Commit | Line | Data |
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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> | |
9b836561 | 27 | #include <limits.h> |
ebac4655 JA |
28 | #include <signal.h> |
29 | #include <time.h> | |
dbe1125e | 30 | #include <locale.h> |
36167d82 | 31 | #include <assert.h> |
a5b01f1b | 32 | #include <time.h> |
ebac4655 JA |
33 | #include <sys/stat.h> |
34 | #include <sys/wait.h> | |
35 | #include <sys/ipc.h> | |
36 | #include <sys/shm.h> | |
ebac4655 JA |
37 | #include <sys/mman.h> |
38 | ||
39 | #include "fio.h" | |
210f43b3 | 40 | #include "hash.h" |
2e5cdb11 | 41 | #include "smalloc.h" |
4f5af7b2 | 42 | #include "verify.h" |
a917a8b3 | 43 | #include "trim.h" |
7c9b1bce | 44 | #include "diskutil.h" |
a696fa2a | 45 | #include "cgroup.h" |
07b3232d | 46 | #include "profile.h" |
d54a144d | 47 | #include "lib/rand.h" |
91aea6ec | 48 | #include "memalign.h" |
ebac4655 | 49 | |
cfc99db7 JA |
50 | unsigned long page_mask; |
51 | unsigned long page_size; | |
d529ee19 JA |
52 | |
53 | #define PAGE_ALIGN(buf) \ | |
29d610e1 | 54 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) |
ebac4655 JA |
55 | |
56 | int groupid = 0; | |
57 | int thread_number = 0; | |
9cedf167 JA |
58 | int nr_process = 0; |
59 | int nr_thread = 0; | |
ebac4655 | 60 | int shm_id = 0; |
53cdc686 | 61 | int temp_stall_ts; |
d3eeeabc | 62 | unsigned long done_secs = 0; |
ebac4655 | 63 | |
cdd18ad8 | 64 | static struct fio_mutex *startup_mutex; |
d2bbb8d9 | 65 | static struct fio_mutex *writeout_mutex; |
6ce15a32 | 66 | static volatile int fio_abort; |
437c9b71 | 67 | static int exit_value; |
be4ecfdf | 68 | static pthread_t gtod_thread; |
7985701b | 69 | static pthread_t disk_util_thread; |
dae5341c | 70 | static struct flist_head *cgroup_list; |
6adb38a1 | 71 | static char *cgroup_mnt; |
ebac4655 | 72 | |
bb3884d8 JA |
73 | struct io_log *agg_io_log[2]; |
74 | ||
ebac4655 | 75 | #define TERMINATE_ALL (-1) |
75154845 | 76 | #define JOB_START_TIMEOUT (5 * 1000) |
ebac4655 | 77 | |
b29ee5b3 | 78 | void td_set_runstate(struct thread_data *td, int runstate) |
6ce15a32 | 79 | { |
d8fab1b6 JA |
80 | if (td->runstate == runstate) |
81 | return; | |
82 | ||
5921e80c JA |
83 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
84 | td->runstate, runstate); | |
6ce15a32 JA |
85 | td->runstate = runstate; |
86 | } | |
87 | ||
390c40e2 | 88 | static void terminate_threads(int group_id) |
ebac4655 | 89 | { |
34572e28 | 90 | struct thread_data *td; |
ebac4655 JA |
91 | int i; |
92 | ||
6f88bcb0 JA |
93 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
94 | ||
34572e28 | 95 | for_each_td(td, i) { |
ebac4655 | 96 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
6f88bcb0 | 97 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
5921e80c | 98 | td->o.name, (int) td->pid); |
ad830ed7 JA |
99 | td->terminate = 1; |
100 | td->o.start_delay = 0; | |
101 | ||
7a93ab19 JA |
102 | /* |
103 | * if the thread is running, just let it exit | |
104 | */ | |
f097728b | 105 | if (td->runstate < TD_RAMP) |
03e20d68 | 106 | kill(td->pid, SIGTERM); |
f63f7f3b JA |
107 | else { |
108 | struct ioengine_ops *ops = td->io_ops; | |
109 | ||
03e20d68 BC |
110 | if (ops && (ops->flags & FIO_SIGTERM)) |
111 | kill(td->pid, SIGTERM); | |
f63f7f3b | 112 | } |
ebac4655 JA |
113 | } |
114 | } | |
115 | } | |
116 | ||
697a606c JA |
117 | static void sig_int(int sig) |
118 | { | |
119 | if (threads) { | |
4ceb30d4 | 120 | log_info("\nfio: terminating on signal %d\n", sig); |
5ec10eaa | 121 | fflush(stdout); |
deaa1af2 | 122 | exit_value = 128; |
5ec10eaa | 123 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
124 | } |
125 | } | |
126 | ||
7985701b | 127 | static void *disk_thread_main(void *data) |
a5b01f1b | 128 | { |
7985701b JA |
129 | fio_mutex_up(startup_mutex); |
130 | ||
131 | while (threads) { | |
132 | usleep(DISK_UTIL_MSEC * 1000); | |
9a793c2f JA |
133 | if (!threads) |
134 | break; | |
7985701b JA |
135 | update_io_ticks(); |
136 | print_thread_status(); | |
137 | } | |
138 | ||
139 | return NULL; | |
a5b01f1b JA |
140 | } |
141 | ||
7985701b | 142 | static int create_disk_util_thread(void) |
a5b01f1b | 143 | { |
7985701b | 144 | int ret; |
a5b01f1b | 145 | |
69204d6e | 146 | ret = pthread_create(&disk_util_thread, NULL, disk_thread_main, NULL); |
7985701b JA |
147 | if (ret) { |
148 | log_err("Can't create disk util thread: %s\n", strerror(ret)); | |
149 | return 1; | |
150 | } | |
a5b01f1b | 151 | |
7985701b JA |
152 | ret = pthread_detach(disk_util_thread); |
153 | if (ret) { | |
154 | log_err("Can't detatch disk util thread: %s\n", strerror(ret)); | |
155 | return 1; | |
156 | } | |
03e20d68 | 157 | |
7985701b JA |
158 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
159 | fio_mutex_down(startup_mutex); | |
160 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); | |
161 | return 0; | |
a5b01f1b JA |
162 | } |
163 | ||
697a606c JA |
164 | static void set_sig_handlers(void) |
165 | { | |
166 | struct sigaction act; | |
167 | ||
697a606c JA |
168 | memset(&act, 0, sizeof(act)); |
169 | act.sa_handler = sig_int; | |
170 | act.sa_flags = SA_RESTART; | |
171 | sigaction(SIGINT, &act, NULL); | |
de79c915 | 172 | |
5f8f9726 | 173 | memset(&act, 0, sizeof(act)); |
b20b6be4 | 174 | act.sa_handler = sig_int; |
5f8f9726 | 175 | act.sa_flags = SA_RESTART; |
03e20d68 | 176 | sigaction(SIGTERM, &act, NULL); |
697a606c JA |
177 | } |
178 | ||
906c8d75 JA |
179 | /* |
180 | * Check if we are above the minimum rate given. | |
181 | */ | |
581e7141 | 182 | static int __check_min_rate(struct thread_data *td, struct timeval *now, |
bd93e34b | 183 | enum fio_ddir ddir) |
ebac4655 | 184 | { |
0904200b | 185 | unsigned long long bytes = 0; |
4e991c23 | 186 | unsigned long iops = 0; |
ebac4655 JA |
187 | unsigned long spent; |
188 | unsigned long rate; | |
581e7141 JA |
189 | unsigned int ratemin = 0; |
190 | unsigned int rate_iops = 0; | |
191 | unsigned int rate_iops_min = 0; | |
ebac4655 | 192 | |
ff58fced JA |
193 | assert(ddir_rw(ddir)); |
194 | ||
d982d873 JA |
195 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) |
196 | return 0; | |
197 | ||
ebac4655 JA |
198 | /* |
199 | * allow a 2 second settle period in the beginning | |
200 | */ | |
201 | if (mtime_since(&td->start, now) < 2000) | |
202 | return 0; | |
203 | ||
581e7141 JA |
204 | iops += td->io_blocks[ddir]; |
205 | bytes += td->this_io_bytes[ddir]; | |
206 | ratemin += td->o.ratemin[ddir]; | |
207 | rate_iops += td->o.rate_iops[ddir]; | |
208 | rate_iops_min += td->o.rate_iops_min[ddir]; | |
0904200b | 209 | |
ebac4655 JA |
210 | /* |
211 | * if rate blocks is set, sample is running | |
212 | */ | |
581e7141 JA |
213 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
214 | spent = mtime_since(&td->lastrate[ddir], now); | |
