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" |
a696fa2a | 42 | #include "cgroup.h" |
ebac4655 | 43 | |
cfc99db7 JA |
44 | unsigned long page_mask; |
45 | unsigned long page_size; | |
d529ee19 JA |
46 | |
47 | #define PAGE_ALIGN(buf) \ | |
29d610e1 | 48 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) |
ebac4655 JA |
49 | |
50 | int groupid = 0; | |
51 | int thread_number = 0; | |
9cedf167 JA |
52 | int nr_process = 0; |
53 | int nr_thread = 0; | |
ebac4655 | 54 | int shm_id = 0; |
53cdc686 | 55 | int temp_stall_ts; |
d3eeeabc | 56 | unsigned long done_secs = 0; |
ebac4655 | 57 | |
cdd18ad8 | 58 | static struct fio_mutex *startup_mutex; |
d2bbb8d9 | 59 | static struct fio_mutex *writeout_mutex; |
6ce15a32 | 60 | static volatile int fio_abort; |
437c9b71 | 61 | static int exit_value; |
ccb0fa24 | 62 | static struct itimerval itimer; |
be4ecfdf | 63 | static pthread_t gtod_thread; |
dae5341c | 64 | static struct flist_head *cgroup_list; |
ebac4655 | 65 | |
bb3884d8 JA |
66 | struct io_log *agg_io_log[2]; |
67 | ||
ebac4655 | 68 | #define TERMINATE_ALL (-1) |
75154845 | 69 | #define JOB_START_TIMEOUT (5 * 1000) |
ebac4655 | 70 | |
b29ee5b3 | 71 | void td_set_runstate(struct thread_data *td, int runstate) |
6ce15a32 | 72 | { |
d8fab1b6 JA |
73 | if (td->runstate == runstate) |
74 | return; | |
75 | ||
5921e80c JA |
76 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
77 | td->runstate, runstate); | |
6ce15a32 JA |
78 | td->runstate = runstate; |
79 | } | |
80 | ||
390c40e2 | 81 | static void terminate_threads(int group_id) |
ebac4655 | 82 | { |
34572e28 | 83 | struct thread_data *td; |
ebac4655 JA |
84 | int i; |
85 | ||
6f88bcb0 JA |
86 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
87 | ||
34572e28 | 88 | for_each_td(td, i) { |
ebac4655 | 89 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
6f88bcb0 | 90 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
5921e80c | 91 | td->o.name, (int) td->pid); |
ad830ed7 JA |
92 | td->terminate = 1; |
93 | td->o.start_delay = 0; | |
94 | ||
7a93ab19 JA |
95 | /* |
96 | * if the thread is running, just let it exit | |
97 | */ | |
98 | if (td->runstate < TD_RUNNING) | |
c1302d44 | 99 | kill(td->pid, SIGQUIT); |
f63f7f3b JA |
100 | else { |
101 | struct ioengine_ops *ops = td->io_ops; | |
102 | ||
103 | if (ops && (ops->flags & FIO_SIGQUIT)) | |
104 | kill(td->pid, SIGQUIT); | |
105 | } | |
ebac4655 JA |
106 | } |
107 | } | |
108 | } | |
109 | ||
ccb0fa24 JA |
110 | static void status_timer_arm(void) |
111 | { | |
112 | itimer.it_value.tv_sec = 0; | |
113 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; | |
114 | setitimer(ITIMER_REAL, &itimer, NULL); | |
115 | } | |
116 | ||
02444ad1 | 117 | static void sig_alrm(int fio_unused sig) |
ebac4655 | 118 | { |
697a606c | 119 | if (threads) { |
5ec10eaa | 120 | update_io_ticks(); |
5ec10eaa | 121 | print_thread_status(); |
ccb0fa24 | 122 | status_timer_arm(); |
697a606c JA |
123 | } |
124 | } | |
125 | ||
5f8f9726 JA |
126 | /* |
127 | * Happens on thread runs with ctrl-c, ignore our own SIGQUIT | |
128 | */ | |
129 | static void sig_quit(int sig) | |
130 | { | |
131 | } | |
132 | ||
697a606c JA |
133 | static void sig_int(int sig) |
134 | { | |
135 | if (threads) { | |
5ec10eaa JA |
136 | printf("\nfio: terminating on signal %d\n", sig); |
137 | fflush(stdout); | |
138 | terminate_threads(TERMINATE_ALL); | |
ebac4655 JA |
139 | } |
140 | } | |
141 | ||
02444ad1 | 142 | static void sig_ill(int fio_unused sig) |
de79c915 JA |
143 | { |
144 | if (!threads) | |
145 | return; | |
146 | ||
147 | log_err("fio: illegal instruction. your cpu does not support " | |
148 | "the sse4.2 instruction for crc32c\n"); | |
149 | terminate_threads(TERMINATE_ALL); | |
150 | exit(4); | |
151 | } | |
152 | ||
697a606c JA |
153 | static void set_sig_handlers(void) |
154 | { | |
155 | struct sigaction act; | |
156 | ||
157 | memset(&act, 0, sizeof(act)); | |
158 | act.sa_handler = sig_alrm; | |
159 | act.sa_flags = SA_RESTART; | |
160 | sigaction(SIGALRM, &act, NULL); | |
161 | ||
162 | memset(&act, 0, sizeof(act)); | |
163 | act.sa_handler = sig_int; | |
164 | act.sa_flags = SA_RESTART; | |
165 | sigaction(SIGINT, &act, NULL); | |
de79c915 JA |
166 | |
167 | memset(&act, 0, sizeof(act)); | |
168 | act.sa_handler = sig_ill; | |
169 | act.sa_flags = SA_RESTART; | |
170 | sigaction(SIGILL, &act, NULL); | |
5f8f9726 JA |
171 | |
172 | memset(&act, 0, sizeof(act)); | |
173 | act.sa_handler = sig_quit; | |
174 | act.sa_flags = SA_RESTART; | |
175 | sigaction(SIGQUIT, &act, NULL); | |
697a606c JA |
176 | } |
177 | ||
906c8d75 JA |
178 | /* |
179 | * Check if we are above the minimum rate given. | |
180 | */ | |
581e7141 JA |
181 | static int __check_min_rate(struct thread_data *td, struct timeval *now, |
182 | enum td_ddir ddir) | |
ebac4655 | 183 | { |
0904200b | 184 | unsigned long long bytes = 0; |
4e991c23 | 185 | unsigned long iops = 0; |
ebac4655 JA |
186 | unsigned long spent; |
187 | unsigned long rate; | |
581e7141 JA |
188 | unsigned int ratemin = 0; |
189 | unsigned int rate_iops = 0; | |
190 | unsigned int rate_iops_min = 0; | |
ebac4655 | 191 | |
d982d873 JA |
192 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) |
193 | return 0; | |
194 | ||
ebac4655 JA |
195 | /* |
196 | * allow a 2 second settle period in the beginning | |
197 | */ | |
198 | if (mtime_since(&td->start, now) < 2000) | |
199 | return 0; | |
200 | ||
581e7141 JA |
201 | iops += td->io_blocks[ddir]; |
202 | bytes += td->this_io_bytes[ddir]; | |
203 | ratemin += td->o.ratemin[ddir]; | |
204 | rate_iops += td->o.rate_iops[ddir]; | |
205 | rate_iops_min += td->o.rate_iops_min[ddir]; | |
0904200b | 206 | |
ebac4655 JA |
207 | /* |
208 | * if rate blocks is set, sample is running | |
209 | */ | |
581e7141 JA |
210 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
211 | spent = mtime_since(&td->lastrate[ddir], now); | |
2dc1bbeb | 212 | if (spent < td->o.ratecycle) |
ebac4655 JA |
213 | return 0; |
214 | ||
581e7141 | 215 | if (td->o.rate[ddir]) { |
4e991c23 JA |
216 | /* |
217 | * check bandwidth specified rate | |
218 | */ | |
581e7141 | 219 | if (bytes < td->rate_bytes[ddir]) { |
5ec10eaa | 220 | log_err("%s: min rate %u not met\n", td->o.name, |
581e7141 | 221 | ratemin); |
4e991c23 JA |
222 | return 1; |
223 | } else { | |
581e7141 JA |
224 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
225 | if (rate < ratemin || | |
226 | bytes < td->rate_bytes[ddir]) { | |
5ec10eaa | 227 | log_err("%s: min rate %u not met, got" |
b22989b9 | 228 | " %luKB/sec\n", td->o.name, |
581e7141 | 229 | ratemin, rate); |
4e991c23 JA |
230 | return 1; |
231 | } | |
232 | } | |
413dd459 | 233 | } else { |
4e991c23 JA |
234 | /* |
235 | * checks iops specified rate | |
236 | */ | |
581e7141 | 237 | if (iops < rate_iops) { |
5ec10eaa | 238 | log_err("%s: min iops rate %u not met\n", |
581e7141 | 239 | td->o.name, rate_iops); |
