async; | |
477 | else | |
478 | io_u->end_io = verify_io_u; | |
53cdc686 | 479 | |
11786802 | 480 | ret = td_io_queue(td, io_u); |
36167d82 JA |
481 | switch (ret) { |
482 | case FIO_Q_COMPLETED: | |
f2bba182 | 483 | if (io_u->error) { |
22819ec2 | 484 | ret = -io_u->error; |
f2bba182 RR |
485 | clear_io_u(td, io_u); |
486 | } else if (io_u->resid) { | |
36167d82 | 487 | int bytes = io_u->xfer_buflen - io_u->resid; |
d460eb31 | 488 | struct fio_file *f = io_u->file; |
ebac4655 | 489 | |
9e9d164e JA |
490 | /* |
491 | * zero read, fail | |
492 | */ | |
493 | if (!bytes) { | |
41d9f0fd | 494 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
495 | put_io_u(td, io_u); |
496 | break; | |
497 | } | |
8400d9b2 | 498 | |
36167d82 JA |
499 | io_u->xfer_buflen = io_u->resid; |
500 | io_u->xfer_buf += bytes; | |
8400d9b2 JA |
501 | io_u->offset += bytes; |
502 | ||
30061b97 JA |
503 | td->ts.short_io_u[io_u->ddir]++; |
504 | ||
d460eb31 | 505 | if (io_u->offset == f->real_file_size) |
8400d9b2 JA |
506 | goto sync_done; |
507 | ||
11786802 JA |
508 | requeue_io_u(td, &io_u); |
509 | } else { | |
8400d9b2 | 510 | sync_done: |
581e7141 | 511 | ret = io_u_sync_complete(td, io_u, NULL); |
11786802 JA |
512 | if (ret < 0) |
513 | break; | |
36167d82 | 514 | } |
36167d82 JA |
515 | continue; |
516 | case FIO_Q_QUEUED: | |
517 | break; | |
755200a3 JA |
518 | case FIO_Q_BUSY: |
519 | requeue_io_u(td, &io_u); | |
5451792e JA |
520 | ret2 = td_io_commit(td); |
521 | if (ret2 < 0) | |
522 | ret = ret2; | |
755200a3 | 523 | break; |
36167d82 JA |
524 | default: |
525 | assert(ret < 0); | |
e1161c32 | 526 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
527 | break; |
528 | } | |
529 | ||
f2bba182 | 530 | if (break_on_this_error(td, &ret)) |
3af6ef39 JA |
531 | break; |
532 | ||
ebac4655 | 533 | /* |
3af6ef39 JA |
534 | * if we can queue more, do so. but check if there are |
535 | * completed io_u's first. | |
ebac4655 | 536 | */ |
4950421a JA |
537 | full = queue_full(td) || ret == FIO_Q_BUSY; |
538 | if (full || !td->o.iodepth_batch_complete) { | |
539 | min_events = td->o.iodepth_batch_complete; | |
540 | if (full && !min_events) | |
838bc709 | 541 | min_events = 1; |
e916b390 | 542 | |
4950421a JA |
543 | do { |
544 | /* | |
545 | * Reap required number of io units, if any, | |
546 | * and do the verification on them through | |
547 | * the callback handler | |
548 | */ | |
581e7141 | 549 | if (io_u_queued_complete(td, min_events, NULL) < 0) { |
4950421a JA |
550 | ret = -1; |
551 | break; | |
552 | } | |
553 | } while (full && (td->cur_depth > td->o.iodepth_low)); | |
554 | } | |
555 | if (ret < 0) | |
ebac4655 | 556 | break; |
36167d82 | 557 | } |
ebac4655 | 558 | |
c01c0395 JA |
559 | if (!td->error) { |
560 | min_events = td->cur_depth; | |
561 | ||
562 | if (min_events) | |
581e7141 | 563 | ret = io_u_queued_complete(td, min_events, NULL); |
c01c0395 | 564 | } else |
ebac4655 JA |
565 | cleanup_pending_aio(td); |
566 | ||
567 | td_set_runstate(td, TD_RUNNING); | |
568 | } | |
569 | ||
32cd46a0 | 570 | /* |
906c8d75 | 571 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
572 | * and reaps them, checking for rate and errors along the way. |
573 | */ | |
ebac4655 JA |
574 | static void do_io(struct thread_data *td) |
575 | { | |
af52b345 JA |
576 | unsigned int i; |
577 | int ret = 0; | |
ebac4655 | 578 | |
b29ee5b3 JA |
579 | if (in_ramp_time(td)) |
580 | td_set_runstate(td, TD_RAMP); | |
581 | else | |
582 | td_set_runstate(td, TD_RUNNING); | |
5853e5a8 | 583 | |
7bb48f84 | 584 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) { |
97601024 | 585 | struct timeval comp_time; |
581e7141 | 586 | unsigned long bytes_done[2] = { 0, 0 }; |
84585003 | 587 | int min_evts = 0; |
ebac4655 | 588 | struct io_u *io_u; |
4950421a | 589 | int ret2, full; |
ebac4655 JA |
590 | |
591 | if (td->terminate) | |
592 | break; | |
593 | ||
993bf48b | 594 | update_tv_cache(td); |
97601024 | 595 | |
993bf48b | 596 | if (runtime_exceeded(td, &td->tv_cache)) { |
90a87d4b | 597 | td->terminate = 1; |
97601024 JA |
598 | break; |
599 | } | |
36167d82 | 600 | |
dcb4830d RR |
601 | io_u = get_io_u(td); |
602 | if (!io_u) | |
603 | break; | |
604 | ||
b67740d3 JA |
605 | /* |
606 | * Add verification end_io handler, if asked to verify | |
607 | * a previously written file. | |
608 | */ | |
cc3fc855 | 609 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ) { |
e8462bd8 JA |
610 | if (td->o.verify_async) |
611 | io_u->end_io = verify_io_u_async; | |
612 | else | |
613 | io_u->end_io = verify_io_u; | |
d8fab1b6 | 614 | td_set_runstate(td, TD_VERIFYING); |
b29ee5b3 JA |
615 | } else if (in_ramp_time(td)) |
616 | td_set_runstate(td, TD_RAMP); | |
617 | else | |
d8fab1b6 | 618 | td_set_runstate(td, TD_RUNNING); |
b67740d3 | 619 | |
11786802 | 620 | ret = td_io_queue(td, io_u); |
36167d82 JA |
621 | switch (ret) { |
622 | case FIO_Q_COMPLETED: | |
f2bba182 | 623 | if (io_u->error) { |
5451792e | 624 | ret = -io_u->error; |
f2bba182 RR |
625 | clear_io_u(td, io_u); |