2dc1bbeb | 215 | if (spent < td->o.ratecycle) |
ebac4655 JA |
216 | return 0; |
217 | ||
581e7141 | 218 | if (td->o.rate[ddir]) { |
4e991c23 JA |
219 | /* |
220 | * check bandwidth specified rate | |
221 | */ | |
581e7141 | 222 | if (bytes < td->rate_bytes[ddir]) { |
5ec10eaa | 223 | log_err("%s: min rate %u not met\n", td->o.name, |
581e7141 | 224 | ratemin); |
4e991c23 JA |
225 | return 1; |
226 | } else { | |
581e7141 JA |
227 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
228 | if (rate < ratemin || | |
229 | bytes < td->rate_bytes[ddir]) { | |
5ec10eaa | 230 | log_err("%s: min rate %u not met, got" |
b22989b9 | 231 | " %luKB/sec\n", td->o.name, |
581e7141 | 232 | ratemin, rate); |
4e991c23 JA |
233 | return 1; |
234 | } | |
235 | } | |
413dd459 | 236 | } else { |
4e991c23 JA |
237 | /* |
238 | * checks iops specified rate | |
239 | */ | |
581e7141 | 240 | if (iops < rate_iops) { |
5ec10eaa | 241 | log_err("%s: min iops rate %u not met\n", |
581e7141 | 242 | td->o.name, rate_iops); |
413dd459 | 243 | return 1; |
4e991c23 | 244 | } else { |
581e7141 JA |
245 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
246 | if (rate < rate_iops_min || | |
247 | iops < td->rate_blocks[ddir]) { | |
5ec10eaa JA |
248 | log_err("%s: min iops rate %u not met," |
249 | " got %lu\n", td->o.name, | |
581e7141 | 250 | rate_iops_min, rate); |
4e991c23 | 251 | } |
413dd459 | 252 | } |
ebac4655 JA |
253 | } |
254 | } | |
255 | ||
581e7141 JA |
256 | td->rate_bytes[ddir] = bytes; |
257 | td->rate_blocks[ddir] = iops; | |
258 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); | |
ebac4655 JA |
259 | return 0; |
260 | } | |
261 | ||
581e7141 JA |
262 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
263 | unsigned long *bytes_done) | |
264 | { | |
265 | int ret = 0; | |
266 | ||
267 | if (bytes_done[0]) | |
268 | ret |= __check_min_rate(td, now, 0); | |
269 | if (bytes_done[1]) | |
270 | ret |= __check_min_rate(td, now, 1); | |
271 | ||
272 | return ret; | |
273 | } | |
274 | ||
ebac4655 JA |
275 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
276 | { | |
2dc1bbeb | 277 | if (!td->o.timeout) |
ebac4655 | 278 | return 0; |
2dc1bbeb | 279 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
ebac4655 JA |
280 | return 1; |
281 | ||
282 | return 0; | |
283 | } | |
284 | ||
906c8d75 JA |
285 | /* |
286 | * When job exits, we can cancel the in-flight IO if we are using async | |
287 | * io. Attempt to do so. | |
288 | */ | |
ebac4655 JA |
289 | static void cleanup_pending_aio(struct thread_data *td) |
290 | { | |
01743ee1 | 291 | struct flist_head *entry, *n; |
ebac4655 JA |
292 | struct io_u *io_u; |
293 | int r; | |
294 | ||
295 | /* | |
296 | * get immediately available events, if any | |
297 | */ | |
581e7141 | 298 | r = io_u_queued_complete(td, 0, NULL); |
b2fdda43 JA |
299 | if (r < 0) |
300 | return; | |
ebac4655 JA |
301 | |
302 | /* | |
303 | * now cancel remaining active events | |
304 | */ | |
2866c82d | 305 | if (td->io_ops->cancel) { |
01743ee1 JA |
306 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
307 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 308 | |
0c6e7517 JA |
309 | /* |
310 | * if the io_u isn't in flight, then that generally | |
311 | * means someone leaked an io_u. complain but fix | |
312 | * it up, so we don't stall here. | |
313 | */ | |
314 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { | |
315 | log_err("fio: non-busy IO on busy list\n"); | |
ebac4655 | 316 | put_io_u(td, io_u); |
0c6e7517 JA |
317 | } else { |
318 | r = td->io_ops->cancel(td, io_u); | |
319 | if (!r) | |
320 | put_io_u(td, io_u); | |
321 | } | |
ebac4655 JA |
322 | } |
323 | } | |
324 | ||
97601024 | 325 | if (td->cur_depth) |
581e7141 | 326 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
ebac4655 JA |
327 | } |
328 | ||
858a3d47 JA |
329 | /* |
330 | * Helper to handle the final sync of a file. Works just like the normal | |
331 | * io path, just does everything sync. | |
332 | */ | |
333 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) | |
334 | { | |
335 | struct io_u *io_u = __get_io_u(td); | |
858a3d47 JA |
336 | int ret; |
337 | ||
338 | if (!io_u) | |
339 | return 1; | |
340 | ||
341 | io_u->ddir = DDIR_SYNC; | |
342 | io_u->file = f; | |
343 | ||
344 | if (td_io_prep(td, io_u)) { | |
345 | put_io_u(td, io_u); | |
346 | return 1; | |
347 | } | |
348 | ||
755200a3 | 349 | requeue: |
858a3d47 | 350 | ret = td_io_queue(td, io_u); |
36167d82 | 351 | if (ret < 0) { |
e1161c32 | 352 | td_verror(td, io_u->error, "td_io_queue"); |
858a3d47 | 353 | put_io_u(td, io_u); |
858a3d47 | 354 | return 1; |
36167d82 | 355 | } else if (ret == FIO_Q_QUEUED) { |
581e7141 | 356 | if (io_u_queued_complete(td, 1, NULL) < 0) |
36167d82 | 357 | return 1; |
36167d82 JA |
358 | } else if (ret == FIO_Q_COMPLETED) { |
359 | if (io_u->error) { | |
e1161c32 | 360 | td_verror(td, io_u->error, "td_io_queue"); |
36167d82 JA |
361 | return 1; |
362 | } | |
858a3d47 | 363 | |
581e7141 | 364 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
b2fdda43 | 365 | return 1; |
755200a3 JA |
366 | } else if (ret == FIO_Q_BUSY) { |
367 | if (td_io_commit(td)) | |
368 | return 1; | |
369 | goto requeue; | |
858a3d47 JA |
370 | } |
371 | ||
372 | return 0; | |
373 | } | |
374 | ||
687c6a23 JA |
375 | static inline void __update_tv_cache(struct thread_data *td) |
376 | { | |
377 | fio_gettime(&td->tv_cache, NULL); | |
378 | } | |
379 | ||
993bf48b JA |
380 | static inline void update_tv_cache(struct thread_data *td) |
381 | { | |
382 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) | |
687c6a23 | 383 | __update_tv_cache(td); |
993bf48b JA |
384 | } |
385 | ||
f2bba182 RR |
386 | static int break_on_this_error(struct thread_data *td, int *retptr) |
387 | { | |
388 | int ret = *retptr; | |
389 | ||
390 | if (ret < 0 || td->error) { | |
391 | int err; | |
392 | ||
1ec99eea JA |
393 | if (!td->o.continue_on_error) |
394 | return 1; | |
f2bba182 RR |
395 | |
396 | if (ret < 0) | |
397 | err = -ret; | |
398 | else | |
399 | err = td->error; | |
400 | ||
f2bba182 RR |
401 | if (td_non_fatal_error(err)) { |
402 | /* | |
403 | * Continue with the I/Os in case of | |
404 | * a non fatal error. | |
405 | */ | |
8a4f8a24 | 406 | update_error_count(td, err); |
f2bba182 RR |
407 | td_clear_error(td); |
408 | *retptr = 0; | |
409 | return 0; | |
8a4f8a24 RR |
410 | } else if (td->o.fill_device && err == ENOSPC) { |
411 | /* | |
412 | * We expect to hit this error if | |
413 | * fill_device option is set. | |
414 | */ | |
415 | td_clear_error(td); | |
416 | td->terminate = 1; | |
417 | return 1; | |
f2bba182 RR |
418 | } else { |
419 | /* | |
420 | * Stop the I/O in case of a fatal | |
421 | * error. | |
422 | */ | |
8a4f8a24 | 423 | update_error_count(td, err); |