413dd459 | 240 | return 1; |
4e991c23 | 241 | } else { |
581e7141 JA |
242 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
243 | if (rate < rate_iops_min || | |
244 | iops < td->rate_blocks[ddir]) { | |
5ec10eaa JA |
245 | log_err("%s: min iops rate %u not met," |
246 | " got %lu\n", td->o.name, | |
581e7141 | 247 | rate_iops_min, rate); |
4e991c23 | 248 | } |
413dd459 | 249 | } |
ebac4655 JA |
250 | } |
251 | } | |
252 | ||
581e7141 JA |
253 | td->rate_bytes[ddir] = bytes; |
254 | td->rate_blocks[ddir] = iops; | |
255 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); | |
ebac4655 JA |
256 | return 0; |
257 | } | |
258 | ||
581e7141 JA |
259 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
260 | unsigned long *bytes_done) | |
261 | { | |
262 | int ret = 0; | |
263 | ||
264 | if (bytes_done[0]) | |
265 | ret |= __check_min_rate(td, now, 0); | |
266 | if (bytes_done[1]) | |
267 | ret |= __check_min_rate(td, now, 1); | |
268 | ||
269 | return ret; | |
270 | } | |
271 | ||
ebac4655 JA |
272 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
273 | { | |
2dc1bbeb | 274 | if (!td->o.timeout) |
ebac4655 | 275 | return 0; |
2dc1bbeb | 276 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
ebac4655 JA |
277 | return 1; |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
906c8d75 JA |
282 | /* |
283 | * When job exits, we can cancel the in-flight IO if we are using async | |
284 | * io. Attempt to do so. | |
285 | */ | |
ebac4655 JA |
286 | static void cleanup_pending_aio(struct thread_data *td) |
287 | { | |
01743ee1 | 288 | struct flist_head *entry, *n; |
ebac4655 JA |
289 | struct io_u *io_u; |
290 | int r; | |
291 | ||
292 | /* | |
293 | * get immediately available events, if any | |
294 | */ | |
581e7141 | 295 | r = io_u_queued_complete(td, 0, NULL); |
b2fdda43 JA |
296 | if (r < 0) |
297 | return; | |
ebac4655 JA |
298 | |
299 | /* | |
300 | * now cancel remaining active events | |
301 | */ | |
2866c82d | 302 | if (td->io_ops->cancel) { |
01743ee1 JA |
303 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
304 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 305 | |
0c6e7517 JA |
306 | /* |
307 | * if the io_u isn't in flight, then that generally | |
308 | * means someone leaked an io_u. complain but fix | |
309 | * it up, so we don't stall here. | |
310 | */ | |
311 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
312 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 313 | put_io_u(td, io_u); |
0c6e7517 JA |
314 | } else { |
315 | r = td->io_ops->cancel(td, io_u); | |
316 | if (!r) | |
317 | put_io_u(td, io_u); | |
318 | } | |
ebac4655 JA |
319 | } |
320 | } | |
321 | ||
97601024 | 322 | if (td->cur_depth) |
581e7141 | 323 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
ebac4655 JA |
324 | } |
325 | ||
858a3d47 JA |
326 | /* |
327 | * Helper to handle the final sync of a file. Works just like the normal | |
328 | * io path, just does everything sync. | |
329 | */ | |
330 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
331 | { | |
332 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
333 | int ret; |
334 | ||
335 | if (!io_u) | |
336 | return 1; | |
337 | ||
338 | io_u->ddir = DDIR_SYNC; | |
339 | io_u->file = f; | |
340 | ||
341 | if (td_io_prep(td, io_u)) { | |
342 | put_io_u(td, io_u); | |
343 | return 1; | |
344 | } | |
345 | ||
755200a3 | 346 | requeue: |
858a3d47 | 347 | ret = td_io_queue(td, io_u); |
36167d82 | 348 | if (ret < 0) { |
e1161c32 | 349 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 350 | put_io_u(td, io_u); |
858a3d47 | 351 | return 1; |
36167d82 | 352 | } else if (ret == FIO_Q_QUEUED) { |
581e7141 | 353 | if (io_u_queued_complete(td, 1, NULL) < 0) |
36167d82 | 354 | return 1; |
36167d82 JA |
355 | } else if (ret == FIO_Q_COMPLETED) { |
356 | if (io_u->error) { | |
e1161c32 | 357 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
358 | return 1; |
359 | } | |
858a3d47 | 360 | |
581e7141 | 361 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
b2fdda43 | 362 | return 1; |
755200a3 JA |
363 | } else if (ret == FIO_Q_BUSY) { |
364 | if (td_io_commit(td)) | |
365 | return 1; | |
366 | goto requeue; | |
858a3d47 JA |
367 | } |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
993bf48b JA |
372 | static inline void update_tv_cache(struct thread_data *td) |
373 | { | |
374 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) | |
375 | fio_gettime(&td->tv_cache, NULL); | |
376 | } | |
377 | ||
f2bba182 RR |
378 | static int break_on_this_error(struct thread_data *td, int *retptr) |
379 | { | |
380 | int ret = *retptr; | |
381 | ||
382 | if (ret < 0 || td->error) { | |
383 | int err; | |
384 | ||
1ec99eea JA |
385 | if (!td->o.continue_on_error) |
386 | return 1; | |
f2bba182 RR |
387 | |
388 | if (ret < 0) | |
389 | err = -ret; | |
390 | else | |
391 | err = td->error; | |
392 | ||
f2bba182 RR |
393 | if (td_non_fatal_error(err)) { |
394 | /* | |
395 | * Continue with the I/Os in case of | |
396 | * a non fatal error. | |
397 | */ | |
8a4f8a24 | 398 | update_error_count(td, err); |
f2bba182 RR |
399 | td_clear_error(td); |
400 | *retptr = 0; | |
401 | return 0; | |
8a4f8a24 RR |
402 | } else if (td->o.fill_device && err == ENOSPC) { |
403 | /* | |
404 | * We expect to hit this error if | |
405 | * fill_device option is set. | |
406 | */ | |
407 | td_clear_error(td); | |
408 | td->terminate = 1; | |
409 | return 1; | |
f2bba182 RR |
410 | } else { |
411 | /* | |
412 | * Stop the I/O in case of a fatal | |
413 | * error. | |
414 | */ | |
8a4f8a24 | 415 | update_error_count(td, err); |
f2bba182 RR |
416 | return 1; |
417 | } | |
418 | } | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
906c8d75 | 423 | /* |
34403fb1 | 424 | * The main verify engine. Runs over the writes we previously submitted, |
906c8d75 JA |
425 | * reads the blocks back in, and checks the crc/md5 of the data. |
426 | */ | |
1e97cce9 | 427 | static void do_verify(struct thread_data *td) |
ebac4655 | 428 | { |
53cdc686 | 429 | struct fio_file *f; |
36167d82 | 430 | struct io_u *io_u; |
af52b345 JA |
431 | int ret, min_events; |
432 | unsigned int i; | |
e5b401d4 JA |
433 | |
434 | /* | |
435 | * sync io first and invalidate cache, to make sure we really | |
436 | * read from disk. | |
437 | */ | |
438 | for_each_file(td, f, i) { | |
d6aed795 | 439 | if (!fio_file_open(f)) |
3d7b485f | 440 | continue; |
b2fdda43 JA |
441 | if (fio_io_sync(td, f)) |
442 | break; | |
443 | if (file_invalidate_cache(td, f)) | |
444 | break; | |
e5b401d4 | 445 | } |
ebac4655 | 446 | |
b2fdda43 JA |
447 | if (td->error) |
448 | return; | |
449 | ||
ebac4655 JA |
450 | td_set_runstate(td, TD_VERIFYING); |
451 | ||
36167d82 JA |
452 | io_u = NULL; |
453 | while (!td->terminate) { | |
4950421a | 454 | int ret2, full; |
5451792e | 455 | |
993bf48b JA |
456 | update_tv_cache(td); |
457 | ||
458 | if (runtime_exceeded(td, &td->tv_cache)) { | |
90a87d4b | 459 | td->terminate = 1; |