626 | } else if (io_u->resid) { | |
36167d82 | 627 | int bytes = io_u->xfer_buflen - io_u->resid; |
d460eb31 | 628 | struct fio_file *f = io_u->file; |
36167d82 | 629 | |
9e9d164e JA |
630 | /* |
631 | * zero read, fail | |
632 | */ | |
633 | if (!bytes) { | |
41d9f0fd | 634 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
635 | put_io_u(td, io_u); |
636 | break; | |
637 | } | |
638 | ||
cec6b55d | 639 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 640 | io_u->xfer_buf += bytes; |
5a7c5680 JA |
641 | io_u->offset += bytes; |
642 | ||
30061b97 JA |
643 | td->ts.short_io_u[io_u->ddir]++; |
644 | ||
d460eb31 | 645 | if (io_u->offset == f->real_file_size) |
5a7c5680 JA |
646 | goto sync_done; |
647 | ||
11786802 JA |
648 | requeue_io_u(td, &io_u); |
649 | } else { | |
5a7c5680 | 650 | sync_done: |
581e7141 JA |
651 | if (__should_check_rate(td, 0) || |
652 | __should_check_rate(td, 1)) | |
993bf48b JA |
653 | fio_gettime(&comp_time, NULL); |
654 | ||
581e7141 JA |
655 | ret = io_u_sync_complete(td, io_u, bytes_done); |
656 | if (ret < 0) | |
657 | break; | |
cec6b55d | 658 | } |
36167d82 JA |
659 | break; |
660 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
661 | /* |
662 | * if the engine doesn't have a commit hook, | |
663 | * the io_u is really queued. if it does have such | |
664 | * a hook, it has to call io_u_queued() itself. | |
665 | */ | |
666 | if (td->io_ops->commit == NULL) | |
667 | io_u_queued(td, io_u); | |
36167d82 | 668 | break; |
755200a3 JA |
669 | case FIO_Q_BUSY: |
670 | requeue_io_u(td, &io_u); | |
5451792e JA |
671 | ret2 = td_io_commit(td); |
672 | if (ret2 < 0) | |
673 | ret = ret2; | |
755200a3 | 674 | break; |
36167d82 JA |
675 | default: |
676 | assert(ret < 0); | |
677 | put_io_u(td, io_u); | |
678 | break; | |
ebac4655 JA |
679 | } |
680 | ||
f2bba182 | 681 | if (break_on_this_error(td, &ret)) |
36167d82 JA |
682 | break; |
683 | ||
97601024 JA |
684 | /* |
685 | * See if we need to complete some commands | |
686 | */ | |
4950421a JA |
687 | full = queue_full(td) || ret == FIO_Q_BUSY; |
688 | if (full || !td->o.iodepth_batch_complete) { | |
689 | min_evts = td->o.iodepth_batch_complete; | |
690 | if (full && !min_evts) | |
36167d82 | 691 | min_evts = 1; |
4950421a | 692 | |
581e7141 JA |
693 | if (__should_check_rate(td, 0) || |
694 | __should_check_rate(td, 1)) | |
993bf48b | 695 | fio_gettime(&comp_time, NULL); |
4950421a JA |
696 | |
697 | do { | |
581e7141 JA |
698 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
699 | if (ret < 0) | |
4950421a JA |
700 | break; |
701 | ||
4950421a | 702 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
ebac4655 JA |
703 | } |
704 | ||
4950421a JA |
705 | if (ret < 0) |
706 | break; | |
581e7141 | 707 | if (!(bytes_done[0] + bytes_done[1])) |
97601024 JA |
708 | continue; |
709 | ||
581e7141 JA |
710 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
711 | if (check_min_rate(td, &comp_time, bytes_done)) { | |
721938ae JA |
712 | if (exitall_on_terminate) |
713 | terminate_threads(td->groupid); | |
714 | td_verror(td, EIO, "check_min_rate"); | |
715 | break; | |
716 | } | |
ebac4655 JA |
717 | } |
718 | ||
2dc1bbeb | 719 | if (td->o.thinktime) { |
9c1f7434 JA |
720 | unsigned long long b; |
721 | ||
722 | b = td->io_blocks[0] + td->io_blocks[1]; | |
2dc1bbeb | 723 | if (!(b % td->o.thinktime_blocks)) { |
48097d5c JA |
724 | int left; |
725 | ||
2dc1bbeb | 726 | if (td->o.thinktime_spin) |
6dd6f2cd | 727 | usec_spin(td->o.thinktime_spin); |
48097d5c | 728 | |
2dc1bbeb | 729 | left = td->o.thinktime - td->o.thinktime_spin; |
48097d5c JA |
730 | if (left) |
731 | usec_sleep(td, left); | |
732 | } | |
9c1f7434 | 733 | } |
ebac4655 JA |
734 | } |
735 | ||
aa31f1f1 SL |
736 | if (td->o.fill_device && td->error == ENOSPC) { |
737 | td->error = 0; | |
738 | td->terminate = 1; | |
739 | } | |
4d2413c6 | 740 | if (!td->error) { |
3d7c391d JA |
741 | struct fio_file *f; |
742 | ||
c01c0395 JA |
743 | i = td->cur_depth; |
744 | if (i) | |
581e7141 | 745 | ret = io_u_queued_complete(td, i, NULL); |
ebac4655 | 746 | |
2dc1bbeb | 747 | if (should_fsync(td) && td->o.end_fsync) { |
84585003 | 748 | td_set_runstate(td, TD_FSYNCING); |
3d7b485f JA |
749 | |
750 | for_each_file(td, f, i) { | |
d6aed795 | 751 | if (!fio_file_open(f)) |
3d7b485f | 752 | continue; |
858a3d47 | 753 | fio_io_sync(td, f); |
3d7b485f | 754 | } |
84585003 | 755 | } |
c01c0395 JA |
756 | } else |
757 | cleanup_pending_aio(td); | |
2ba1c290 JA |
758 | |
759 | /* | |
760 | * stop job if we failed doing any IO | |
761 | */ | |
762 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) | |
763 | td->done = 1; | |
ebac4655 JA |
764 | } |
765 | ||
ebac4655 JA |
766 | static void cleanup_io_u(struct thread_data *td) |
767 | { | |
01743ee1 | 768 | struct flist_head *entry, *n; |
ebac4655 JA |
769 | struct io_u *io_u; |
770 | ||
01743ee1 JA |
771 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
772 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 773 | |
01743ee1 | 774 | flist_del(&io_u->list); |