f2bba182 RR |
424 | return 1; |
425 | } | |
426 | } | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
906c8d75 | 431 | /* |
34403fb1 | 432 | * The main verify engine. Runs over the writes we previously submitted, |
906c8d75 JA |
433 | * reads the blocks back in, and checks the crc/md5 of the data. |
434 | */ | |
1e97cce9 | 435 | static void do_verify(struct thread_data *td) |
ebac4655 | 436 | { |
53cdc686 | 437 | struct fio_file *f; |
36167d82 | 438 | struct io_u *io_u; |
af52b345 JA |
439 | int ret, min_events; |
440 | unsigned int i; | |
e5b401d4 | 441 | |
008618a8 JA |
442 | dprint(FD_VERIFY, "starting loop\n"); |
443 | ||
e5b401d4 JA |
444 | /* |
445 | * sync io first and invalidate cache, to make sure we really | |
446 | * read from disk. | |
447 | */ | |
448 | for_each_file(td, f, i) { | |
d6aed795 | 449 | if (!fio_file_open(f)) |
3d7b485f | 450 | continue; |
b2fdda43 JA |
451 | if (fio_io_sync(td, f)) |
452 | break; | |
453 | if (file_invalidate_cache(td, f)) | |
454 | break; | |
e5b401d4 | 455 | } |
ebac4655 | 456 | |
b2fdda43 JA |
457 | if (td->error) |
458 | return; | |
459 | ||
ebac4655 JA |
460 | td_set_runstate(td, TD_VERIFYING); |
461 | ||
36167d82 JA |
462 | io_u = NULL; |
463 | while (!td->terminate) { | |
4950421a | 464 | int ret2, full; |
5451792e | 465 | |
993bf48b JA |
466 | update_tv_cache(td); |
467 | ||
468 | if (runtime_exceeded(td, &td->tv_cache)) { | |
687c6a23 JA |
469 | __update_tv_cache(td); |
470 | if (runtime_exceeded(td, &td->tv_cache)) { | |
471 | td->terminate = 1; | |
472 | break; | |
473 | } | |
069c2918 | 474 | } |
02bcaa8c | 475 | |
dcb4830d RR |
476 | io_u = __get_io_u(td); |
477 | if (!io_u) | |
478 | break; | |
479 | ||
069c2918 JA |
480 | if (get_next_verify(td, io_u)) { |
481 | put_io_u(td, io_u); | |
ebac4655 | 482 | break; |
069c2918 | 483 | } |
ebac4655 | 484 | |
069c2918 JA |
485 | if (td_io_prep(td, io_u)) { |
486 | put_io_u(td, io_u); | |
53cdc686 | 487 | break; |
069c2918 | 488 | } |
d7762cf8 | 489 | |
e8462bd8 JA |
490 | if (td->o.verify_async) |
491 | io_u->end_io = verify_io_u_async; | |
492 | else | |
493 | io_u->end_io = verify_io_u; | |
53cdc686 | 494 | |
11786802 | 495 | ret = td_io_queue(td, io_u); |
36167d82 JA |
496 | switch (ret) { |
497 | case FIO_Q_COMPLETED: | |
f2bba182 | 498 | if (io_u->error) { |
22819ec2 | 499 | ret = -io_u->error; |
f2bba182 RR |
500 | clear_io_u(td, io_u); |
501 | } else if (io_u->resid) { | |
36167d82 | 502 | int bytes = io_u->xfer_buflen - io_u->resid; |
ebac4655 | 503 | |
9e9d164e JA |
504 | /* |
505 | * zero read, fail | |
506 | */ | |
507 | if (!bytes) { | |
41d9f0fd | 508 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
509 | put_io_u(td, io_u); |
510 | break; | |
511 | } | |
8400d9b2 | 512 | |
36167d82 JA |
513 | io_u->xfer_buflen = io_u->resid; |
514 | io_u->xfer_buf += bytes; | |
8400d9b2 JA |
515 | io_u->offset += bytes; |
516 | ||
ff58fced JA |
517 | if (ddir_rw(io_u->ddir)) |
518 | td->ts.short_io_u[io_u->ddir]++; | |
30061b97 | 519 | |
2b13e716 | 520 | f = io_u->file; |
d460eb31 | 521 | if (io_u->offset == f->real_file_size) |
8400d9b2 JA |
522 | goto sync_done; |
523 | ||
11786802 JA |
524 | requeue_io_u(td, &io_u); |
525 | } else { | |
8400d9b2 | 526 | sync_done: |
581e7141 | 527 | ret = io_u_sync_complete(td, io_u, NULL); |
11786802 JA |
528 | if (ret < 0) |
529 | break; | |
36167d82 | 530 | } |
36167d82 JA |
531 | continue; |
532 | case FIO_Q_QUEUED: | |
533 | break; | |
755200a3 JA |
534 | case FIO_Q_BUSY: |
535 | requeue_io_u(td, &io_u); | |
5451792e JA |
536 | ret2 = td_io_commit(td); |
537 | if (ret2 < 0) | |
538 | ret = ret2; | |
755200a3 | 539 | break; |
36167d82 JA |
540 | default: |
541 | assert(ret < 0); | |
e1161c32 | 542 | td_verror(td, -ret, "td_io_queue"); |
ebac4655 JA |
543 | break; |
544 | } | |
545 | ||
f2bba182 | 546 | if (break_on_this_error(td, &ret)) |
3af6ef39 JA |
547 | break; |
548 | ||
ebac4655 | 549 | /* |
3af6ef39 JA |
550 | * if we can queue more, do so. but check if there are |
551 | * completed io_u's first. | |
ebac4655 | 552 | */ |
4950421a JA |
553 | full = queue_full(td) || ret == FIO_Q_BUSY; |
554 | if (full || !td->o.iodepth_batch_complete) { | |
6a96276c RR |
555 | min_events = min(td->o.iodepth_batch_complete, |
556 | td->cur_depth); | |
4950421a | 557 | if (full && !min_events) |
838bc709 | 558 | min_events = 1; |
e916b390 | 559 | |
4950421a JA |
560 | do { |
561 | /* | |
562 | * Reap required number of io units, if any, | |
563 | * and do the verification on them through | |
564 | * the callback handler | |
565 | */ | |
581e7141 | 566 | if (io_u_queued_complete(td, min_events, NULL) < 0) { |
4950421a JA |
567 | ret = -1; |
568 | break; | |
569 | } | |
570 | } while (full && (td->cur_depth > td->o.iodepth_low)); | |
571 | } | |
572 | if (ret < 0) | |
ebac4655 | 573 | break; |
36167d82 | 574 | } |
ebac4655 | 575 | |
c01c0395 JA |
576 | if (!td->error) { |
577 | min_events = td->cur_depth; | |
578 | ||
579 | if (min_events) | |
581e7141 | 580 | ret = io_u_queued_complete(td, min_events, NULL); |
c01c0395 | 581 | } else |
ebac4655 JA |
582 | cleanup_pending_aio(td); |
583 | ||
584 | td_set_runstate(td, TD_RUNNING); | |
008618a8 JA |
585 | |
586 | dprint(FD_VERIFY, "exiting loop\n"); | |
ebac4655 JA |
587 | } |
588 | ||
32cd46a0 | 589 | /* |
906c8d75 | 590 | * Main IO worker function. It retrieves io_u's to process and queues |
32cd46a0 JA |
591 | * and reaps them, checking for rate and errors along the way. |
592 | */ | |
ebac4655 JA |
593 | static void do_io(struct thread_data *td) |
594 | { | |
af52b345 JA |
595 | unsigned int i; |
596 | int ret = 0; | |
ebac4655 | 597 | |
b29ee5b3 JA |
598 | if (in_ramp_time(td)) |
599 | td_set_runstate(td, TD_RAMP); | |
600 | else | |
601 | td_set_runstate(td, TD_RUNNING); | |
5853e5a8 | 602 | |
457bf399 | 603 | while ( (td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || |
a917a8b3 | 604 | (!flist_empty(&td->trim_list)) || |
457bf399 | 605 | ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) ) { |
97601024 | 606 | struct timeval comp_time; |
581e7141 | 607 | unsigned long bytes_done[2] = { 0, 0 }; |
84585003 | 608 | int min_evts = 0; |
ebac4655 | 609 | struct io_u *io_u; |
4950421a | 610 | int ret2, full; |
ebac4655 JA |
611 | |
612 | if (td->terminate) | |
613 | break; | |
614 | ||
993bf48b | 615 | update_tv_cache(td); |
97601024 | 616 | |
993bf48b | 617 | if (runtime_exceeded(td, &td->tv_cache)) { |
687c6a23 JA |
618 | __update_tv_cache(td); |
619 | if (runtime_exceeded(td, &td->tv_cache)) { | |
620 | td->terminate = 1; | |
621 | break; | |
622 | } | |
97601024 | 623 | } |
36167d82 | 624 | |
dcb4830d RR |
625 | io_u = get_io_u(td); |
626 | if (!io_u) | |
627 | break; | |
628 | ||
b67740d3 JA |
629 | /* |