02bcaa8c | 460 | break; |
069c2918 | 461 | } |
02bcaa8c | 462 | |
dcb4830d RR |
463 | io_u = __get_io_u(td); |
464 | if (!io_u) | |
465 | break; | |
466 | ||
069c2918 JA |
467 | if (get_next_verify(td, io_u)) { |
468 | put_io_u(td, io_u); | |
ebac4655 | 469 | break; |
069c2918 | 470 | } |
ebac4655 | 471 | |
069c2918 JA |
472 | if (td_io_prep(td, io_u)) { |
473 | put_io_u(td, io_u); | |
53cdc686 | 474 | break; |
069c2918 | 475 | } |
d7762cf8 | 476 | |
e8462bd8 JA |
477 | if (td->o.verify_async) |
478 | io_u->end_io = verify_io_u_async; | |
479 | else | |
480 | io_u->end_io = verify_io_u; | |
53cdc686 | 481 | |
11786802 | 482 | ret = td_io_queue(td, io_u); |
36167d82 JA |
483 | switch (ret) { |
484 | case FIO_Q_COMPLETED: | |
f2bba182 | 485 | if (io_u->error) { |
22819ec2 | 486 | ret = -io_u->error; |
f2bba182 RR |
487 | clear_io_u(td, io_u); |
488 | } else if (io_u->resid) { | |
36167d82 | 489 | int bytes = io_u->xfer_buflen - io_u->resid; |
d460eb31 | 490 | struct fio_file *f = io_u->file; |
ebac4655 | 491 | |
9e9d164e JA |
492 | /* |
493 | * zero read, fail | |
494 | */ | |
495 | if (!bytes) { | |
41d9f0fd | 496 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
497 | put_io_u(td, io_u); |
498 | break; | |
499 | } | |
8400d9b2 | 500 | |
36167d82 JA |
501 | io_u->xfer_buflen = io_u->resid; |
502 | io_u->xfer_buf += bytes; | |
8400d9b2 JA |
503 | io_u->offset += bytes; |
504 | ||
30061b97 JA |
505 | td->ts.short_io_u[io_u->ddir]++; |
506 | ||
d460eb31 | 507 | if (io_u->offset == f->real_file_size) |
8400d9b2 JA |
508 | goto sync_done; |
509 | ||
11786802 JA |
510 | requeue_io_u(td, &io_u); |
511 | } else { | |
8400d9b2 | 512 | sync_done: |
581e7141 | 513 | ret = io_u_sync_complete(td, io_u, NULL); |
11786802 JA |
514 | if (ret < 0) |
515 | break; | |
36167d82 | 516 | } |
36167d82 JA |
517 | continue; |
518 | case FIO_Q_QUEUED: | |
519 | break; | |
755200a3 JA |
520 | case FIO_Q_BUSY: |
521 | requeue_io_u(td, &io_u); | |
5451792e JA |
522 | ret2 = td_io_commit(td); |
523 | if (ret2 < 0) | |
524 | ret = ret2; | |
755200a3 | 525 | break; |
36167d82 JA |
526 | default: |
527 | assert(ret < 0); | |
e1161c32 | 528 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
529 | break; |
530 | } | |
531 | ||
f2bba182 | 532 | if (break_on_this_error(td, &ret)) |
3af6ef39 JA |
533 | break; |
534 | ||
ebac4655 | 535 | /* |
3af6ef39 JA |
536 | * if we can queue more, do so. but check if there are |
537 | * completed io_u's first. | |
ebac4655 | 538 | */ |
4950421a JA |
539 | full = queue_full(td) || ret == FIO_Q_BUSY; |
540 | if (full || !td->o.iodepth_batch_complete) { | |
6a96276c RR |
541 | min_events = min(td->o.iodepth_batch_complete, |
542 | td->cur_depth); | |
4950421a | 543 | if (full && !min_events) |
838bc709 | 544 | min_events = 1; |
e916b390 | 545 | |
4950421a JA |
546 | do { |
547 | /* | |
548 | * Reap required number of io units, if any, | |
549 | * and do the verification on them through | |
550 | * the callback handler | |
551 | */ | |
581e7141 | 552 | if (io_u_queued_complete(td, min_events, NULL) < 0) { |
4950421a JA |
553 | ret = -1; |
554 | break; | |
555 | } | |
556 | } while (full && (td->cur_depth > td->o.iodepth_low)); | |
557 | } | |
558 | if (ret < 0) | |
ebac4655 | 559 | break; |
36167d82 | 560 | } |
ebac4655 | 561 | |
c01c0395 JA |
562 | if (!td->error) { |
563 | min_events = td->cur_depth; | |
564 | ||
565 | if (min_events) | |
581e7141 | 566 | ret = io_u_queued_complete(td, min_events, NULL); |
c01c0395 | 567 | } else |
ebac4655 JA |
568 | cleanup_pending_aio(td); |
569 | ||
570 | td_set_runstate(td, TD_RUNNING); | |
571 | } | |
572 | ||
32cd46a0 | 573 | /* |
906c8d75 | 574 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
575 | * and reaps them, checking for rate and errors along the way. |
576 | */ | |
ebac4655 JA |
577 | static void do_io(struct thread_data *td) |
578 | { | |
af52b345 JA |
579 | unsigned int i; |
580 | int ret = 0; | |
ebac4655 | 581 | |
b29ee5b3 JA |
582 | if (in_ramp_time(td)) |
583 | td_set_runstate(td, TD_RAMP); | |
584 | else | |
585 | td_set_runstate(td, TD_RUNNING); | |
5853e5a8 | 586 | |
457bf399 GO |
587 | while ( (td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || |
588 | ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) ) { | |
97601024 | 589 | struct timeval comp_time; |
581e7141 | 590 | unsigned long bytes_done[2] = { 0, 0 }; |
84585003 | 591 | int min_evts = 0; |
ebac4655 | 592 | struct io_u *io_u; |
4950421a | 593 | int ret2, full; |
ebac4655 JA |
594 | |
595 | if (td->terminate) | |
596 | break; | |
597 | ||
993bf48b | 598 | update_tv_cache(td); |
97601024 | 599 | |
993bf48b | 600 | if (runtime_exceeded(td, &td->tv_cache)) { |
90a87d4b | 601 | td->terminate = 1; |
97601024 JA |
602 | break; |
603 | } | |
36167d82 | 604 | |
dcb4830d RR |
605 | io_u = get_io_u(td); |
606 | if (!io_u) | |
607 | break; | |
608 | ||
b67740d3 JA |
609 | /* |
610 | * Add verification end_io handler, if asked to verify | |
611 | * a previously written file. | |
612 | */ | |
715d2b3e JA |
613 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ && |
614 | !td_rw(td)) { | |
e8462bd8 JA |
615 | if (td->o.verify_async) |
616 | io_u->end_io = verify_io_u_async; | |
617 | else | |
618 | io_u->end_io = verify_io_u; | |
d8fab1b6 | 619 | td_set_runstate(td, TD_VERIFYING); |
b29ee5b3 JA |
620 | } else if (in_ramp_time(td)) |
621 | td_set_runstate(td, TD_RAMP); | |
622 | else | |
d8fab1b6 | 623 | td_set_runstate(td, TD_RUNNING); |
b67740d3 | 624 | |
11786802 | 625 | ret = td_io_queue(td, io_u); |
36167d82 JA |
626 | switch (ret) { |
627 | case FIO_Q_COMPLETED: | |
f2bba182 | 628 | if (io_u->error) { |
5451792e | 629 | ret = -io_u->error; |
f2bba182 RR |
630 | clear_io_u(td, io_u); |
631 | } else if (io_u->resid) { | |
36167d82 | 632 | int bytes = io_u->xfer_buflen - io_u->resid; |
d460eb31 | 633 | struct fio_file *f = io_u->file; |
36167d82 | 634 | |
9e9d164e JA |
635 | /* |
636 | * zero read, fail | |
637 | */ | |
638 | if (!bytes) { | |
41d9f0fd | 639 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
640 | put_io_u(td, io_u); |
641 | break; | |
642 | } | |
643 | ||
cec6b55d | 644 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 645 | io_u->xfer_buf += bytes; |
5a7c5680 JA |
646 | io_u->offset += bytes; |
647 | ||
30061b97 JA |
648 | td->ts.short_io_u[io_u->ddir]++; |
649 | ||
d460eb31 | 650 | if (io_u->offset == f->real_file_size) |
5a7c5680 JA |
651 | goto sync_done; |
652 | ||
11786802 JA |
653 | requeue_io_u(td, &io_u); |
654 | } else { | |
5a7c5680 | 655 | sync_done: |
581e7141 JA |
656 | if (__should_check_rate(td, 0) || |
657 | __should_check_rate(td, 1)) | |
993bf48b JA |
658 | fio_gettime(&comp_time, NULL); |
659 | ||
581e7141 JA |
660 | ret = io_u_sync_complete(td, io_u, bytes_done); |
661 | if (ret < 0) | |
662 | break; | |
cec6b55d | 663 | } |
36167d82 JA |
664 | break; |
665 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