ebac4655 JA |
775 | free(io_u); |
776 | } | |
777 | ||
2f9ade3c | 778 | free_io_mem(td); |
ebac4655 JA |
779 | } |
780 | ||
781 | static int init_io_u(struct thread_data *td) | |
782 | { | |
783 | struct io_u *io_u; | |
a00735e6 | 784 | unsigned int max_bs; |
eb7ccf38 | 785 | int cl_align, i, max_units; |
ebac4655 JA |
786 | char *p; |
787 | ||
1e3c09af | 788 | max_units = td->o.iodepth; |
2dc1bbeb | 789 | max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]); |
5ec10eaa JA |
790 | td->orig_buffer_size = (unsigned long long) max_bs |
791 | * (unsigned long long) max_units; | |
792 | ||
793 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { | |
794 | unsigned long bs; | |
74b025b0 | 795 | |
5ec10eaa JA |
796 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
797 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); | |
798 | } | |
ebac4655 | 799 | |
c3990645 JA |
800 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
801 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); | |
802 | return 1; | |
803 | } | |
804 | ||
2f9ade3c JA |
805 | if (allocate_io_mem(td)) |
806 | return 1; | |
ebac4655 | 807 | |
fc966bef | 808 | if (td->o.odirect || td->o.mem_align) |
d529ee19 | 809 | p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align; |
b3f378e9 JA |
810 | else |
811 | p = td->orig_buffer; | |
812 | ||
eb7ccf38 JA |
813 | cl_align = os_cache_line_size(); |
814 | ||
ebac4655 | 815 | for (i = 0; i < max_units; i++) { |
eb7ccf38 JA |
816 | void *ptr; |
817 | ||
db1cd90b JA |
818 | if (td->terminate) |
819 | return 1; | |
eb7ccf38 JA |
820 | |
821 | if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) { | |
822 | log_err("fio: posix_memalign=%s\n", strerror(errno)); | |
823 | break; | |
824 | } | |
825 | ||
826 | io_u = ptr; | |
ebac4655 | 827 | memset(io_u, 0, sizeof(*io_u)); |
01743ee1 | 828 | INIT_FLIST_HEAD(&io_u->list); |
d529ee19 | 829 | dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i); |
ebac4655 | 830 | |
b4c5e1ac JA |
831 | if (!(td->io_ops->flags & FIO_NOIO)) { |
832 | io_u->buf = p + max_bs * i; | |
d529ee19 | 833 | dprint(FD_MEM, "io_u %p, mem %p\n", io_u, io_u->buf); |
e9459e5a | 834 | |
5973cafb JA |
835 | if (td_write(td) && !td->o.refill_buffers) |
836 | io_u_fill_buffer(td, io_u, max_bs); | |
b4c5e1ac | 837 | } |
6b9cea23 | 838 | |
b1ff3403 | 839 | io_u->index = i; |
0c6e7517 | 840 | io_u->flags = IO_U_F_FREE; |
01743ee1 | 841 | flist_add(&io_u->list, &td->io_u_freelist); |
ebac4655 JA |
842 | } |
843 | ||
844 | return 0; | |
845 | } | |
846 | ||
da86774e JA |
847 | static int switch_ioscheduler(struct thread_data *td) |
848 | { | |
849 | char tmp[256], tmp2[128]; | |
850 | FILE *f; | |
851 | int ret; | |
852 | ||
ba0fbe10 | 853 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
854 | return 0; |
855 | ||
da86774e JA |
856 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
857 | ||
858 | f = fopen(tmp, "r+"); | |
859 | if (!f) { | |
cbf5c1d7 | 860 | if (errno == ENOENT) { |
5ec10eaa JA |
861 | log_err("fio: os or kernel doesn't support IO scheduler" |
862 | " switching\n"); | |
cbf5c1d7 JA |
863 | return 0; |
864 | } | |
865 | td_verror(td, errno, "fopen iosched"); | |
da86774e JA |
866 | return 1; |
867 | } | |
868 | ||
869 | /* | |
870 | * Set io scheduler. | |
871 | */ | |
2dc1bbeb | 872 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
da86774e | 873 | if (ferror(f) || ret != 1) { |
e1161c32 | 874 | td_verror(td, errno, "fwrite"); |
da86774e JA |
875 | fclose(f); |
876 | return 1; | |
877 | } | |
878 | ||
879 | rewind(f); | |
880 | ||
881 | /* | |
882 | * Read back and check that the selected scheduler is now the default. | |
883 | */ | |
884 | ret = fread(tmp, 1, sizeof(tmp), f); | |
885 | if (ferror(f) || ret < 0) { | |
e1161c32 | 886 | td_verror(td, errno, "fread"); |
da86774e JA |
887 | fclose(f); |
888 | return 1; | |
889 | } | |
890 | ||
2dc1bbeb | 891 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
da86774e | 892 | if (!strstr(tmp, tmp2)) { |
2dc1bbeb | 893 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
e1161c32 | 894 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
895 | fclose(f); |
896 | return 1; | |
897 | } | |
898 | ||
899 | fclose(f); | |
900 | return 0; | |
901 | } | |
902 | ||
492158cf JA |
903 | static int keep_running(struct thread_data *td) |
904 | { | |
905 | unsigned long long io_done; | |
906 | ||
20e354ef JA |
907 | if (td->done) |
908 | return 0; | |
492158cf JA |
909 | if (td->o.time_based) |
910 | return 1; | |
911 | if (td->o.loops) { | |
912 | td->o.loops--; | |
913 | return 1; | |
914 | } | |
915 | ||
5ec10eaa JA |
916 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
917 | + td->io_skip_bytes; | |
492158cf JA |
918 | if (io_done < td->o.size) |
919 | return 1; | |
920 | ||
921 | return 0; | |
922 | } | |
923 | ||
b29ee5b3 | 924 | static void reset_io_counters(struct thread_data *td) |
ebac4655 | 925 | { |
756867bd | 926 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 927 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 928 | td->zone_bytes = 0; |