630 | * Add verification end_io handler, if asked to verify | |
631 | * a previously written file. | |
632 | */ | |
715d2b3e JA |
633 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ && |
634 | !td_rw(td)) { | |
e8462bd8 JA |
635 | if (td->o.verify_async) |
636 | io_u->end_io = verify_io_u_async; | |
637 | else | |
638 | io_u->end_io = verify_io_u; | |
d8fab1b6 | 639 | td_set_runstate(td, TD_VERIFYING); |
b29ee5b3 JA |
640 | } else if (in_ramp_time(td)) |
641 | td_set_runstate(td, TD_RAMP); | |
642 | else | |
d8fab1b6 | 643 | td_set_runstate(td, TD_RUNNING); |
b67740d3 | 644 | |
11786802 | 645 | ret = td_io_queue(td, io_u); |
36167d82 JA |
646 | switch (ret) { |
647 | case FIO_Q_COMPLETED: | |
f2bba182 | 648 | if (io_u->error) { |
5451792e | 649 | ret = -io_u->error; |
f2bba182 RR |
650 | clear_io_u(td, io_u); |
651 | } else if (io_u->resid) { | |
36167d82 | 652 | int bytes = io_u->xfer_buflen - io_u->resid; |
d460eb31 | 653 | struct fio_file *f = io_u->file; |
36167d82 | 654 | |
9e9d164e JA |
655 | /* |
656 | * zero read, fail | |
657 | */ | |
658 | if (!bytes) { | |
41d9f0fd | 659 | td_verror(td, EIO, "full resid"); |
9e9d164e JA |
660 | put_io_u(td, io_u); |
661 | break; | |
662 | } | |
663 | ||
cec6b55d | 664 | io_u->xfer_buflen = io_u->resid; |
36167d82 | 665 | io_u->xfer_buf += bytes; |
5a7c5680 JA |
666 | io_u->offset += bytes; |
667 | ||
ff58fced JA |
668 | if (ddir_rw(io_u->ddir)) |
669 | td->ts.short_io_u[io_u->ddir]++; | |
30061b97 | 670 | |
d460eb31 | 671 | if (io_u->offset == f->real_file_size) |
5a7c5680 JA |
672 | goto sync_done; |
673 | ||
11786802 JA |
674 | requeue_io_u(td, &io_u); |
675 | } else { | |
5a7c5680 | 676 | sync_done: |
581e7141 JA |
677 | if (__should_check_rate(td, 0) || |
678 | __should_check_rate(td, 1)) | |
993bf48b JA |
679 | fio_gettime(&comp_time, NULL); |
680 | ||
581e7141 JA |
681 | ret = io_u_sync_complete(td, io_u, bytes_done); |
682 | if (ret < 0) | |
683 | break; | |
cec6b55d | 684 | } |
36167d82 JA |
685 | break; |
686 | case FIO_Q_QUEUED: | |
7e77dd02 JA |
687 | /* |
688 | * if the engine doesn't have a commit hook, | |
689 | * the io_u is really queued. if it does have such | |
690 | * a hook, it has to call io_u_queued() itself. | |
691 | */ | |
692 | if (td->io_ops->commit == NULL) | |
693 | io_u_queued(td, io_u); | |
36167d82 | 694 | break; |
755200a3 JA |
695 | case FIO_Q_BUSY: |
696 | requeue_io_u(td, &io_u); | |
5451792e JA |
697 | ret2 = td_io_commit(td); |
698 | if (ret2 < 0) | |
699 | ret = ret2; | |
755200a3 | 700 | break; |
36167d82 JA |
701 | default: |
702 | assert(ret < 0); | |
703 | put_io_u(td, io_u); | |
704 | break; | |
ebac4655 JA |
705 | } |
706 | ||
f2bba182 | 707 | if (break_on_this_error(td, &ret)) |
36167d82 JA |
708 | break; |
709 | ||
97601024 JA |
710 | /* |
711 | * See if we need to complete some commands | |
712 | */ | |
4950421a JA |
713 | full = queue_full(td) || ret == FIO_Q_BUSY; |
714 | if (full || !td->o.iodepth_batch_complete) { | |
6a96276c RR |
715 | min_evts = min(td->o.iodepth_batch_complete, |
716 | td->cur_depth); | |
4950421a | 717 | if (full && !min_evts) |
36167d82 | 718 | min_evts = 1; |
4950421a | 719 | |
581e7141 JA |
720 | if (__should_check_rate(td, 0) || |
721 | __should_check_rate(td, 1)) | |
993bf48b | 722 | fio_gettime(&comp_time, NULL); |
4950421a JA |
723 | |
724 | do { | |
581e7141 JA |
725 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
726 | if (ret < 0) | |
4950421a JA |
727 | break; |
728 | ||
4950421a | 729 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
ebac4655 JA |
730 | } |
731 | ||
4950421a JA |
732 | if (ret < 0) |
733 | break; | |
581e7141 | 734 | if (!(bytes_done[0] + bytes_done[1])) |
97601024 JA |
735 | continue; |
736 | ||
581e7141 JA |
737 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
738 | if (check_min_rate(td, &comp_time, bytes_done)) { | |
721938ae JA |
739 | if (exitall_on_terminate) |
740 | terminate_threads(td->groupid); | |
741 | td_verror(td, EIO, "check_min_rate"); | |
742 | break; | |
743 | } | |
ebac4655 JA |
744 | } |
745 | ||
2dc1bbeb | 746 | if (td->o.thinktime) { |
9c1f7434 JA |
747 | unsigned long long b; |
748 | ||
749 | b = td->io_blocks[0] + td->io_blocks[1]; | |
2dc1bbeb | 750 | if (!(b % td->o.thinktime_blocks)) { |
48097d5c JA |
751 | int left; |
752 | ||
2dc1bbeb | 753 | if (td->o.thinktime_spin) |
6dd6f2cd | 754 | usec_spin(td->o.thinktime_spin); |
48097d5c | 755 | |
2dc1bbeb | 756 | left = td->o.thinktime - td->o.thinktime_spin; |
48097d5c JA |
757 | if (left) |
758 | usec_sleep(td, left); | |
759 | } | |
9c1f7434 | 760 | } |
ebac4655 JA |
761 | } |
762 | ||
d708ac5e JA |
763 | if (td->trim_entries) |
764 | printf("trim entries %ld\n", td->trim_entries); | |
a917a8b3 | 765 | |
aa31f1f1 SL |
766 | if (td->o.fill_device && td->error == ENOSPC) { |
767 | td->error = 0; | |
768 | td->terminate = 1; | |
769 | } | |
4d2413c6 | 770 | if (!td->error) { |
3d7c391d JA |
771 | struct fio_file *f; |
772 | ||
c01c0395 | 773 | i = td->cur_depth; |
d06093e7 | 774 | if (i) { |
581e7141 | 775 | ret = io_u_queued_complete(td, i, NULL); |
d06093e7 SL |
776 | if (td->o.fill_device && td->error == ENOSPC) |
777 | td->error = 0; | |
778 | } | |
ebac4655 | 779 | |
2dc1bbeb | 780 | if (should_fsync(td) && td->o.end_fsync) { |
84585003 | 781 | td_set_runstate(td, TD_FSYNCING); |
3d7b485f JA |
782 | |
783 | for_each_file(td, f, i) { | |
d6aed795 | 784 | if (!fio_file_open(f)) |
3d7b485f | 785 | continue; |
858a3d47 | 786 | fio_io_sync(td, f); |
3d7b485f | 787 | } |
84585003 | 788 | } |
c01c0395 JA |
789 | } else |
790 | cleanup_pending_aio(td); | |
2ba1c290 JA |
791 | |
792 | /* | |
793 | * stop job if we failed doing any IO | |
794 | */ | |
795 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) | |
796 | td->done = 1; | |
ebac4655 JA |
797 | } |
798 | ||
ebac4655 JA |
799 | static void cleanup_io_u(struct thread_data *td) |
800 | { | |
01743ee1 | 801 | struct flist_head *entry, *n; |
ebac4655 JA |
802 | struct io_u *io_u; |
803 | ||
01743ee1 JA |
804 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
805 | io_u = flist_entry(entry, struct io_u, list); | |
ebac4655 | 806 | |
01743ee1 | 807 | flist_del(&io_u->list); |
91aea6ec | 808 | fio_memfree(io_u, sizeof(*io_u)); |
ebac4655 JA |
809 | } |
810 | ||
2f9ade3c | 811 | free_io_mem(td); |
ebac4655 JA |
812 | } |
813 | ||
814 | static int init_io_u(struct thread_data *td) | |
815 | { | |
816 | struct io_u *io_u; | |
a00735e6 | 817 | unsigned int max_bs; |
eb7ccf38 | 818 | int cl_align, i, max_units; |
ebac4655 JA |
819 | char *p; |
820 | ||
1e3c09af | 821 | max_units = td->o.iodepth; |
2dc1bbeb | 822 | max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]); |
5ec10eaa JA |
823 | td->orig_buffer_size = (unsigned long long) max_bs |
824 | * (unsigned long long) max_units; | |