666 | /* |
667 | * if the engine doesn't have a commit hook, | |
668 | * the io_u is really queued. if it does have such | |
669 | * a hook, it has to call io_u_queued() itself. | |
670 | */ | |
671 | if (td->io_ops->commit == NULL) | |
672 | io_u_queued(td, io_u); | |
36167d82 | 673 | break; |
755200a3 JA |
674 | case FIO_Q_BUSY: |
675 | requeue_io_u(td, &io_u); | |
5451792e JA |
676 | ret2 = td_io_commit(td); |
677 | if (ret2 < 0) | |
678 | ret = ret2; | |
755200a3 | 679 | break; |
36167d82 JA |
680 | default: |
681 | assert(ret < 0); | |
682 | put_io_u(td, io_u); | |
683 | break; | |
ebac4655 JA |
684 | } |
685 | ||
f2bba182 | 686 | if (break_on_this_error(td, &ret)) |
36167d82 JA |
687 | break; |
688 | ||
97601024 JA |
689 | /* |
690 | * See if we need to complete some commands | |
691 | */ | |
4950421a JA |
692 | full = queue_full(td) || ret == FIO_Q_BUSY; |
693 | if (full || !td->o.iodepth_batch_complete) { | |
6a96276c RR |
694 | min_evts = min(td->o.iodepth_batch_complete, |
695 | td->cur_depth); | |
4950421a | 696 | if (full && !min_evts) |
36167d82 | 697 | min_evts = 1; |
4950421a | 698 | |
581e7141 JA |
699 | if (__should_check_rate(td, 0) || |
700 | __should_check_rate(td, 1)) | |
993bf48b | 701 | fio_gettime(&comp_time, NULL); |
4950421a JA |
702 | |
703 | do { | |
581e7141 JA |
704 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
705 | if (ret < 0) | |
4950421a JA |
706 | break; |
707 | ||
4950421a | 708 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
ebac4655 JA |
709 | } |
710 | ||
4950421a JA |
711 | if (ret < 0) |
712 | break; | |
581e7141 | 713 | if (!(bytes_done[0] + bytes_done[1])) |
97601024 JA |
714 | continue; |
715 | ||
581e7141 JA |
716 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
717 | if (check_min_rate(td, &comp_time, bytes_done)) { | |
721938ae JA |
718 | if (exitall_on_terminate) |
719 | terminate_threads(td->groupid); | |
720 | td_verror(td, EIO, "check_min_rate"); | |
721 | break; | |
722 | } | |
ebac4655 JA |
723 | } |
724 | ||
2dc1bbeb | 725 | if (td->o.thinktime) { |
9c1f7434 JA |
726 | unsigned long long b; |
727 | ||
728 | b = td->io_blocks[0] + td->io_blocks[1]; | |
2dc1bbeb | 729 | if (!(b % td->o.thinktime_blocks)) { |
48097d5c JA |
730 | int left; |
731 | ||
2dc1bbeb | 732 | if (td->o.thinktime_spin) |
6dd6f2cd | 733 | usec_spin(td->o.thinktime_spin); |
48097d5c | 734 | |
2dc1bbeb | 735 | left = td->o.thinktime - td->o.thinktime_spin; |
48097d5c JA |
736 | if (left) |
737 | usec_sleep(td, left); | |
738 | } | |
9c1f7434 | 739 | } |
ebac4655 JA |
740 | } |
741 | ||
aa31f1f1 SL |
742 | if (td->o.fill_device && td->error == ENOSPC) { |
743 | td->error = 0; | |
744 | td->terminate = 1; | |
745 | } | |
4d2413c6 | 746 | if (!td->error) { |
3d7c391d JA |
747 | struct fio_file *f; |
748 | ||
c01c0395 JA |
749 | i = td->cur_depth; |
750 | if (i) | |
581e7141 | 751 | ret = io_u_queued_complete(td, i, NULL); |
ebac4655 | 752 | |
2dc1bbeb | 753 | if (should_fsync(td) && td->o.end_fsync) { |
84585003 | 754 | td_set_runstate(td, TD_FSYNCING); |
3d7b485f JA |
755 | |
756 | for_each_file(td, f, i) { | |
d6aed795 | 757 | if (!fio_file_open(f)) |
3d7b485f | 758 | continue; |
858a3d47 | 759 | fio_io_sync(td, f); |
3d7b485f | 760 | } |
84585003 | 761 | } |
c01c0395 JA |
762 | } else |
763 | cleanup_pending_aio(td); | |
2ba1c290 JA |
764 | |
765 | /* | |
766 | * stop job if we failed doing any IO | |
767 | */ | |
768 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) | |
769 | td->done = 1; | |
ebac4655 JA |
770 | } |
771 | ||
ebac4655 JA |
772 | static void cleanup_io_u(struct thread_data *td) |
773 | { | |
01743ee1 | 774 | struct flist_head *entry, *n; |
ebac4655 JA |
775 | struct io_u *io_u; |
776 | ||
01743ee1 JA |
777 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
778 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 779 | |
01743ee1 | 780 | flist_del(&io_u->list); |
ebac4655 JA |
781 | free(io_u); |
782 | } | |
783 | ||
2f9ade3c | 784 | free_io_mem(td); |
ebac4655 JA |
785 | } |
786 | ||
787 | static int init_io_u(struct thread_data *td) | |
788 | { | |
789 | struct io_u *io_u; | |
a00735e6 | 790 | unsigned int max_bs; |
eb7ccf38 | 791 | int cl_align, i, max_units; |
ebac4655 JA |
792 | char *p; |
793 | ||
1e3c09af | 794 | max_units = td->o.iodepth; |
2dc1bbeb | 795 | max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]); |
5ec10eaa JA |
796 | td->orig_buffer_size = (unsigned long long) max_bs |
797 | * (unsigned long long) max_units; | |
798 | ||
799 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { | |
800 | unsigned long bs; | |
74b025b0 | 801 | |
5ec10eaa JA |
802 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
803 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); | |
804 | } | |
ebac4655 | 805 | |
c3990645 JA |
806 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
807 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); | |
808 | return 1; | |
809 | } | |
810 | ||
2f9ade3c JA |
811 | if (allocate_io_mem(td)) |
812 | return 1; | |
ebac4655 | 813 | |
fc966bef | 814 | if (td->o.odirect || td->o.mem_align) |
d529ee19 | 815 | p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align; |
b3f378e9 JA |
816 | else |
817 | p = td->orig_buffer; | |
818 | ||
eb7ccf38 JA |
819 | cl_align = os_cache_line_size(); |
820 | ||
ebac4655 | 821 | for (i = 0; i < max_units; i++) { |
eb7ccf38 JA |
822 | void *ptr; |
823 | ||
db1cd90b JA |
824 | if (td->terminate) |
825 | return 1; | |
eb7ccf38 JA |
826 | |
827 | if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) { | |
828 | log_err("fio: posix_memalign=%s\n", strerror(errno)); | |
829 | break; | |
830 | } | |
831 | ||
832 | io_u = ptr; | |
ebac4655 | 833 | memset(io_u, 0, sizeof(*io_u)); |
01743ee1 | 834 | INIT_FLIST_HEAD(&io_u->list); |
d529ee19 | 835 | dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i); |
ebac4655 | 836 | |
b4c5e1ac JA |
837 | if (!(td->io_ops->flags & FIO_NOIO)) { |
838 | io_u->buf = p + max_bs * i; | |
d529ee19 | 839 | dprint(FD_MEM, "io_u %p, mem %p\n", io_u, io_u->buf); |
e9459e5a | 840 | |
5973cafb JA |
841 | if (td_write(td) && !td->o.refill_buffers) |
842 | io_u_fill_buffer(td, io_u, max_bs); | |
b4c5e1ac | 843 | } |
6b9cea23 | 844 | |
b1ff3403 | 845 | io_u->index = i; |
0c6e7517 | 846 | io_u->flags = IO_U_F_FREE; |
01743ee1 | 847 | flist_add(&io_u->list, &td->io_u_freelist); |
ebac4655 JA |
848 | } |
849 | ||
850 | return 0; | |
851 | } | |
852 | ||
da86774e JA |
853 | static int switch_ioscheduler(struct thread_data *td) |
854 | { | |
855 | char tmp[256], tmp2[128]; | |
856 | FILE *f; | |
857 | int ret; | |
858 | ||
ba0fbe10 | 859 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
860 | return 0; |
861 | ||
da86774e JA |
862 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
863 | ||
864 | f = fopen(tmp, "r+"); | |
865 | if (!f) { | |
cbf5c1d7 | 866 | if (errno == ENOENT) { |
5ec10eaa JA |