581e7141 JA |
929 | td->rate_bytes[0] = td->rate_bytes[1] = 0; |
930 | td->rate_blocks[0] = td->rate_blocks[1] = 0; | |
ebac4655 | 931 | |
c1324df1 JA |
932 | td->last_was_sync = 0; |
933 | ||
2ba1c290 JA |
934 | /* |
935 | * reset file done count if we are to start over | |
936 | */ | |
937 | if (td->o.time_based || td->o.loops) | |
48f5abd3 | 938 | td->nr_done_files = 0; |
5bfc35d7 JA |
939 | |
940 | /* | |
941 | * Set the same seed to get repeatable runs | |
942 | */ | |
943 | td_fill_rand_seeds(td); | |
b29ee5b3 JA |
944 | } |
945 | ||
946 | void reset_all_stats(struct thread_data *td) | |
947 | { | |
948 | struct timeval tv; | |
949 | int i; | |
950 | ||
951 | reset_io_counters(td); | |
952 | ||
953 | for (i = 0; i < 2; i++) { | |
954 | td->io_bytes[i] = 0; | |
955 | td->io_blocks[i] = 0; | |
956 | td->io_issues[i] = 0; | |
957 | td->ts.total_io_u[i] = 0; | |
958 | } | |
959 | ||
960 | fio_gettime(&tv, NULL); | |
961 | memcpy(&td->epoch, &tv, sizeof(tv)); | |
962 | memcpy(&td->start, &tv, sizeof(tv)); | |
963 | } | |
964 | ||
df9c26b1 | 965 | static void clear_io_state(struct thread_data *td) |
b29ee5b3 JA |
966 | { |
967 | struct fio_file *f; | |
968 | unsigned int i; | |
b29ee5b3 JA |
969 | |
970 | reset_io_counters(td); | |
281f9b63 | 971 | |
24ffd2c2 | 972 | close_files(td); |
df9c26b1 | 973 | for_each_file(td, f, i) |
d6aed795 | 974 | fio_file_clear_done(f); |
ebac4655 JA |
975 | } |
976 | ||
398e8c4d JA |
977 | static int exec_string(const char *string) |
978 | { | |
979 | int ret, newlen = strlen(string) + 1 + 8; | |
980 | char *str; | |
981 | ||
982 | str = malloc(newlen); | |
983 | sprintf(str, "sh -c %s", string); | |
984 | ||
985 | ret = system(str); | |
986 | if (ret == -1) | |
987 | log_err("fio: exec of cmd <%s> failed\n", str); | |
988 | ||
989 | free(str); | |
990 | return ret; | |
991 | } | |
992 | ||
906c8d75 JA |
993 | /* |
994 | * Entry point for the thread based jobs. The process based jobs end up | |
995 | * here as well, after a little setup. | |
996 | */ | |
ebac4655 JA |
997 | static void *thread_main(void *data) |
998 | { | |
10927316 | 999 | unsigned long long runtime[2], elapsed; |
ebac4655 | 1000 | struct thread_data *td = data; |
e8462bd8 | 1001 | pthread_condattr_t attr; |
a978ba68 | 1002 | int clear_state; |
ebac4655 | 1003 | |
2dc1bbeb | 1004 | if (!td->o.use_thread) |
ebac4655 JA |
1005 | setsid(); |
1006 | ||
1007 | td->pid = getpid(); | |
1008 | ||
5921e80c | 1009 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
ee56ad50 | 1010 | |
01743ee1 JA |
1011 | INIT_FLIST_HEAD(&td->io_u_freelist); |
1012 | INIT_FLIST_HEAD(&td->io_u_busylist); | |
1013 | INIT_FLIST_HEAD(&td->io_u_requeues); | |
1014 | INIT_FLIST_HEAD(&td->io_log_list); | |
1015 | INIT_FLIST_HEAD(&td->io_hist_list); | |
e8462bd8 JA |
1016 | INIT_FLIST_HEAD(&td->verify_list); |
1017 | pthread_mutex_init(&td->io_u_lock, NULL); | |
bb5d7d0b | 1018 | td->io_hist_tree = RB_ROOT; |
aea47d44 | 1019 | |
e8462bd8 JA |
1020 | pthread_condattr_init(&attr); |
1021 | pthread_cond_init(&td->verify_cond, &attr); | |
1022 | pthread_cond_init(&td->free_cond, &attr); | |
1023 | ||
db1cd90b | 1024 | td_set_runstate(td, TD_INITIALIZED); |
29adda3c | 1025 | dprint(FD_MUTEX, "up startup_mutex\n"); |
cdd18ad8 | 1026 | fio_mutex_up(startup_mutex); |
29adda3c | 1027 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
cdd18ad8 | 1028 | fio_mutex_down(td->mutex); |
29adda3c | 1029 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
db1cd90b JA |
1030 | |
1031 | /* | |
cdd18ad8 | 1032 | * the ->mutex mutex is now no longer used, close it to avoid |
db1cd90b JA |
1033 | * eating a file descriptor |
1034 | */ | |
cdd18ad8 | 1035 | fio_mutex_remove(td->mutex); |
db1cd90b | 1036 | |
d84f8d49 JA |
1037 | /* |
1038 | * May alter parameters that init_io_u() will use, so we need to | |
1039 | * do this first. | |
1040 | */ | |
1041 | if (init_iolog(td)) | |
1042 | goto err; | |
1043 | ||
ebac4655 | 1044 | if (init_io_u(td)) |
db1cd90b | 1045 | goto err; |
ebac4655 | 1046 | |
e8462bd8 JA |
1047 | if (td->o.verify_async && verify_async_init(td)) |
1048 | goto err; | |
1049 | ||
1050 | if (td->o.cpumask_set && fio_setaffinity(td->pid, td->o.cpumask) == -1) { | |
e1161c32 | 1051 | td_verror(td, errno, "cpu_set_affinity"); |
db1cd90b | 1052 | goto err; |
ebac4655 JA |
1053 | } |
1054 | ||
f484470b JA |
1055 | /* |
1056 | * If we have a gettimeofday() thread, make sure we exclude that | |
1057 | * thread from this job | |
1058 | */ | |
be4ecfdf | 1059 | if (td->o.gtod_cpu) { |
be4ecfdf | 1060 | fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu); |
e8462bd8 | 1061 | if (fio_setaffinity(td->pid, td->o.cpumask) == -1) { |
be4ecfdf JA |
1062 | td_verror(td, errno, "cpu_set_affinity"); |
1063 | goto err; | |
1064 | } | |
1065 | } | |
1066 | ||
ac684785 | 1067 | if (td->ioprio_set) { |
ebac4655 | 1068 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
e1161c32 | 1069 | td_verror(td, errno, "ioprio_set"); |
db1cd90b | 1070 | goto err; |
ebac4655 JA |
1071 | } |