825 | ||
826 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { | |
827 | unsigned long bs; | |
74b025b0 | 828 | |
5ec10eaa JA |
829 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
830 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); | |
831 | } | |
ebac4655 | 832 | |
c3990645 JA |
833 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
834 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); | |
835 | return 1; | |
836 | } | |
837 | ||
2f9ade3c JA |
838 | if (allocate_io_mem(td)) |
839 | return 1; | |
ebac4655 | 840 | |
1c04bf78 JA |
841 | if (td->o.odirect || td->o.mem_align || |
842 | (td->io_ops->flags & FIO_RAWIO)) | |
d529ee19 | 843 | p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align; |
b3f378e9 JA |
844 | else |
845 | p = td->orig_buffer; | |
846 | ||
eb7ccf38 JA |
847 | cl_align = os_cache_line_size(); |
848 | ||
ebac4655 | 849 | for (i = 0; i < max_units; i++) { |
eb7ccf38 JA |
850 | void *ptr; |
851 | ||
db1cd90b JA |
852 | if (td->terminate) |
853 | return 1; | |
eb7ccf38 | 854 | |
91aea6ec JA |
855 | ptr = fio_memalign(cl_align, sizeof(*io_u)); |
856 | if (!ptr) { | |
857 | log_err("fio: unable to allocate aligned memory\n"); | |
eb7ccf38 JA |
858 | break; |
859 | } | |
860 | ||
861 | io_u = ptr; | |
ebac4655 | 862 | memset(io_u, 0, sizeof(*io_u)); |
01743ee1 | 863 | INIT_FLIST_HEAD(&io_u->list); |
d529ee19 | 864 | dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i); |
ebac4655 | 865 | |
b4c5e1ac JA |
866 | if (!(td->io_ops->flags & FIO_NOIO)) { |
867 | io_u->buf = p + max_bs * i; | |
d529ee19 | 868 | dprint(FD_MEM, "io_u %p, mem %p\n", io_u, io_u->buf); |
e9459e5a | 869 | |
5973cafb JA |
870 | if (td_write(td) && !td->o.refill_buffers) |
871 | io_u_fill_buffer(td, io_u, max_bs); | |
cbe8d756 RR |
872 | else if (td_write(td) && td->o.verify_pattern_bytes) { |
873 | /* | |
874 | * Fill the buffer with the pattern if we are | |
875 | * going to be doing writes. | |
876 | */ | |
7d9fb455 | 877 | fill_pattern(td, io_u->buf, max_bs, io_u, 0, 0); |
cbe8d756 | 878 | } |
b4c5e1ac | 879 | } |
6b9cea23 | 880 | |
b1ff3403 | 881 | io_u->index = i; |
0c6e7517 | 882 | io_u->flags = IO_U_F_FREE; |
01743ee1 | 883 | flist_add(&io_u->list, &td->io_u_freelist); |
ebac4655 JA |
884 | } |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
da86774e JA |
889 | static int switch_ioscheduler(struct thread_data *td) |
890 | { | |
891 | char tmp[256], tmp2[128]; | |
892 | FILE *f; | |
893 | int ret; | |
894 | ||
ba0fbe10 | 895 | if (td->io_ops->flags & FIO_DISKLESSIO) |
f48b467c JA |
896 | return 0; |
897 | ||
da86774e JA |
898 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
899 | ||
900 | f = fopen(tmp, "r+"); | |
901 | if (!f) { | |
cbf5c1d7 | 902 | if (errno == ENOENT) { |
5ec10eaa JA |
903 | log_err("fio: os or kernel doesn't support IO scheduler" |
904 | " switching\n"); | |
cbf5c1d7 JA |
905 | return 0; |
906 | } | |
907 | td_verror(td, errno, "fopen iosched"); | |
da86774e JA |
908 | return 1; |
909 | } | |
910 | ||
911 | /* | |
912 | * Set io scheduler. | |
913 | */ | |
2dc1bbeb | 914 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
da86774e | 915 | if (ferror(f) || ret != 1) { |
e1161c32 | 916 | td_verror(td, errno, "fwrite"); |
da86774e JA |
917 | fclose(f); |
918 | return 1; | |
919 | } | |
920 | ||
921 | rewind(f); | |
922 | ||
923 | /* | |
924 | * Read back and check that the selected scheduler is now the default. | |
925 | */ | |
926 | ret = fread(tmp, 1, sizeof(tmp), f); | |
927 | if (ferror(f) || ret < 0) { | |
e1161c32 | 928 | td_verror(td, errno, "fread"); |
da86774e JA |
929 | fclose(f); |
930 | return 1; | |
931 | } | |
932 | ||
2dc1bbeb | 933 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
da86774e | 934 | if (!strstr(tmp, tmp2)) { |
2dc1bbeb | 935 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
e1161c32 | 936 | td_verror(td, EINVAL, "iosched_switch"); |
da86774e JA |
937 | fclose(f); |
938 | return 1; | |
939 | } | |
940 | ||
941 | fclose(f); | |
942 | return 0; | |
943 | } | |
944 | ||
492158cf JA |
945 | static int keep_running(struct thread_data *td) |
946 | { | |
947 | unsigned long long io_done; | |
948 | ||
20e354ef JA |
949 | if (td->done) |
950 | return 0; | |
492158cf JA |
951 | if (td->o.time_based) |
952 | return 1; | |
953 | if (td->o.loops) { | |
954 | td->o.loops--; | |
955 | return 1; | |
956 | } | |
957 | ||
5ec10eaa JA |
958 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
959 | + td->io_skip_bytes; | |
492158cf JA |
960 | if (io_done < td->o.size) |
961 | return 1; | |
962 | ||
963 | return 0; | |
964 | } | |
965 | ||
b29ee5b3 | 966 | static void reset_io_counters(struct thread_data *td) |
ebac4655 | 967 | { |
756867bd | 968 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
ebac4655 | 969 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
20dc95c4 | 970 | td->zone_bytes = 0; |
581e7141 JA |
971 | td->rate_bytes[0] = td->rate_bytes[1] = 0; |
972 | td->rate_blocks[0] = td->rate_blocks[1] = 0; | |
ebac4655 | 973 | |
c1324df1 JA |
974 | td->last_was_sync = 0; |
975 | ||
2ba1c290 JA |
976 | /* |
977 | * reset file done count if we are to start over | |
978 | */ | |
979 | if (td->o.time_based || td->o.loops) | |
48f5abd3 | 980 | td->nr_done_files = 0; |
b29ee5b3 JA |
981 | } |
982 | ||
983 | void reset_all_stats(struct thread_data *td) | |
984 | { | |
985 | struct timeval tv; | |
986 | int i; | |
987 | ||
988 | reset_io_counters(td); | |
989 | ||
990 | for (i = 0; i < 2; i++) { | |
991 | td->io_bytes[i] = 0; | |
992 | td->io_blocks[i] = 0; | |
993 | td->io_issues[i] = 0; | |
994 | td->ts.total_io_u[i] = 0; | |
995 | } | |
9b836561 | 996 | |
b29ee5b3 | 997 | fio_gettime(&tv, NULL); |
cda99fa0 SSP |
998 | td->ts.runtime[0] = 0; |
999 | td->ts.runtime[1] = 0; | |
b29ee5b3 JA |
1000 | memcpy(&td->epoch, &tv, sizeof(tv)); |
1001 | memcpy(&td->start, &tv, sizeof(tv)); | |
1002 | } | |
1003 | ||
df9c26b1 | 1004 | static void clear_io_state(struct thread_data *td) |
b29ee5b3 JA |
1005 | { |
1006 | struct fio_file *f; | |
1007 | unsigned int i; | |
b29ee5b3 JA |
1008 | |
1009 | reset_io_counters(td); | |
281f9b63 | 1010 | |
24ffd2c2 | 1011 | close_files(td); |
df9c26b1 | 1012 | for_each_file(td, f, i) |
d6aed795 | 1013 | fio_file_clear_done(f); |
f0153948 JA |
1014 | |
1015 | /* | |
1016 | * Set the same seed to get repeatable runs | |
1017 | */ | |
1018 | td_fill_rand_seeds(td); | |
ebac4655 JA |
1019 | } |
1020 | ||
398e8c4d JA |
1021 | static int exec_string(const char *string) |
1022 | { | |
1023 | int ret, newlen = strlen(string) + 1 + 8; | |
1024 | char *str; | |
1025 | ||
1026 | str = malloc(newlen); | |
1027 | sprintf(str, "sh -c %s", string); | |
1028 | ||
1029 | ret = system(str); | |
1030 | if (ret == -1) | |
1031 | log_err("fio: exec of cmd <%s> failed\n", str); | |