867 | log_err("fio: os or kernel doesn't support IO scheduler" |
868 | " switching\n"); | |
cbf5c1d7 JA |
869 | return 0; |
870 | } | |
871 | td_verror(td, errno, "fopen iosched"); | |
da86774e JA |
872 | return 1; |
873 | } | |
874 | ||
875 | /* | |
876 | * Set io scheduler. | |
877 | */ | |
2dc1bbeb | 878 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
da86774e | 879 | if (ferror(f) || ret != 1) { |
e1161c32 | 880 | td_verror(td, errno, "fwrite"); |
da86774e JA |
881 | fclose(f); |
882 | return 1; | |
883 | } | |
884 | ||
885 | rewind(f); | |
886 | ||
887 | /* | |
888 | * Read back and check that the selected scheduler is now the default. | |
889 | */ | |
890 | ret = fread(tmp, 1, sizeof(tmp), f); | |
891 | if (ferror(f) || ret < 0) { | |
e1161c32 | 892 | td_verror(td, errno, "fread"); |
da86774e JA |
893 | fclose(f); |
894 | return 1; | |
895 | } | |
896 | ||
2dc1bbeb | 897 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
da86774e | 898 | if (!strstr(tmp, tmp2)) { |
2dc1bbeb | 899 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
e1161c32 | 900 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
901 | fclose(f); |
902 | return 1; | |
903 | } | |
904 | ||
905 | fclose(f); | |
906 | return 0; | |
907 | } | |
908 | ||
492158cf JA |
909 | static int keep_running(struct thread_data *td) |
910 | { | |
911 | unsigned long long io_done; | |
912 | ||
20e354ef JA |
913 | if (td->done) |
914 | return 0; | |
492158cf JA |
915 | if (td->o.time_based) |
916 | return 1; | |
917 | if (td->o.loops) { | |
918 | td->o.loops--; | |
919 | return 1; | |
920 | } | |
921 | ||
5ec10eaa JA |
922 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
923 | + td->io_skip_bytes; | |
492158cf JA |
924 | if (io_done < td->o.size) |
925 | return 1; | |
926 | ||
927 | return 0; | |
928 | } | |
929 | ||
b29ee5b3 | 930 | static void reset_io_counters(struct thread_data *td) |
ebac4655 | 931 | { |
756867bd | 932 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 933 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 934 | td->zone_bytes = 0; |
581e7141 JA |
935 | td->rate_bytes[0] = td->rate_bytes[1] = 0; |
936 | td->rate_blocks[0] = td->rate_blocks[1] = 0; | |
ebac4655 | 937 | |
c1324df1 JA |
938 | td->last_was_sync = 0; |
939 | ||
2ba1c290 JA |
940 | /* |
941 | * reset file done count if we are to start over | |
942 | */ | |
943 | if (td->o.time_based || td->o.loops) | |
48f5abd3 | 944 | td->nr_done_files = 0; |
5bfc35d7 JA |
945 | |
946 | /* | |
947 | * Set the same seed to get repeatable runs | |
948 | */ | |
949 | td_fill_rand_seeds(td); | |
b29ee5b3 JA |
950 | } |
951 | ||
952 | void reset_all_stats(struct thread_data *td) | |
953 | { | |
954 | struct timeval tv; | |
955 | int i; | |
956 | ||
957 | reset_io_counters(td); | |
958 | ||
959 | for (i = 0; i < 2; i++) { | |
960 | td->io_bytes[i] = 0; | |
961 | td->io_blocks[i] = 0; | |
962 | td->io_issues[i] = 0; | |
963 | td->ts.total_io_u[i] = 0; | |
964 | } | |
965 | ||
966 | fio_gettime(&tv, NULL); | |
967 | memcpy(&td->epoch, &tv, sizeof(tv)); | |
968 | memcpy(&td->start, &tv, sizeof(tv)); | |
969 | } | |
970 | ||
df9c26b1 | 971 | static void clear_io_state(struct thread_data *td) |
b29ee5b3 JA |
972 | { |
973 | struct fio_file *f; | |
974 | unsigned int i; | |
b29ee5b3 JA |
975 | |
976 | reset_io_counters(td); | |
281f9b63 | 977 | |
24ffd2c2 | 978 | close_files(td); |
df9c26b1 | 979 | for_each_file(td, f, i) |
d6aed795 | 980 | fio_file_clear_done(f); |
ebac4655 JA |
981 | } |
982 | ||
398e8c4d JA |
983 | static int exec_string(const char *string) |
984 | { | |
985 | int ret, newlen = strlen(string) + 1 + 8; | |
986 | char *str; | |
987 | ||
988 | str = malloc(newlen); | |
989 | sprintf(str, "sh -c %s", string); | |
990 | ||
991 | ret = system(str); | |
992 | if (ret == -1) | |
993 | log_err("fio: exec of cmd <%s> failed\n", str); | |
994 | ||
995 | free(str); | |
996 | return ret; | |
997 | } | |
998 | ||
906c8d75 JA |
999 | /* |
1000 | * Entry point for the thread based jobs. The process based jobs end up | |
1001 | * here as well, after a little setup. | |
1002 | */ | |
ebac4655 JA |
1003 | static void *thread_main(void *data) |
1004 | { | |
10927316 | 1005 | unsigned long long runtime[2], elapsed; |
ebac4655 | 1006 | struct thread_data *td = data; |
e8462bd8 | 1007 | pthread_condattr_t attr; |
a978ba68 | 1008 | int clear_state; |
ebac4655 | 1009 | |
2dc1bbeb | 1010 | if (!td->o.use_thread) |
ebac4655 JA |
1011 | setsid(); |
1012 | ||
1013 | td->pid = getpid(); | |
1014 | ||
5921e80c | 1015 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
ee56ad50 | 1016 | |
01743ee1 JA |
1017 | INIT_FLIST_HEAD(&td->io_u_freelist); |
1018 | INIT_FLIST_HEAD(&td->io_u_busylist); | |
1019 | INIT_FLIST_HEAD(&td->io_u_requeues); | |
1020 | INIT_FLIST_HEAD(&td->io_log_list); | |
1021 | INIT_FLIST_HEAD(&td->io_hist_list); | |
e8462bd8 JA |
1022 | INIT_FLIST_HEAD(&td->verify_list); |
1023 | pthread_mutex_init(&td->io_u_lock, NULL); | |
bb5d7d0b | 1024 | td->io_hist_tree = RB_ROOT; |
aea47d44 | 1025 | |
e8462bd8 JA |
1026 | pthread_condattr_init(&attr); |
1027 | pthread_cond_init(&td->verify_cond, &attr); | |
1028 | pthread_cond_init(&td->free_cond, &attr); | |
1029 | ||
db1cd90b | 1030 | td_set_runstate(td, TD_INITIALIZED); |
29adda3c | 1031 | dprint(FD_MUTEX, "up startup_mutex\n"); |
cdd18ad8 | 1032 | fio_mutex_up(startup_mutex); |
29adda3c | 1033 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
cdd18ad8 | 1034 | fio_mutex_down(td->mutex); |
29adda3c | 1035 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
db1cd90b JA |
1036 | |
1037 | /* | |
cdd18ad8 | 1038 | * the ->mutex mutex is now no longer used, close it to avoid |
db1cd90b JA |
1039 | * eating a file descriptor |
1040 | */ | |
cdd18ad8 | 1041 | fio_mutex_remove(td->mutex); |
db1cd90b | 1042 | |
d84f8d49 JA |
1043 | /* |
1044 | * May alter parameters that init_io_u() will use, so we need to | |
1045 | * do this first. | |
1046 | */ | |
1047 | if (init_iolog(td)) | |
1048 | goto err; | |
1049 | ||
ebac4655 | 1050 | if (init_io_u(td)) |
db1cd90b | 1051 | goto err; |
ebac4655 | 1052 | |
e8462bd8 JA |
1053 | if (td->o.verify_async && verify_async_init(td)) |
1054 | goto err; | |
1055 | ||
1056 | if (td->o.cpumask_set && fio_setaffinity(td->pid, td->o.cpumask) == -1) { | |
e1161c32 | 1057 | td_verror(td, errno, "cpu_set_affinity"); |
db1cd90b | 1058 | goto err; |
ebac4655 JA |
1059 | } |
1060 | ||
f484470b JA |
1061 | /* |
1062 | * If we have a gettimeofday() thread, make sure we exclude that | |
1063 | * thread from this job | |
1064 | */ | |
be4ecfdf | 1065 | if (td->o.gtod_cpu) { |
be4ecfdf | 1066 | fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu); |
e8462bd8 | 1067 | if (fio_setaffinity(td->pid, td->o.cpumask) == -1) { |
be4ecfdf JA |
1068 | td_verror(td, errno, "cpu_set_affinity"); |
1069 | goto err; | |
1070 | } | |
1071 | } | |
1072 | ||
ac684785 | 1073 | if (td->ioprio_set) { |