1072 | } | |
1073 | ||
2dc1bbeb | 1074 | if (nice(td->o.nice) == -1) { |
e1161c32 | 1075 | td_verror(td, errno, "nice"); |
db1cd90b | 1076 | goto err; |
b6f4d880 JA |
1077 | } |
1078 | ||
2dc1bbeb | 1079 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
db1cd90b | 1080 | goto err; |
37f56873 | 1081 | |
2dc1bbeb | 1082 | if (!td->o.create_serialize && setup_files(td)) |
ebac4655 JA |
1083 | goto err; |
1084 | ||
7d6c5283 JA |
1085 | if (td_io_init(td)) |
1086 | goto err; | |
1087 | ||
68727076 JA |
1088 | if (init_random_map(td)) |
1089 | goto err; | |
1090 | ||
2dc1bbeb | 1091 | if (td->o.exec_prerun) { |
398e8c4d | 1092 | if (exec_string(td->o.exec_prerun)) |
69cfd7e0 JA |
1093 | goto err; |
1094 | } | |
4e0ba8af | 1095 | |
afad68f7 ZY |
1096 | if (td->o.pre_read) { |
1097 | if (pre_read_files(td) < 0) | |
1098 | goto err; | |
1099 | } | |
1100 | ||
69008999 | 1101 | fio_gettime(&td->epoch, NULL); |
756867bd | 1102 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
1103 | |
1104 | runtime[0] = runtime[1] = 0; | |
a978ba68 | 1105 | clear_state = 0; |
492158cf | 1106 | while (keep_running(td)) { |
02bcaa8c | 1107 | fio_gettime(&td->start, NULL); |
c5d3d790 JA |
1108 | memcpy(&td->ts.stat_sample_time[0], &td->start, |
1109 | sizeof(td->start)); | |
1110 | memcpy(&td->ts.stat_sample_time[1], &td->start, | |
1111 | sizeof(td->start)); | |
993bf48b | 1112 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
ebac4655 | 1113 | |
cf2dd8d6 | 1114 | if (td->o.ratemin[0] || td->o.ratemin[1]) |
5ec10eaa JA |
1115 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
1116 | sizeof(td->lastrate)); | |
ebac4655 | 1117 | |
df9c26b1 JA |
1118 | if (clear_state) |
1119 | clear_io_state(td); | |
a978ba68 | 1120 | |
ebac4655 JA |
1121 | prune_io_piece_log(td); |
1122 | ||
ba0fbe10 | 1123 | do_io(td); |
ebac4655 | 1124 | |
a978ba68 JA |
1125 | clear_state = 1; |
1126 | ||
38d77cae | 1127 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
0a4957c6 | 1128 | elapsed = utime_since_now(&td->start); |
38d77cae JA |
1129 | runtime[DDIR_READ] += elapsed; |
1130 | } | |
1131 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { | |
0a4957c6 | 1132 | elapsed = utime_since_now(&td->start); |
38d77cae JA |
1133 | runtime[DDIR_WRITE] += elapsed; |
1134 | } | |
5ec10eaa | 1135 | |
ebac4655 JA |
1136 | if (td->error || td->terminate) |
1137 | break; | |
1138 | ||
e84c73a8 SL |
1139 | if (!td->o.do_verify || |
1140 | td->o.verify == VERIFY_NONE || | |
b67740d3 | 1141 | (td->io_ops->flags & FIO_UNIDIR)) |
ebac4655 JA |
1142 | continue; |
1143 | ||
df9c26b1 | 1144 | clear_io_state(td); |
a978ba68 | 1145 | |
02bcaa8c | 1146 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
1147 | |
1148 | do_verify(td); | |
1149 | ||
69008999 | 1150 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
1151 | |
1152 | if (td->error || td->terminate) | |
1153 | break; | |
1154 | } | |
1155 | ||
36dff966 | 1156 | update_rusage_stat(td); |
47f0cc48 YHJT |
1157 | td->ts.runtime[0] = (runtime[0] + 999) / 1000; |
1158 | td->ts.runtime[1] = (runtime[1] + 999) / 1000; | |
756867bd JA |
1159 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
1160 | td->ts.io_bytes[0] = td->io_bytes[0]; | |
1161 | td->ts.io_bytes[1] = td->io_bytes[1]; | |
1162 | ||
d2bbb8d9 | 1163 | fio_mutex_down(writeout_mutex); |
e3cedca7 | 1164 | if (td->ts.bw_log) { |
f484470b JA |
1165 | if (td->o.bw_log_file) { |
1166 | finish_log_named(td, td->ts.bw_log, | |
1167 | td->o.bw_log_file, "bw"); | |
1168 | } else | |
e3cedca7 JA |
1169 | finish_log(td, td->ts.bw_log, "bw"); |
1170 | } | |
1171 | if (td->ts.slat_log) { | |
f484470b JA |
1172 | if (td->o.lat_log_file) { |
1173 | finish_log_named(td, td->ts.slat_log, | |
1ca95738 | 1174 | td->o.lat_log_file, "slat"); |
f484470b | 1175 | } else |
e3cedca7 JA |
1176 | finish_log(td, td->ts.slat_log, "slat"); |
1177 | } | |
1178 | if (td->ts.clat_log) { | |
f484470b JA |
1179 | if (td->o.lat_log_file) { |
1180 | finish_log_named(td, td->ts.clat_log, | |
1181 | td->o.lat_log_file, "clat"); | |
1182 | } else | |
e3cedca7 JA |
1183 | finish_log(td, td->ts.clat_log, "clat"); |
1184 | } | |
d2bbb8d9 | 1185 | fio_mutex_up(writeout_mutex); |
398e8c4d JA |
1186 | if (td->o.exec_postrun) |
1187 | exec_string(td->o.exec_postrun); | |
ebac4655 JA |
1188 | |
1189 | if (exitall_on_terminate) | |
390c40e2 | 1190 | terminate_threads(td->groupid); |
ebac4655 JA |
1191 | |
1192 | err: | |
5bf13a5a | 1193 | if (td->error) |
5921e80c | 1194 | printf("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, |
5ec10eaa | 1195 | td->verror); |
24ffd2c2 | 1196 | close_and_free_files(td); |
2866c82d | 1197 | close_ioengine(td); |
ebac4655 | 1198 | cleanup_io_u(td); |
f29b25a3 | 1199 | |
d2ce18b5 JA |
1200 | if (td->o.cpumask_set) { |
1201 | int ret = fio_cpuset_exit(&td->o.cpumask); | |
1202 | ||
1203 | td_verror(td, ret, "fio_cpuset_exit"); | |
1204 | } | |
4e78e405 | 1205 | |
e8462bd8 JA |
1206 | if (td->o.verify_async) |
1207 | verify_async_exit(td); | |
1208 | ||
f29b25a3 JA |
1209 | /* |