1032 | ||
1033 | free(str); | |
1034 | return ret; | |
1035 | } | |
1036 | ||
906c8d75 JA |
1037 | /* |
1038 | * Entry point for the thread based jobs. The process based jobs end up | |
1039 | * here as well, after a little setup. | |
1040 | */ | |
ebac4655 JA |
1041 | static void *thread_main(void *data) |
1042 | { | |
cda99fa0 | 1043 | unsigned long long elapsed; |
ebac4655 | 1044 | struct thread_data *td = data; |
e8462bd8 | 1045 | pthread_condattr_t attr; |
a978ba68 | 1046 | int clear_state; |
ebac4655 | 1047 | |
47f767c1 | 1048 | if (!td->o.use_thread) { |
ebac4655 | 1049 | setsid(); |
47f767c1 JA |
1050 | td->pid = getpid(); |
1051 | } else | |
1052 | td->pid = gettid(); | |
ebac4655 | 1053 | |
5921e80c | 1054 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
ee56ad50 | 1055 | |
01743ee1 JA |
1056 | INIT_FLIST_HEAD(&td->io_u_freelist); |
1057 | INIT_FLIST_HEAD(&td->io_u_busylist); | |
1058 | INIT_FLIST_HEAD(&td->io_u_requeues); | |
1059 | INIT_FLIST_HEAD(&td->io_log_list); | |
1060 | INIT_FLIST_HEAD(&td->io_hist_list); | |
e8462bd8 | 1061 | INIT_FLIST_HEAD(&td->verify_list); |
0d29de83 | 1062 | INIT_FLIST_HEAD(&td->trim_list); |
e8462bd8 | 1063 | pthread_mutex_init(&td->io_u_lock, NULL); |
bb5d7d0b | 1064 | td->io_hist_tree = RB_ROOT; |
aea47d44 | 1065 | |
e8462bd8 JA |
1066 | pthread_condattr_init(&attr); |
1067 | pthread_cond_init(&td->verify_cond, &attr); | |
1068 | pthread_cond_init(&td->free_cond, &attr); | |
1069 | ||
db1cd90b | 1070 | td_set_runstate(td, TD_INITIALIZED); |
29adda3c | 1071 | dprint(FD_MUTEX, "up startup_mutex\n"); |
cdd18ad8 | 1072 | fio_mutex_up(startup_mutex); |
29adda3c | 1073 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
cdd18ad8 | 1074 | fio_mutex_down(td->mutex); |
29adda3c | 1075 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
db1cd90b JA |
1076 | |
1077 | /* | |
cdd18ad8 | 1078 | * the ->mutex mutex is now no longer used, close it to avoid |
db1cd90b JA |
1079 | * eating a file descriptor |
1080 | */ | |
cdd18ad8 | 1081 | fio_mutex_remove(td->mutex); |
db1cd90b | 1082 | |
dfc6e751 SH |
1083 | /* |
1084 | * A new gid requires privilege, so we need to do this before setting | |
1085 | * the uid. | |
1086 | */ | |
e0b0d892 JA |
1087 | if (td->o.gid != -1U && setgid(td->o.gid)) { |
1088 | td_verror(td, errno, "setgid"); | |
1089 | goto err; | |
1090 | } | |
dfc6e751 SH |
1091 | if (td->o.uid != -1U && setuid(td->o.uid)) { |
1092 | td_verror(td, errno, "setuid"); | |
1093 | goto err; | |
1094 | } | |
e0b0d892 | 1095 | |
be18a94f JA |
1096 | /* |
1097 | * If we have a gettimeofday() thread, make sure we exclude that | |
1098 | * thread from this job | |
1099 | */ | |
1100 | if (td->o.gtod_cpu) | |
1101 | fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu); | |
1102 | ||
1103 | /* | |
1104 | * Set affinity first, in case it has an impact on the memory | |
1105 | * allocations. | |
1106 | */ | |
1107 | if (td->o.cpumask_set && fio_setaffinity(td->pid, td->o.cpumask) == -1) { | |
1108 | td_verror(td, errno, "cpu_set_affinity"); | |
1109 | goto err; | |
1110 | } | |
1111 | ||
d84f8d49 JA |
1112 | /* |
1113 | * May alter parameters that init_io_u() will use, so we need to | |
1114 | * do this first. | |
1115 | */ | |
1116 | if (init_iolog(td)) | |
1117 | goto err; | |
1118 | ||
ebac4655 | 1119 | if (init_io_u(td)) |
db1cd90b | 1120 | goto err; |
ebac4655 | 1121 | |
e8462bd8 JA |
1122 | if (td->o.verify_async && verify_async_init(td)) |
1123 | goto err; | |
1124 | ||
ac684785 | 1125 | if (td->ioprio_set) { |
ebac4655 | 1126 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
e1161c32 | 1127 | td_verror(td, errno, "ioprio_set"); |
db1cd90b | 1128 | goto err; |
ebac4655 JA |
1129 | } |
1130 | } | |
1131 | ||
6adb38a1 | 1132 | if (td->o.cgroup_weight && cgroup_setup(td, cgroup_list, &cgroup_mnt)) |
a696fa2a JA |
1133 | goto err; |
1134 | ||
2dc1bbeb | 1135 | if (nice(td->o.nice) == -1) { |
e1161c32 | 1136 | td_verror(td, errno, "nice"); |
db1cd90b | 1137 | goto err; |
b6f4d880 JA |
1138 | } |
1139 | ||
2dc1bbeb | 1140 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
db1cd90b | 1141 | goto err; |
37f56873 | 1142 | |
2dc1bbeb | 1143 | if (!td->o.create_serialize && setup_files(td)) |
ebac4655 JA |
1144 | goto err; |
1145 | ||
7d6c5283 JA |
1146 | if (td_io_init(td)) |
1147 | goto err; | |
1148 | ||
68727076 JA |
1149 | if (init_random_map(td)) |
1150 | goto err; | |
1151 | ||
2dc1bbeb | 1152 | if (td->o.exec_prerun) { |
398e8c4d | 1153 | if (exec_string(td->o.exec_prerun)) |
69cfd7e0 JA |
1154 | goto err; |
1155 | } | |
4e0ba8af | 1156 | |
afad68f7 ZY |
1157 | if (td->o.pre_read) { |
1158 | if (pre_read_files(td) < 0) | |
1159 | goto err; | |
1160 | } | |
1161 | ||
69008999 | 1162 | fio_gettime(&td->epoch, NULL); |
756867bd | 1163 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
69008999 | 1164 | |
a978ba68 | 1165 | clear_state = 0; |
492158cf | 1166 | while (keep_running(td)) { |
02bcaa8c | 1167 | fio_gettime(&td->start, NULL); |
c5d3d790 JA |
1168 | memcpy(&td->ts.stat_sample_time[0], &td->start, |
1169 | sizeof(td->start)); | |
1170 | memcpy(&td->ts.stat_sample_time[1], &td->start, | |
1171 | sizeof(td->start)); | |
993bf48b | 1172 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
ebac4655 | 1173 | |
cf2dd8d6 | 1174 | if (td->o.ratemin[0] || td->o.ratemin[1]) |
5ec10eaa JA |
1175 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
1176 | sizeof(td->lastrate)); | |
ebac4655 | 1177 | |
df9c26b1 JA |
1178 | if (clear_state) |
1179 | clear_io_state(td); | |
a978ba68 | 1180 | |
ebac4655 JA |
1181 | prune_io_piece_log(td); |
1182 | ||
ba0fbe10 | 1183 | do_io(td); |
ebac4655 | 1184 | |
a978ba68 JA |
1185 | clear_state = 1; |
1186 | ||
38d77cae | 1187 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
0a4957c6 | 1188 | elapsed = utime_since_now(&td->start); |
cda99fa0 | 1189 | td->ts.runtime[DDIR_READ] += elapsed; |
38d77cae JA |
1190 | } |
1191 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { | |
0a4957c6 | 1192 | elapsed = utime_since_now(&td->start); |
cda99fa0 | 1193 | td->ts.runtime[DDIR_WRITE] += elapsed; |
38d77cae | 1194 | } |
5ec10eaa | 1195 | |
ebac4655 JA |
1196 | if (td->error || td->terminate) |
1197 | break; | |
1198 | ||
e84c73a8 SL |
1199 | if (!td->o.do_verify || |
1200 | td->o.verify == VERIFY_NONE || | |
b67740d3 | 1201 | (td->io_ops->flags & FIO_UNIDIR)) |
ebac4655 JA |
1202 | continue; |
1203 | ||
df9c26b1 | 1204 | clear_io_state(td); |
a978ba68 | 1205 | |
02bcaa8c | 1206 | fio_gettime(&td->start, NULL); |
ebac4655 JA |
1207 | |
1208 | do_verify(td); | |
1209 | ||
cda99fa0 | 1210 | td->ts.runtime[DDIR_READ] += utime_since_now(&td->start); |
ebac4655 JA |
1211 | |
1212 | if (td->error || td->terminate) | |
1213 | break; | |
1214 | } | |
1215 | ||