ebac4655 | 1074 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
e1161c32 | 1075 | td_verror(td, errno, "ioprio_set"); |
db1cd90b | 1076 | goto err; |
ebac4655 JA |
1077 | } |
1078 | } | |
1079 | ||
dae5341c | 1080 | if (td->o.cgroup_weight && cgroup_setup(td, cgroup_list)) |
a696fa2a JA |
1081 | goto err; |
1082 | ||
2dc1bbeb | 1083 | if (nice(td->o.nice) == -1) { |
e1161c32 | 1084 | td_verror(td, errno, "nice"); |
db1cd90b | 1085 | goto err; |
b6f4d880 JA |
1086 | } |
1087 | ||
2dc1bbeb | 1088 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
db1cd90b | 1089 | goto err; |
37f56873 | 1090 | |
2dc1bbeb | 1091 | if (!td->o.create_serialize && setup_files(td)) |
ebac4655 JA |
1092 | goto err; |
1093 | ||
7d6c5283 JA |
1094 | if (td_io_init(td)) |
1095 | goto err; | |
1096 | ||
68727076 JA |
1097 | if (init_random_map(td)) |
1098 | goto err; | |
1099 | ||
2dc1bbeb | 1100 | if (td->o.exec_prerun) { |
398e8c4d | 1101 | if (exec_string(td->o.exec_prerun)) |
69cfd7e0 JA |
1102 | goto err; |
1103 | } | |
4e0ba8af | 1104 | |
afad68f7 ZY |
1105 | if (td->o.pre_read) { |
1106 | if (pre_read_files(td) < 0) | |
1107 | goto err; | |
1108 | } | |
1109 | ||
69008999 | 1110 | fio_gettime(&td->epoch, NULL); |
756867bd | 1111 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 JA |
1112 | |
1113 | runtime[0] = runtime[1] = 0; | |
a978ba68 | 1114 | clear_state = 0; |
492158cf | 1115 | while (keep_running(td)) { |
02bcaa8c | 1116 | fio_gettime(&td->start, NULL); |
c5d3d790 JA |
1117 | memcpy(&td->ts.stat_sample_time[0], &td->start, |
1118 | sizeof(td->start)); | |
1119 | memcpy(&td->ts.stat_sample_time[1], &td->start, | |
1120 | sizeof(td->start)); | |
993bf48b | 1121 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
ebac4655 | 1122 | |
cf2dd8d6 | 1123 | if (td->o.ratemin[0] || td->o.ratemin[1]) |
5ec10eaa JA |
1124 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
1125 | sizeof(td->lastrate)); | |
ebac4655 | 1126 | |
df9c26b1 JA |
1127 | if (clear_state) |
1128 | clear_io_state(td); | |
a978ba68 | 1129 | |
ebac4655 JA |
1130 | prune_io_piece_log(td); |
1131 | ||
ba0fbe10 | 1132 | do_io(td); |
ebac4655 | 1133 | |
a978ba68 JA |
1134 | clear_state = 1; |
1135 | ||
38d77cae | 1136 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
0a4957c6 | 1137 | elapsed = utime_since_now(&td->start); |
38d77cae JA |
1138 | runtime[DDIR_READ] += elapsed; |
1139 | } | |
1140 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { | |
0a4957c6 | 1141 | elapsed = utime_since_now(&td->start); |
38d77cae JA |
1142 | runtime[DDIR_WRITE] += elapsed; |
1143 | } | |
5ec10eaa | 1144 | |
ebac4655 JA |
1145 | if (td->error || td->terminate) |
1146 | break; | |
1147 | ||
e84c73a8 SL |
1148 | if (!td->o.do_verify || |
1149 | td->o.verify == VERIFY_NONE || | |
b67740d3 | 1150 | (td->io_ops->flags & FIO_UNIDIR)) |
ebac4655 JA |
1151 | continue; |
1152 | ||
df9c26b1 | 1153 | clear_io_state(td); |
a978ba68 | 1154 | |
02bcaa8c | 1155 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
1156 | |
1157 | do_verify(td); | |
1158 | ||
69008999 | 1159 | runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
1160 | |
1161 | if (td->error || td->terminate) | |
1162 | break; | |
1163 | } | |
1164 | ||
36dff966 | 1165 | update_rusage_stat(td); |
47f0cc48 YHJT |
1166 | td->ts.runtime[0] = (runtime[0] + 999) / 1000; |
1167 | td->ts.runtime[1] = (runtime[1] + 999) / 1000; | |
756867bd JA |
1168 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
1169 | td->ts.io_bytes[0] = td->io_bytes[0]; | |
1170 | td->ts.io_bytes[1] = td->io_bytes[1]; | |
1171 | ||
d2bbb8d9 | 1172 | fio_mutex_down(writeout_mutex); |
e3cedca7 | 1173 | if (td->ts.bw_log) { |
f484470b JA |
1174 | if (td->o.bw_log_file) { |
1175 | finish_log_named(td, td->ts.bw_log, | |
1176 | td->o.bw_log_file, "bw"); | |
1177 | } else | |
e3cedca7 JA |
1178 | finish_log(td, td->ts.bw_log, "bw"); |
1179 | } | |
1180 | if (td->ts.slat_log) { | |
f484470b JA |
1181 | if (td->o.lat_log_file) { |
1182 | finish_log_named(td, td->ts.slat_log, | |
1ca95738 | 1183 | td->o.lat_log_file, "slat"); |
f484470b | 1184 | } else |
e3cedca7 JA |
1185 | finish_log(td, td->ts.slat_log, "slat"); |
1186 | } | |
1187 | if (td->ts.clat_log) { | |
f484470b JA |
1188 | if (td->o.lat_log_file) { |
1189 | finish_log_named(td, td->ts.clat_log, | |
1190 | td->o.lat_log_file, "clat"); | |
1191 | } else | |
e3cedca7 JA |
1192 | finish_log(td, td->ts.clat_log, "clat"); |
1193 | } | |
d2bbb8d9 | 1194 | fio_mutex_up(writeout_mutex); |
398e8c4d JA |
1195 | if (td->o.exec_postrun) |
1196 | exec_string(td->o.exec_postrun); | |
ebac4655 JA |
1197 | |
1198 | if (exitall_on_terminate) | |
390c40e2 | 1199 | terminate_threads(td->groupid); |
ebac4655 JA |
1200 | |
1201 | err: | |
5bf13a5a | 1202 | if (td->error) |
5921e80c | 1203 | printf("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, |
5ec10eaa | 1204 | td->verror); |
b4707ed7 JA |
1205 | |
1206 | if (td->o.verify_async) | |
1207 | verify_async_exit(td); | |
1208 | ||
24ffd2c2 | 1209 | close_and_free_files(td); |
2866c82d | 1210 | close_ioengine(td); |
ebac4655 | 1211 | cleanup_io_u(td); |
a696fa2a | 1212 | cgroup_shutdown(td); |
f29b25a3 | 1213 | |
d2ce18b5 JA |
1214 | if (td->o.cpumask_set) { |
1215 | int ret = fio_cpuset_exit(&td->o.cpumask); | |
1216 | ||
1217 | td_verror(td, ret, "fio_cpuset_exit"); | |
1218 | } | |
4e78e405 | 1219 | |
f29b25a3 JA |
1220 | /* |
1221 | * do this very late, it will log file closing as well | |
1222 | */ | |
1223 | if (td->o.write_iolog_file) | |
1224 | write_iolog_close(td); | |
1225 | ||
d23bb327 | 1226 | options_mem_free(td); |
ebac4655 | 1227 | td_set_runstate(td, TD_EXITED); |
43d76807 | 1228 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
1229 | } |
1230 | ||
906c8d75 JA |
1231 | /* |
1232 | * We cannot pass the td data into a forked process, so attach the td and | |
1233 | * pass it to the thread worker. | |
1234 | */ | |
a6418147 | 1235 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
1236 | { |
1237 | struct thread_data *td; | |
a6418147 | 1238 | void *data, *ret; |
ebac4655 JA |
1239 | |
1240 | data = shmat(shmid, NULL, 0); | |
1241 | if (data == (void *) -1) { | |
a6418147 JA |
1242 | int __err = errno; |
1243 | ||
ebac4655 | 1244 | perror("shmat"); |
a6418147 | 1245 | return __err; |
ebac4655 JA |
1246 | } |
1247 | ||
1248 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 1249 | ret = thread_main(td); |
ebac4655 | 1250 | shmdt(data); |
43d76807 | 1251 | return (int) (unsigned long) ret; |
ebac4655 JA |
1252 | } |
1253 | ||
906c8d75 JA |
1254 | /* |
1255 | * Run over the job map and reap the threads that have exited, if any. | |
1256 | */ | |
ebac4655 JA |
1257 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
1258 | { | |
34572e28 | 1259 | struct thread_data *td; |
1f809d15 | 1260 | int i, cputhreads, realthreads, pending, status, ret; |
ebac4655 JA |
1261 | |
1262 | /* | |