1210 | * do this very late, it will log file closing as well | |
1211 | */ | |
1212 | if (td->o.write_iolog_file) | |
1213 | write_iolog_close(td); | |
1214 | ||
d23bb327 | 1215 | options_mem_free(td); |
ebac4655 | 1216 | td_set_runstate(td, TD_EXITED); |
43d76807 | 1217 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
1218 | } |
1219 | ||
906c8d75 JA |
1220 | /* |
1221 | * We cannot pass the td data into a forked process, so attach the td and | |
1222 | * pass it to the thread worker. | |
1223 | */ | |
a6418147 | 1224 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
1225 | { |
1226 | struct thread_data *td; | |
a6418147 | 1227 | void *data, *ret; |
ebac4655 JA |
1228 | |
1229 | data = shmat(shmid, NULL, 0); | |
1230 | if (data == (void *) -1) { | |
a6418147 JA |
1231 | int __err = errno; |
1232 | ||
ebac4655 | 1233 | perror("shmat"); |
a6418147 | 1234 | return __err; |
ebac4655 JA |
1235 | } |
1236 | ||
1237 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 1238 | ret = thread_main(td); |
ebac4655 | 1239 | shmdt(data); |
43d76807 | 1240 | return (int) (unsigned long) ret; |
ebac4655 JA |
1241 | } |
1242 | ||
906c8d75 JA |
1243 | /* |
1244 | * Run over the job map and reap the threads that have exited, if any. | |
1245 | */ | |
ebac4655 JA |
1246 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
1247 | { | |
34572e28 | 1248 | struct thread_data *td; |
1f809d15 | 1249 | int i, cputhreads, realthreads, pending, status, ret; |
ebac4655 JA |
1250 | |
1251 | /* | |
1252 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1253 | */ | |
1f809d15 | 1254 | realthreads = pending = cputhreads = 0; |
34572e28 | 1255 | for_each_td(td, i) { |
3707f45b | 1256 | int flags = 0; |
a2f77c9f | 1257 | |
84585003 JA |
1258 | /* |
1259 | * ->io_ops is NULL for a thread that has closed its | |
1260 | * io engine | |
1261 | */ | |
ba0fbe10 | 1262 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 | 1263 | cputhreads++; |
1f809d15 JA |
1264 | else |
1265 | realthreads++; | |
b990b5c0 | 1266 | |
a1dedc1f AC |
1267 | if (!td->pid) { |
1268 | pending++; | |
1269 | continue; | |
1270 | } | |
1271 | if (td->runstate == TD_REAPED) | |
a2f77c9f | 1272 | continue; |
2dc1bbeb | 1273 | if (td->o.use_thread) { |
3707f45b JA |
1274 | if (td->runstate == TD_EXITED) { |
1275 | td_set_runstate(td, TD_REAPED); | |
1276 | goto reaped; | |
1277 | } | |
1278 | continue; | |
1279 | } | |
a2f77c9f JA |
1280 | |
1281 | flags = WNOHANG; | |
1282 | if (td->runstate == TD_EXITED) | |
1283 | flags = 0; | |
1284 | ||
1285 | /* | |
1286 | * check if someone quit or got killed in an unusual way | |
1287 | */ | |
1288 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 1289 | if (ret < 0) { |
a2f77c9f | 1290 | if (errno == ECHILD) { |
5921e80c JA |
1291 | log_err("fio: pid=%d disappeared %d\n", |
1292 | (int) td->pid, td->runstate); | |
a2f77c9f JA |
1293 | td_set_runstate(td, TD_REAPED); |
1294 | goto reaped; | |
1295 | } | |
1296 | perror("waitpid"); | |
1297 | } else if (ret == td->pid) { | |
1298 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
1299 | int sig = WTERMSIG(status); |
1300 | ||
d9244941 | 1301 | if (sig != SIGQUIT) |
5ec10eaa | 1302 | log_err("fio: pid=%d, got signal=%d\n", |
5921e80c | 1303 | (int) td->pid, sig); |
fab6aa71 JA |
1304 | td_set_runstate(td, TD_REAPED); |
1305 | goto reaped; | |
1306 | } | |
a2f77c9f JA |
1307 | if (WIFEXITED(status)) { |
1308 | if (WEXITSTATUS(status) && !td->error) | |
1309 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 1310 | |
a2f77c9f JA |
1311 | td_set_runstate(td, TD_REAPED); |
1312 | goto reaped; | |
a6418147 JA |
1313 | } |
1314 | } | |
ebac4655 | 1315 | |
a2f77c9f JA |
1316 | /* |
1317 | * thread is not dead, continue | |
1318 | */ | |
e48676ba | 1319 | pending++; |
a2f77c9f | 1320 | continue; |
fab6aa71 | 1321 | reaped: |
ebac4655 | 1322 | (*nr_running)--; |
581e7141 JA |
1323 | (*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]); |
1324 | (*t_rate) -= (td->o.rate[0] + td->o.rate[1]); | |
6f88bcb0 JA |
1325 | if (!td->pid) |
1326 | pending--; | |
a2f77c9f JA |
1327 | |
1328 | if (td->error) | |
1329 | exit_value++; | |
d3eeeabc JA |
1330 | |
1331 | done_secs += mtime_since_now(&td->epoch) / 1000; | |
ebac4655 | 1332 | } |
b990b5c0 | 1333 | |
1f809d15 | 1334 | if (*nr_running == cputhreads && !pending && realthreads) |
390c40e2 | 1335 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
1336 | } |
1337 | ||
be4ecfdf JA |
1338 | static void *gtod_thread_main(void *data) |
1339 | { | |
1340 | fio_mutex_up(startup_mutex); | |
1341 | ||
1342 | /* | |
1343 | * As long as we have jobs around, update the clock. It would be nice | |
1344 | * to have some way of NOT hammering that CPU with gettimeofday(), | |
1345 | * but I'm not sure what to use outside of a simple CPU nop to relax | |
1346 | * it - we don't want to lose precision. | |
1347 | */ | |
1348 | while (threads) { | |
1349 | fio_gtod_update(); | |
1350 | nop; | |
1351 | } | |
1352 | ||
1353 | return NULL; | |
1354 | } | |
1355 | ||