36dff966 | 1216 | update_rusage_stat(td); |
cda99fa0 SSP |
1217 | td->ts.runtime[0] = (td->ts.runtime[0] + 999) / 1000; |
1218 | td->ts.runtime[1] = (td->ts.runtime[1] + 999) / 1000; | |
756867bd JA |
1219 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
1220 | td->ts.io_bytes[0] = td->io_bytes[0]; | |
1221 | td->ts.io_bytes[1] = td->io_bytes[1]; | |
1222 | ||
d2bbb8d9 | 1223 | fio_mutex_down(writeout_mutex); |
e3cedca7 | 1224 | if (td->ts.bw_log) { |
f484470b JA |
1225 | if (td->o.bw_log_file) { |
1226 | finish_log_named(td, td->ts.bw_log, | |
1227 | td->o.bw_log_file, "bw"); | |
1228 | } else | |
e3cedca7 JA |
1229 | finish_log(td, td->ts.bw_log, "bw"); |
1230 | } | |
02af0988 JA |
1231 | if (td->ts.lat_log) { |
1232 | if (td->o.lat_log_file) { | |
1233 | finish_log_named(td, td->ts.lat_log, | |
1234 | td->o.lat_log_file, "lat"); | |
1235 | } else | |
1236 | finish_log(td, td->ts.lat_log, "lat"); | |
1237 | } | |
e3cedca7 | 1238 | if (td->ts.slat_log) { |
f484470b JA |
1239 | if (td->o.lat_log_file) { |
1240 | finish_log_named(td, td->ts.slat_log, | |
1ca95738 | 1241 | td->o.lat_log_file, "slat"); |
f484470b | 1242 | } else |
e3cedca7 JA |
1243 | finish_log(td, td->ts.slat_log, "slat"); |
1244 | } | |
1245 | if (td->ts.clat_log) { | |
f484470b JA |
1246 | if (td->o.lat_log_file) { |
1247 | finish_log_named(td, td->ts.clat_log, | |
1248 | td->o.lat_log_file, "clat"); | |
1249 | } else | |
e3cedca7 JA |
1250 | finish_log(td, td->ts.clat_log, "clat"); |
1251 | } | |
d2bbb8d9 | 1252 | fio_mutex_up(writeout_mutex); |
398e8c4d JA |
1253 | if (td->o.exec_postrun) |
1254 | exec_string(td->o.exec_postrun); | |
ebac4655 JA |
1255 | |
1256 | if (exitall_on_terminate) | |
390c40e2 | 1257 | terminate_threads(td->groupid); |
ebac4655 JA |
1258 | |
1259 | err: | |
5bf13a5a | 1260 | if (td->error) |
4ceb30d4 | 1261 | log_info("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, |
5ec10eaa | 1262 | td->verror); |
b4707ed7 JA |
1263 | |
1264 | if (td->o.verify_async) | |
1265 | verify_async_exit(td); | |
1266 | ||
24ffd2c2 | 1267 | close_and_free_files(td); |
2866c82d | 1268 | close_ioengine(td); |
ebac4655 | 1269 | cleanup_io_u(td); |
6adb38a1 | 1270 | cgroup_shutdown(td, &cgroup_mnt); |
f29b25a3 | 1271 | |
d2ce18b5 JA |
1272 | if (td->o.cpumask_set) { |
1273 | int ret = fio_cpuset_exit(&td->o.cpumask); | |
1274 | ||
1275 | td_verror(td, ret, "fio_cpuset_exit"); | |
1276 | } | |
4e78e405 | 1277 | |
f29b25a3 JA |
1278 | /* |
1279 | * do this very late, it will log file closing as well | |
1280 | */ | |
1281 | if (td->o.write_iolog_file) | |
1282 | write_iolog_close(td); | |
1283 | ||
d23bb327 | 1284 | options_mem_free(td); |
ebac4655 | 1285 | td_set_runstate(td, TD_EXITED); |
43d76807 | 1286 | return (void *) (unsigned long) td->error; |
ebac4655 JA |
1287 | } |
1288 | ||
906c8d75 JA |
1289 | /* |
1290 | * We cannot pass the td data into a forked process, so attach the td and | |
1291 | * pass it to the thread worker. | |
1292 | */ | |
a6418147 | 1293 | static int fork_main(int shmid, int offset) |
ebac4655 JA |
1294 | { |
1295 | struct thread_data *td; | |
a6418147 | 1296 | void *data, *ret; |
ebac4655 | 1297 | |
65258961 | 1298 | #ifndef __hpux |
ebac4655 JA |
1299 | data = shmat(shmid, NULL, 0); |
1300 | if (data == (void *) -1) { | |
a6418147 JA |
1301 | int __err = errno; |
1302 | ||
ebac4655 | 1303 | perror("shmat"); |
a6418147 | 1304 | return __err; |
ebac4655 | 1305 | } |
65258961 JA |
1306 | #else |
1307 | /* | |
1308 | * HP-UX inherits shm mappings? | |
1309 | */ | |
1310 | data = threads; | |
1311 | #endif | |
ebac4655 JA |
1312 | |
1313 | td = data + offset * sizeof(struct thread_data); | |
a6418147 | 1314 | ret = thread_main(td); |
ebac4655 | 1315 | shmdt(data); |
43d76807 | 1316 | return (int) (unsigned long) ret; |
ebac4655 JA |
1317 | } |
1318 | ||
906c8d75 JA |
1319 | /* |
1320 | * Run over the job map and reap the threads that have exited, if any. | |
1321 | */ | |
ebac4655 JA |
1322 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
1323 | { | |
34572e28 | 1324 | struct thread_data *td; |
1f809d15 | 1325 | int i, cputhreads, realthreads, pending, status, ret; |
ebac4655 JA |
1326 | |
1327 | /* | |
1328 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
1329 | */ | |
1f809d15 | 1330 | realthreads = pending = cputhreads = 0; |
34572e28 | 1331 | for_each_td(td, i) { |
3707f45b | 1332 | int flags = 0; |
a2f77c9f | 1333 | |
84585003 JA |
1334 | /* |
1335 | * ->io_ops is NULL for a thread that has closed its | |
1336 | * io engine | |
1337 | */ | |
ba0fbe10 | 1338 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
b990b5c0 | 1339 | cputhreads++; |
1f809d15 JA |
1340 | else |
1341 | realthreads++; | |
b990b5c0 | 1342 | |
a1dedc1f AC |
1343 | if (!td->pid) { |
1344 | pending++; | |
1345 | continue; | |
1346 | } | |
1347 | if (td->runstate == TD_REAPED) | |
a2f77c9f | 1348 | continue; |
2dc1bbeb | 1349 | if (td->o.use_thread) { |
3707f45b JA |
1350 | if (td->runstate == TD_EXITED) { |
1351 | td_set_runstate(td, TD_REAPED); | |
1352 | goto reaped; | |
1353 | } | |
1354 | continue; | |
1355 | } | |
a2f77c9f JA |
1356 | |
1357 | flags = WNOHANG; | |
1358 | if (td->runstate == TD_EXITED) | |
1359 | flags = 0; | |
1360 | ||
1361 | /* | |
1362 | * check if someone quit or got killed in an unusual way | |
1363 | */ | |
1364 | ret = waitpid(td->pid, &status, flags); | |
3707f45b | 1365 | if (ret < 0) { |
a2f77c9f | 1366 | if (errno == ECHILD) { |
5921e80c JA |
1367 | log_err("fio: pid=%d disappeared %d\n", |
1368 | (int) td->pid, td->runstate); | |
a2f77c9f JA |
1369 | td_set_runstate(td, TD_REAPED); |
1370 | goto reaped; | |
1371 | } | |
1372 | perror("waitpid"); | |
1373 | } else if (ret == td->pid) { | |
1374 | if (WIFSIGNALED(status)) { | |
fab6aa71 JA |
1375 | int sig = WTERMSIG(status); |
1376 | ||
03e20d68 | 1377 | if (sig != SIGTERM) |
5ec10eaa | 1378 | log_err("fio: pid=%d, got signal=%d\n", |
5921e80c | 1379 | (int) td->pid, sig); |
fab6aa71 JA |
1380 | td_set_runstate(td, TD_REAPED); |
1381 | goto reaped; | |
1382 | } | |
a2f77c9f JA |
1383 | if (WIFEXITED(status)) { |
1384 | if (WEXITSTATUS(status) && !td->error) | |
1385 | td->error = WEXITSTATUS(status); | |
a2f77c9f | 1386 | |
a2f77c9f JA |
1387 | td_set_runstate(td, TD_REAPED); |
1388 | goto reaped; | |
a6418147 JA |
1389 | } |
1390 | } | |
ebac4655 | 1391 | |
a2f77c9f JA |
1392 | /* |
1393 | * thread is not dead, continue | |
1394 | */ | |
e48676ba | 1395 | pending++; |
a2f77c9f | 1396 | continue; |
fab6aa71 | 1397 | reaped: |
ebac4655 | 1398 | (*nr_running)--; |
581e7141 JA |
1399 | (*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]); |
1400 | (*t_rate) -= (td->o.rate[0] + td->o.rate[1]); | |
6f88bcb0 JA |
1401 | if (!td->pid) |
1402 | pending--; | |
a2f77c9f JA |
1403 | |
1404 | if (td->error) | |