1263 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1264 | */ | |
1f809d15 | 1265 | realthreads = pending = cputhreads = 0; |
34572e28 | 1266 | for_each_td(td, i) { |
3707f45b | 1267 | int flags = 0; |
a2f77c9f | 1268 | |
84585003 JA |
1269 | /* |
1270 | * ->io_ops is NULL for a thread that has closed its | |
1271 | * io engine | |
1272 | */ | |
ba0fbe10 | 1273 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 | 1274 | cputhreads++; |
1f809d15 JA |
1275 | else |
1276 | realthreads++; | |
b990b5c0 | 1277 | |
a1dedc1f AC |
1278 | if (!td->pid) { |
1279 | pending++; | |
1280 | continue; | |
1281 | } | |
1282 | if (td->runstate == TD_REAPED) | |
a2f77c9f | 1283 | continue; |
2dc1bbeb | 1284 | if (td->o.use_thread) { |
3707f45b JA |
1285 | if (td->runstate == TD_EXITED) { |
1286 | td_set_runstate(td, TD_REAPED); | |
1287 | goto reaped; | |
1288 | } | |
1289 | continue; | |
1290 | } | |
a2f77c9f JA |
1291 | |
1292 | flags = WNOHANG; | |
1293 | if (td->runstate == TD_EXITED) | |
1294 | flags = 0; | |
1295 | ||
1296 | /* | |
1297 | * check if someone quit or got killed in an unusual way | |
1298 | */ | |
1299 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 1300 | if (ret < 0) { |
a2f77c9f | 1301 | if (errno == ECHILD) { |
5921e80c JA |
1302 | log_err("fio: pid=%d disappeared %d\n", |
1303 | (int) td->pid, td->runstate); | |
a2f77c9f JA |
1304 | td_set_runstate(td, TD_REAPED); |
1305 | goto reaped; | |
1306 | } | |
1307 | perror("waitpid"); | |
1308 | } else if (ret == td->pid) { | |
1309 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
1310 | int sig = WTERMSIG(status); |
1311 | ||
d9244941 | 1312 | if (sig != SIGQUIT) |
5ec10eaa | 1313 | log_err("fio: pid=%d, got signal=%d\n", |
5921e80c | 1314 | (int) td->pid, sig); |
fab6aa71 JA |
1315 | td_set_runstate(td, TD_REAPED); |
1316 | goto reaped; | |
1317 | } | |
a2f77c9f JA |
1318 | if (WIFEXITED(status)) { |
1319 | if (WEXITSTATUS(status) && !td->error) | |
1320 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 1321 | |
a2f77c9f JA |
1322 | td_set_runstate(td, TD_REAPED); |
1323 | goto reaped; | |
a6418147 JA |
1324 | } |
1325 | } | |
ebac4655 | 1326 | |
a2f77c9f JA |
1327 | /* |
1328 | * thread is not dead, continue | |
1329 | */ | |
e48676ba | 1330 | pending++; |
a2f77c9f | 1331 | continue; |
fab6aa71 | 1332 | reaped: |
ebac4655 | 1333 | (*nr_running)--; |
581e7141 JA |
1334 | (*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]); |
1335 | (*t_rate) -= (td->o.rate[0] + td->o.rate[1]); | |
6f88bcb0 JA |
1336 | if (!td->pid) |
1337 | pending--; | |
a2f77c9f JA |
1338 | |
1339 | if (td->error) | |
1340 | exit_value++; | |
d3eeeabc JA |
1341 | |
1342 | done_secs += mtime_since_now(&td->epoch) / 1000; | |
ebac4655 | 1343 | } |
b990b5c0 | 1344 | |
1f809d15 | 1345 | if (*nr_running == cputhreads && !pending && realthreads) |
390c40e2 | 1346 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
1347 | } |
1348 | ||
be4ecfdf JA |
1349 | static void *gtod_thread_main(void *data) |
1350 | { | |
1351 | fio_mutex_up(startup_mutex); | |
1352 | ||
1353 | /* | |
1354 | * As long as we have jobs around, update the clock. It would be nice | |
1355 | * to have some way of NOT hammering that CPU with gettimeofday(), | |
1356 | * but I'm not sure what to use outside of a simple CPU nop to relax | |
1357 | * it - we don't want to lose precision. | |
1358 | */ | |
1359 | while (threads) { | |
1360 | fio_gtod_update(); | |
1361 | nop; | |
1362 | } | |
1363 | ||
1364 | return NULL; | |
1365 | } | |
1366 | ||
1367 | static int fio_start_gtod_thread(void) | |
1368 | { | |
f42c153d JA |
1369 | int ret; |
1370 | ||
1371 | ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL); | |
1372 | if (ret) { | |
1373 | log_err("Can't create gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1374 | return 1; |
1375 | } | |
f42c153d JA |
1376 | |
1377 | ret = pthread_detach(gtod_thread); | |
1378 | if (ret) { | |
1379 | log_err("Can't detatch gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1380 | return 1; |
1381 | } | |
1382 | ||
29adda3c | 1383 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
be4ecfdf | 1384 | fio_mutex_down(startup_mutex); |
29adda3c | 1385 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
be4ecfdf JA |
1386 | return 0; |
1387 | } | |
1388 | ||
906c8d75 JA |
1389 | /* |
1390 | * Main function for kicking off and reaping jobs, as needed. | |
1391 | */ | |
ebac4655 JA |
1392 | static void run_threads(void) |
1393 | { | |
ebac4655 JA |
1394 | struct thread_data *td; |
1395 | unsigned long spent; | |
1396 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 1397 | |
2f9ade3c JA |
1398 | if (fio_pin_memory()) |
1399 | return; | |
ebac4655 | 1400 | |
be4ecfdf JA |
1401 | if (fio_gtod_offload && fio_start_gtod_thread()) |
1402 | return; | |
1403 | ||
c6ae0a5b | 1404 | if (!terse_output) { |
9cedf167 JA |
1405 | printf("Starting "); |
1406 | if (nr_thread) | |
5ec10eaa JA |
1407 | printf("%d thread%s", nr_thread, |
1408 | nr_thread > 1 ? "s" : ""); | |
9cedf167 JA |
1409 | if (nr_process) { |
1410 | if (nr_thread) | |
1411 | printf(" and "); | |
5ec10eaa JA |
1412 | printf("%d process%s", nr_process, |
1413 | nr_process > 1 ? "es" : ""); | |
9cedf167 JA |
1414 | } |
1415 | printf("\n"); | |
c6ae0a5b JA |
1416 | fflush(stdout); |
1417 | } | |
c04f7ec3 | 1418 | |
697a606c | 1419 | set_sig_handlers(); |
4efa970e | 1420 | |
ebac4655 JA |
1421 | todo = thread_number; |
1422 | nr_running = 0; | |
1423 | nr_started = 0; | |
1424 | m_rate = t_rate = 0; | |
1425 | ||
34572e28 | 1426 | for_each_td(td, i) { |
263e529f | 1427 | print_status_init(td->thread_number - 1); |
ebac4655 | 1428 | |
2dc1bbeb | 1429 | if (!td->o.create_serialize) { |
380cf265 | 1430 | init_disk_util(td); |
ebac4655 | 1431 | continue; |
380cf265 | 1432 | } |
ebac4655 JA |
1433 | |
1434 | /* | |
1435 | * do file setup here so it happens sequentially, | |
1436 | * we don't want X number of threads getting their | |
1437 | * client data interspersed on disk | |
1438 | */ | |
53cdc686 | 1439 | if (setup_files(td)) { |
5bf13a5a JA |
1440 | exit_value++; |
1441 | if (td->error) | |
5921e80c JA |
1442 | log_err("fio: pid=%d, err=%d/%s\n", |
1443 | (int) td->pid, td->error, td->verror); | |
ebac4655 JA |
1444 | td_set_runstate(td, TD_REAPED); |
1445 | todo--; | |
c69e8875 JA |
1446 | } else { |
1447 | struct fio_file *f; | |
1448 | unsigned int i; | |
1449 | ||
1450 | /* | |
1451 | * for sharing to work, each job must always open | |
1452 | * its own files. so close them, if we opened them | |
1453 | * for creation | |
1454 | */ | |
22a57ba8 JA |
1455 | for_each_file(td, f, i) { |
1456 | if (fio_file_open(f)) | |
1457 | td_io_close_file(td, f); | |
22a57ba8 | 1458 | } |
5ec10eaa | 1459 | } |
380cf265 JA |
1460 | |
1461 | init_disk_util(td); | |
ebac4655 JA |
1462 | } |
1463 | ||
a2f77c9f JA |
1464 | set_genesis_time(); |
1465 | ||
ebac4655 | 1466 | while (todo) { |
75154845 JA |