1356 | static int fio_start_gtod_thread(void) | |
1357 | { | |
f42c153d JA |
1358 | int ret; |
1359 | ||
1360 | ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL); | |
1361 | if (ret) { | |
1362 | log_err("Can't create gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1363 | return 1; |
1364 | } | |
f42c153d JA |
1365 | |
1366 | ret = pthread_detach(gtod_thread); | |
1367 | if (ret) { | |
1368 | log_err("Can't detatch gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1369 | return 1; |
1370 | } | |
1371 | ||
29adda3c | 1372 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
be4ecfdf | 1373 | fio_mutex_down(startup_mutex); |
29adda3c | 1374 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
be4ecfdf JA |
1375 | return 0; |
1376 | } | |
1377 | ||
906c8d75 JA |
1378 | /* |
1379 | * Main function for kicking off and reaping jobs, as needed. | |
1380 | */ | |
ebac4655 JA |
1381 | static void run_threads(void) |
1382 | { | |
ebac4655 JA |
1383 | struct thread_data *td; |
1384 | unsigned long spent; | |
1385 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 1386 | |
2f9ade3c JA |
1387 | if (fio_pin_memory()) |
1388 | return; | |
ebac4655 | 1389 | |
be4ecfdf JA |
1390 | if (fio_gtod_offload && fio_start_gtod_thread()) |
1391 | return; | |
1392 | ||
c6ae0a5b | 1393 | if (!terse_output) { |
9cedf167 JA |
1394 | printf("Starting "); |
1395 | if (nr_thread) | |
5ec10eaa JA |
1396 | printf("%d thread%s", nr_thread, |
1397 | nr_thread > 1 ? "s" : ""); | |
9cedf167 JA |
1398 | if (nr_process) { |
1399 | if (nr_thread) | |
1400 | printf(" and "); | |
5ec10eaa JA |
1401 | printf("%d process%s", nr_process, |
1402 | nr_process > 1 ? "es" : ""); | |
9cedf167 JA |
1403 | } |
1404 | printf("\n"); | |
c6ae0a5b JA |
1405 | fflush(stdout); |
1406 | } | |
c04f7ec3 | 1407 | |
697a606c | 1408 | set_sig_handlers(); |
4efa970e | 1409 | |
ebac4655 JA |
1410 | todo = thread_number; |
1411 | nr_running = 0; | |
1412 | nr_started = 0; | |
1413 | m_rate = t_rate = 0; | |
1414 | ||
34572e28 | 1415 | for_each_td(td, i) { |
263e529f | 1416 | print_status_init(td->thread_number - 1); |
ebac4655 | 1417 | |
2dc1bbeb | 1418 | if (!td->o.create_serialize) { |
380cf265 | 1419 | init_disk_util(td); |
ebac4655 | 1420 | continue; |
380cf265 | 1421 | } |
ebac4655 JA |
1422 | |
1423 | /* | |
1424 | * do file setup here so it happens sequentially, | |
1425 | * we don't want X number of threads getting their | |
1426 | * client data interspersed on disk | |
1427 | */ | |
53cdc686 | 1428 | if (setup_files(td)) { |
5bf13a5a JA |
1429 | exit_value++; |
1430 | if (td->error) | |
5921e80c JA |
1431 | log_err("fio: pid=%d, err=%d/%s\n", |
1432 | (int) td->pid, td->error, td->verror); | |
ebac4655 JA |
1433 | td_set_runstate(td, TD_REAPED); |
1434 | todo--; | |
c69e8875 JA |
1435 | } else { |
1436 | struct fio_file *f; | |
1437 | unsigned int i; | |
1438 | ||
1439 | /* | |
1440 | * for sharing to work, each job must always open | |
1441 | * its own files. so close them, if we opened them | |
1442 | * for creation | |
1443 | */ | |
22a57ba8 JA |
1444 | for_each_file(td, f, i) { |
1445 | if (fio_file_open(f)) | |
1446 | td_io_close_file(td, f); | |
22a57ba8 | 1447 | } |
5ec10eaa | 1448 | } |
380cf265 JA |
1449 | |
1450 | init_disk_util(td); | |
ebac4655 JA |
1451 | } |
1452 | ||
a2f77c9f JA |
1453 | set_genesis_time(); |
1454 | ||
ebac4655 | 1455 | while (todo) { |
75154845 JA |
1456 | struct thread_data *map[MAX_JOBS]; |
1457 | struct timeval this_start; | |
1458 | int this_jobs = 0, left; | |
1459 | ||
ebac4655 JA |
1460 | /* |
1461 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1462 | */ | |
34572e28 | 1463 | for_each_td(td, i) { |
ebac4655 JA |
1464 | if (td->runstate != TD_NOT_CREATED) |
1465 | continue; | |
1466 | ||
1467 | /* | |
1468 | * never got a chance to start, killed by other | |
1469 | * thread for some reason | |
1470 | */ | |
1471 | if (td->terminate) { | |
1472 | todo--; | |
1473 | continue; | |
1474 | } | |
1475 | ||
2dc1bbeb | 1476 | if (td->o.start_delay) { |
263e529f | 1477 | spent = mtime_since_genesis(); |
ebac4655 | 1478 | |
2dc1bbeb | 1479 | if (td->o.start_delay * 1000 > spent) |
ebac4655 JA |
1480 | continue; |
1481 | } | |
1482 | ||
6f88bcb0 JA |
1483 | if (td->o.stonewall && (nr_started || nr_running)) { |
1484 | dprint(FD_PROCESS, "%s: stonewall wait\n", | |
1485 | td->o.name); | |
ebac4655 | 1486 | break; |
6f88bcb0 | 1487 | } |
ebac4655 | 1488 | |
75154845 JA |
1489 | /* |
1490 | * Set state to created. Thread will transition | |
1491 | * to TD_INITIALIZED when it's done setting up. | |
1492 | */ | |
ebac4655 | 1493 | td_set_runstate(td, TD_CREATED); |
75154845 | 1494 | map[this_jobs++] = td; |
ebac4655 JA |
1495 | nr_started++; |
1496 | ||
2dc1bbeb | 1497 | if (td->o.use_thread) { |
f42c153d JA |
1498 | int ret; |
1499 | ||
ee56ad50 | 1500 | dprint(FD_PROCESS, "will pthread_create\n"); |
f42c153d JA |
1501 | ret = pthread_create(&td->thread, NULL, |
1502 | thread_main, td); | |
1503 | if (ret) { | |
1504 | log_err("pthread_create: %s\n", | |
1505 | strerror(ret)); | |