1467 | struct thread_data *map[MAX_JOBS]; |
1468 | struct timeval this_start; | |
1469 | int this_jobs = 0, left; | |
1470 | ||
ebac4655 JA |
1471 | /* |
1472 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1473 | */ | |
34572e28 | 1474 | for_each_td(td, i) { |
ebac4655 JA |
1475 | if (td->runstate != TD_NOT_CREATED) |
1476 | continue; | |
1477 | ||
1478 | /* | |
1479 | * never got a chance to start, killed by other | |
1480 | * thread for some reason | |
1481 | */ | |
1482 | if (td->terminate) { | |
1483 | todo--; | |
1484 | continue; | |
1485 | } | |
1486 | ||
2dc1bbeb | 1487 | if (td->o.start_delay) { |
263e529f | 1488 | spent = mtime_since_genesis(); |
ebac4655 | 1489 | |
2dc1bbeb | 1490 | if (td->o.start_delay * 1000 > spent) |
ebac4655 JA |
1491 | continue; |
1492 | } | |
1493 | ||
6f88bcb0 JA |
1494 | if (td->o.stonewall && (nr_started || nr_running)) { |
1495 | dprint(FD_PROCESS, "%s: stonewall wait\n", | |
1496 | td->o.name); | |
ebac4655 | 1497 | break; |
6f88bcb0 | 1498 | } |
ebac4655 | 1499 | |
75154845 JA |
1500 | /* |
1501 | * Set state to created. Thread will transition | |
1502 | * to TD_INITIALIZED when it's done setting up. | |
1503 | */ | |
ebac4655 | 1504 | td_set_runstate(td, TD_CREATED); |
75154845 | 1505 | map[this_jobs++] = td; |
ebac4655 JA |
1506 | nr_started++; |
1507 | ||
2dc1bbeb | 1508 | if (td->o.use_thread) { |
f42c153d JA |
1509 | int ret; |
1510 | ||
ee56ad50 | 1511 | dprint(FD_PROCESS, "will pthread_create\n"); |
f42c153d JA |
1512 | ret = pthread_create(&td->thread, NULL, |
1513 | thread_main, td); | |
1514 | if (ret) { | |
1515 | log_err("pthread_create: %s\n", | |
1516 | strerror(ret)); | |
ebac4655 | 1517 | nr_started--; |
c8bb6faf | 1518 | break; |
ebac4655 | 1519 | } |
f42c153d JA |
1520 | ret = pthread_detach(td->thread); |
1521 | if (ret) | |
1522 | log_err("pthread_detach: %s", | |
1523 | strerror(ret)); | |
ebac4655 | 1524 | } else { |
5e1d306e | 1525 | pid_t pid; |
ee56ad50 | 1526 | dprint(FD_PROCESS, "will fork\n"); |
5e1d306e JA |
1527 | pid = fork(); |
1528 | if (!pid) { | |
a6418147 JA |
1529 | int ret = fork_main(shm_id, i); |
1530 | ||
5e1d306e JA |
1531 | _exit(ret); |
1532 | } else if (i == fio_debug_jobno) | |
1533 | *fio_debug_jobp = pid; | |
ebac4655 | 1534 | } |
29adda3c | 1535 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
656b1393 JA |
1536 | if (fio_mutex_down_timeout(startup_mutex, 10)) { |
1537 | log_err("fio: job startup hung? exiting.\n"); | |
1538 | terminate_threads(TERMINATE_ALL); | |
1539 | fio_abort = 1; | |
1540 | nr_started--; | |
1541 | break; | |
1542 | } | |
29adda3c | 1543 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
ebac4655 JA |
1544 | } |
1545 | ||
1546 | /* | |
75154845 JA |
1547 | * Wait for the started threads to transition to |
1548 | * TD_INITIALIZED. | |
ebac4655 | 1549 | */ |
02bcaa8c | 1550 | fio_gettime(&this_start, NULL); |
75154845 | 1551 | left = this_jobs; |
6ce15a32 | 1552 | while (left && !fio_abort) { |
75154845 JA |
1553 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1554 | break; | |
1555 | ||
1556 | usleep(100000); | |
1557 | ||
1558 | for (i = 0; i < this_jobs; i++) { | |
1559 | td = map[i]; | |
1560 | if (!td) | |
1561 | continue; | |
b6f4d880 | 1562 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1563 | map[i] = NULL; |
1564 | left--; | |
b6f4d880 JA |
1565 | } else if (td->runstate >= TD_EXITED) { |
1566 | map[i] = NULL; | |
1567 | left--; | |
1568 | todo--; | |
1569 | nr_running++; /* work-around... */ | |
75154845 JA |
1570 | } |
1571 | } | |
1572 | } | |
1573 | ||
1574 | if (left) { | |
3b70d7e5 | 1575 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1576 | for (i = 0; i < this_jobs; i++) { |
1577 | td = map[i]; | |
1578 | if (!td) | |
1579 | continue; | |
1580 | kill(td->pid, SIGTERM); | |
1581 | } | |
1582 | break; | |
1583 | } | |
1584 | ||
1585 | /* | |
b6f4d880 | 1586 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1587 | */ |
34572e28 | 1588 | for_each_td(td, i) { |
75154845 | 1589 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1590 | continue; |
1591 | ||
b29ee5b3 JA |
1592 | if (in_ramp_time(td)) |
1593 | td_set_runstate(td, TD_RAMP); | |
1594 | else | |
1595 | td_set_runstate(td, TD_RUNNING); | |
ebac4655 JA |
1596 | nr_running++; |
1597 | nr_started--; | |
581e7141 JA |
1598 | m_rate += td->o.ratemin[0] + td->o.ratemin[1]; |
1599 | t_rate += td->o.rate[0] + td->o.rate[1]; | |
75154845 | 1600 | todo--; |
cdd18ad8 | 1601 | fio_mutex_up(td->mutex); |
ebac4655 JA |
1602 | } |
1603 | ||
1604 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1605 | ||
1606 | if (todo) | |
1607 | usleep(100000); | |
1608 | } | |
1609 | ||
1610 | while (nr_running) { | |
1611 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1612 | usleep(10000); | |
1613 | } | |
1614 | ||
1615 | update_io_ticks(); | |
2f9ade3c | 1616 | fio_unpin_memory(); |
ebac4655 JA |
1617 | } |
1618 | ||
ebac4655 JA |
1619 | int main(int argc, char *argv[]) |
1620 | { | |
29d610e1 JA |
1621 | long ps; |
1622 | ||
2e5cdb11 JA |
1623 | sinit(); |
1624 | ||
dbe1125e JA |
1625 | /* |
1626 | * We need locale for number printing, if it isn't set then just | |
1627 | * go with the US format. | |
1628 | */ | |
1629 | if (!getenv("LC_NUMERIC")) | |
1630 | setlocale(LC_NUMERIC, "en_US"); | |
1631 | ||
29d610e1 JA |
1632 | ps = sysconf(_SC_PAGESIZE); |
1633 | if (ps < 0) { | |
1634 | log_err("Failed to get page size\n"); | |
1635 | return 1; | |
1636 | } | |
1637 | ||
cfc99db7 | 1638 | page_size = ps; |
29d610e1 JA |
1639 | page_mask = ps - 1; |
1640 | ||
74929ac2 JA |
1641 | fio_keywords_init(); |
1642 | ||
1643 | if (parse_options(argc, argv)) | |
1644 | return 1; | |
1645 | ||
1646 | if (!thread_number) | |
1647 | return 0; | |
1648 | ||
bb3884d8 JA |
1649 | if (write_bw_log) { |
1650 | setup_log(&agg_io_log[DDIR_READ]); | |
1651 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1652 | } | |
1653 | ||
cdd18ad8 | 1654 | startup_mutex = fio_mutex_init(0); |
d2bbb8d9 | 1655 | writeout_mutex = fio_mutex_init(1); |
07739b57 | 1656 | |
a2f77c9f JA |
1657 | set_genesis_time(); |
1658 | ||
ccb0fa24 | 1659 | status_timer_arm(); |
ebac4655 | 1660 | |
dae5341c JA |
1661 | cgroup_list = smalloc(sizeof(*cgroup_list)); |
1662 | INIT_FLIST_HEAD(cgroup_list); | |
1663 | ||
ebac4655 | 1664 | run_threads(); |
6ce15a32 | 1665 | |
bb3884d8 | 1666 | if (!fio_abort) { |
6ce15a32 | 1667 | show_run_stats(); |
bb3884d8 | 1668 | if (write_bw_log) { |
5ec10eaa JA |
1669 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
1670 | __finish_log(agg_io_log[DDIR_WRITE], | |
1671 | "agg-write_bw.log"); | |
bb3884d8 JA |
1672 | } |
1673 | } | |
ebac4655 | 1674 | |
dae5341c JA |
1675 | cgroup_kill(cgroup_list); |
1676 | sfree(cgroup_list); | |
39f22027 | 1677 | |
cdd18ad8 | 1678 | fio_mutex_remove(startup_mutex); |
d2bbb8d9 | 1679 | fio_mutex_remove(writeout_mutex); |
437c9b71 | 1680 | return exit_value; |
ebac4655 | 1681 | } |