ebac4655 | 1506 | nr_started--; |
c8bb6faf | 1507 | break; |
ebac4655 | 1508 | } |
f42c153d JA |
1509 | ret = pthread_detach(td->thread); |
1510 | if (ret) | |
1511 | log_err("pthread_detach: %s", | |
1512 | strerror(ret)); | |
ebac4655 | 1513 | } else { |
5e1d306e | 1514 | pid_t pid; |
ee56ad50 | 1515 | dprint(FD_PROCESS, "will fork\n"); |
5e1d306e JA |
1516 | pid = fork(); |
1517 | if (!pid) { | |
a6418147 JA |
1518 | int ret = fork_main(shm_id, i); |
1519 | ||
5e1d306e JA |
1520 | _exit(ret); |
1521 | } else if (i == fio_debug_jobno) | |
1522 | *fio_debug_jobp = pid; | |
ebac4655 | 1523 | } |
29adda3c | 1524 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
656b1393 JA |
1525 | if (fio_mutex_down_timeout(startup_mutex, 10)) { |
1526 | log_err("fio: job startup hung? exiting.\n"); | |
1527 | terminate_threads(TERMINATE_ALL); | |
1528 | fio_abort = 1; | |
1529 | nr_started--; | |
1530 | break; | |
1531 | } | |
29adda3c | 1532 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
ebac4655 JA |
1533 | } |
1534 | ||
1535 | /* | |
75154845 JA |
1536 | * Wait for the started threads to transition to |
1537 | * TD_INITIALIZED. | |
ebac4655 | 1538 | */ |
02bcaa8c | 1539 | fio_gettime(&this_start, NULL); |
75154845 | 1540 | left = this_jobs; |
6ce15a32 | 1541 | while (left && !fio_abort) { |
75154845 JA |
1542 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1543 | break; | |
1544 | ||
1545 | usleep(100000); | |
1546 | ||
1547 | for (i = 0; i < this_jobs; i++) { | |
1548 | td = map[i]; | |
1549 | if (!td) | |
1550 | continue; | |
b6f4d880 | 1551 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1552 | map[i] = NULL; |
1553 | left--; | |
b6f4d880 JA |
1554 | } else if (td->runstate >= TD_EXITED) { |
1555 | map[i] = NULL; | |
1556 | left--; | |
1557 | todo--; | |
1558 | nr_running++; /* work-around... */ | |
75154845 JA |
1559 | } |
1560 | } | |
1561 | } | |
1562 | ||
1563 | if (left) { | |
3b70d7e5 | 1564 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1565 | for (i = 0; i < this_jobs; i++) { |
1566 | td = map[i]; | |
1567 | if (!td) | |
1568 | continue; | |
1569 | kill(td->pid, SIGTERM); | |
1570 | } | |
1571 | break; | |
1572 | } | |
1573 | ||
1574 | /* | |
b6f4d880 | 1575 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1576 | */ |
34572e28 | 1577 | for_each_td(td, i) { |
75154845 | 1578 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1579 | continue; |
1580 | ||
b29ee5b3 JA |
1581 | if (in_ramp_time(td)) |
1582 | td_set_runstate(td, TD_RAMP); | |
1583 | else | |
1584 | td_set_runstate(td, TD_RUNNING); | |
ebac4655 JA |
1585 | nr_running++; |
1586 | nr_started--; | |
581e7141 JA |
1587 | m_rate += td->o.ratemin[0] + td->o.ratemin[1]; |
1588 | t_rate += td->o.rate[0] + td->o.rate[1]; | |
75154845 | 1589 | todo--; |
cdd18ad8 | 1590 | fio_mutex_up(td->mutex); |
ebac4655 JA |
1591 | } |
1592 | ||
1593 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1594 | ||
1595 | if (todo) | |
1596 | usleep(100000); | |
1597 | } | |
1598 | ||
1599 | while (nr_running) { | |
1600 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1601 | usleep(10000); | |
1602 | } | |
1603 | ||
1604 | update_io_ticks(); | |
2f9ade3c | 1605 | fio_unpin_memory(); |
ebac4655 JA |
1606 | } |
1607 | ||
ebac4655 JA |
1608 | int main(int argc, char *argv[]) |
1609 | { | |
29d610e1 JA |
1610 | long ps; |
1611 | ||
2e5cdb11 JA |
1612 | sinit(); |
1613 | ||
dbe1125e JA |
1614 | /* |
1615 | * We need locale for number printing, if it isn't set then just | |
1616 | * go with the US format. | |
1617 | */ | |
1618 | if (!getenv("LC_NUMERIC")) | |
1619 | setlocale(LC_NUMERIC, "en_US"); | |
1620 | ||
ebac4655 JA |
1621 | if (parse_options(argc, argv)) |
1622 | return 1; | |
1623 | ||
4b472fa3 JA |
1624 | if (!thread_number) |
1625 | return 0; | |
ebac4655 | 1626 | |
29d610e1 JA |
1627 | ps = sysconf(_SC_PAGESIZE); |
1628 | if (ps < 0) { | |
1629 | log_err("Failed to get page size\n"); | |
1630 | return 1; | |
1631 | } | |
1632 | ||
cfc99db7 | 1633 | page_size = ps; |
29d610e1 JA |
1634 | page_mask = ps - 1; |
1635 | ||
bb3884d8 JA |
1636 | if (write_bw_log) { |
1637 | setup_log(&agg_io_log[DDIR_READ]); | |
1638 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1639 | } | |
1640 | ||
cdd18ad8 | 1641 | startup_mutex = fio_mutex_init(0); |
d2bbb8d9 | 1642 | writeout_mutex = fio_mutex_init(1); |
07739b57 | 1643 | |
a2f77c9f JA |
1644 | set_genesis_time(); |
1645 | ||
ccb0fa24 | 1646 | status_timer_arm(); |
ebac4655 JA |
1647 | |
1648 | run_threads(); | |
6ce15a32 | 1649 | |
bb3884d8 | 1650 | if (!fio_abort) { |
6ce15a32 | 1651 | show_run_stats(); |
bb3884d8 | 1652 | if (write_bw_log) { |
5ec10eaa JA |
1653 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
1654 | __finish_log(agg_io_log[DDIR_WRITE], | |
1655 | "agg-write_bw.log"); | |
bb3884d8 JA |
1656 | } |
1657 | } | |
ebac4655 | 1658 | |
cdd18ad8 | 1659 | fio_mutex_remove(startup_mutex); |
d2bbb8d9 | 1660 | fio_mutex_remove(writeout_mutex); |
437c9b71 | 1661 | return exit_value; |
ebac4655 | 1662 | } |