1405 | exit_value++; | |
d3eeeabc JA |
1406 | |
1407 | done_secs += mtime_since_now(&td->epoch) / 1000; | |
ebac4655 | 1408 | } |
b990b5c0 | 1409 | |
1f809d15 | 1410 | if (*nr_running == cputhreads && !pending && realthreads) |
390c40e2 | 1411 | terminate_threads(TERMINATE_ALL); |
ebac4655 JA |
1412 | } |
1413 | ||
be4ecfdf JA |
1414 | static void *gtod_thread_main(void *data) |
1415 | { | |
1416 | fio_mutex_up(startup_mutex); | |
1417 | ||
1418 | /* | |
1419 | * As long as we have jobs around, update the clock. It would be nice | |
1420 | * to have some way of NOT hammering that CPU with gettimeofday(), | |
1421 | * but I'm not sure what to use outside of a simple CPU nop to relax | |
1422 | * it - we don't want to lose precision. | |
1423 | */ | |
1424 | while (threads) { | |
1425 | fio_gtod_update(); | |
1426 | nop; | |
1427 | } | |
1428 | ||
1429 | return NULL; | |
1430 | } | |
1431 | ||
1432 | static int fio_start_gtod_thread(void) | |
1433 | { | |
304a47c7 | 1434 | pthread_attr_t attr; |
f42c153d JA |
1435 | int ret; |
1436 | ||
304a47c7 VA |
1437 | pthread_attr_init(&attr); |
1438 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
1439 | ret = pthread_create(>od_thread, &attr, gtod_thread_main, NULL); | |
1440 | pthread_attr_destroy(&attr); | |
f42c153d JA |
1441 | if (ret) { |
1442 | log_err("Can't create gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1443 | return 1; |
1444 | } | |
f42c153d JA |
1445 | |
1446 | ret = pthread_detach(gtod_thread); | |
1447 | if (ret) { | |
1448 | log_err("Can't detatch gtod thread: %s\n", strerror(ret)); | |
be4ecfdf JA |
1449 | return 1; |
1450 | } | |
1451 | ||
29adda3c | 1452 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
be4ecfdf | 1453 | fio_mutex_down(startup_mutex); |
29adda3c | 1454 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
be4ecfdf JA |
1455 | return 0; |
1456 | } | |
1457 | ||
906c8d75 JA |
1458 | /* |
1459 | * Main function for kicking off and reaping jobs, as needed. | |
1460 | */ | |
ebac4655 JA |
1461 | static void run_threads(void) |
1462 | { | |
ebac4655 JA |
1463 | struct thread_data *td; |
1464 | unsigned long spent; | |
1465 | int i, todo, nr_running, m_rate, t_rate, nr_started; | |
fcb6ade2 | 1466 | |
2f9ade3c JA |
1467 | if (fio_pin_memory()) |
1468 | return; | |
ebac4655 | 1469 | |
be4ecfdf JA |
1470 | if (fio_gtod_offload && fio_start_gtod_thread()) |
1471 | return; | |
1472 | ||
c6ae0a5b | 1473 | if (!terse_output) { |
4ceb30d4 | 1474 | log_info("Starting "); |
9cedf167 | 1475 | if (nr_thread) |
4ceb30d4 | 1476 | log_info("%d thread%s", nr_thread, |
5ec10eaa | 1477 | nr_thread > 1 ? "s" : ""); |
9cedf167 JA |
1478 | if (nr_process) { |
1479 | if (nr_thread) | |
1480 | printf(" and "); | |
4ceb30d4 | 1481 | log_info("%d process%s", nr_process, |
5ec10eaa | 1482 | nr_process > 1 ? "es" : ""); |
9cedf167 | 1483 | } |
4ceb30d4 | 1484 | log_info("\n"); |
c6ae0a5b JA |
1485 | fflush(stdout); |
1486 | } | |
c04f7ec3 | 1487 | |
697a606c | 1488 | set_sig_handlers(); |
4efa970e | 1489 | |
ebac4655 JA |
1490 | todo = thread_number; |
1491 | nr_running = 0; | |
1492 | nr_started = 0; | |
1493 | m_rate = t_rate = 0; | |
1494 | ||
34572e28 | 1495 | for_each_td(td, i) { |
263e529f | 1496 | print_status_init(td->thread_number - 1); |
ebac4655 | 1497 | |
2dc1bbeb | 1498 | if (!td->o.create_serialize) { |
380cf265 | 1499 | init_disk_util(td); |
ebac4655 | 1500 | continue; |
380cf265 | 1501 | } |
ebac4655 JA |
1502 | |
1503 | /* | |
1504 | * do file setup here so it happens sequentially, | |
1505 | * we don't want X number of threads getting their | |
1506 | * client data interspersed on disk | |
1507 | */ | |
53cdc686 | 1508 | if (setup_files(td)) { |
5bf13a5a JA |
1509 | exit_value++; |
1510 | if (td->error) | |
5921e80c JA |
1511 | log_err("fio: pid=%d, err=%d/%s\n", |
1512 | (int) td->pid, td->error, td->verror); | |
ebac4655 JA |
1513 | td_set_runstate(td, TD_REAPED); |
1514 | todo--; | |
c69e8875 JA |
1515 | } else { |
1516 | struct fio_file *f; | |
2b13e716 | 1517 | unsigned int j; |
c69e8875 JA |
1518 | |
1519 | /* | |
1520 | * for sharing to work, each job must always open | |
1521 | * its own files. so close them, if we opened them | |
1522 | * for creation | |
1523 | */ | |
2b13e716 | 1524 | for_each_file(td, f, j) { |
22a57ba8 JA |
1525 | if (fio_file_open(f)) |
1526 | td_io_close_file(td, f); | |
22a57ba8 | 1527 | } |
5ec10eaa | 1528 | } |
380cf265 JA |
1529 | |
1530 | init_disk_util(td); | |
ebac4655 JA |
1531 | } |
1532 | ||
a2f77c9f JA |
1533 | set_genesis_time(); |
1534 | ||
ebac4655 | 1535 | while (todo) { |
fca70358 | 1536 | struct thread_data *map[REAL_MAX_JOBS]; |
75154845 JA |
1537 | struct timeval this_start; |
1538 | int this_jobs = 0, left; | |
1539 | ||
ebac4655 JA |
1540 | /* |
1541 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
1542 | */ | |
34572e28 | 1543 | for_each_td(td, i) { |
ebac4655 JA |
1544 | if (td->runstate != TD_NOT_CREATED) |
1545 | continue; | |
1546 | ||
1547 | /* | |
1548 | * never got a chance to start, killed by other | |
1549 | * thread for some reason | |
1550 | */ | |
1551 | if (td->terminate) { | |
1552 | todo--; | |
1553 | continue; | |
1554 | } | |
1555 | ||
2dc1bbeb | 1556 | if (td->o.start_delay) { |
263e529f | 1557 | spent = mtime_since_genesis(); |
ebac4655 | 1558 | |
2dc1bbeb | 1559 | if (td->o.start_delay * 1000 > spent) |
ebac4655 JA |
1560 | continue; |
1561 | } | |
1562 | ||
6f88bcb0 JA |
1563 | if (td->o.stonewall && (nr_started || nr_running)) { |
1564 | dprint(FD_PROCESS, "%s: stonewall wait\n", | |
1565 | td->o.name); | |
ebac4655 | 1566 | break; |
6f88bcb0 | 1567 | } |
ebac4655 | 1568 | |
75154845 JA |
1569 | /* |
1570 | * Set state to created. Thread will transition | |
1571 | * to TD_INITIALIZED when it's done setting up. | |
1572 | */ | |
ebac4655 | 1573 | td_set_runstate(td, TD_CREATED); |
75154845 | 1574 | map[this_jobs++] = td; |
ebac4655 JA |
1575 | nr_started++; |
1576 | ||
2dc1bbeb | 1577 | if (td->o.use_thread) { |
f42c153d JA |
1578 | int ret; |
1579 | ||
ee56ad50 | 1580 | dprint(FD_PROCESS, "will pthread_create\n"); |
f42c153d JA |
1581 | ret = pthread_create(&td->thread, NULL, |
1582 | thread_main, td); | |
1583 | if (ret) { | |
1584 | log_err("pthread_create: %s\n", | |
1585 | strerror(ret)); | |
ebac4655 | 1586 | nr_started--; |
c8bb6faf | 1587 | break; |
ebac4655 | 1588 | } |
f42c153d JA |
1589 | ret = pthread_detach(td->thread); |
1590 | if (ret) | |
1591 | log_err("pthread_detach: %s", | |
1592 | strerror(ret)); | |
ebac4655 | 1593 | } else { |
5e1d306e | 1594 | pid_t pid; |
ee56ad50 | 1595 | dprint(FD_PROCESS, "will fork\n"); |
5e1d306e JA |
1596 | pid = fork(); |
1597 | if (!pid) { | |
a6418147 JA |
1598 | int ret = fork_main(shm_id, i); |
1599 | ||
5e1d306e JA |
1600 | _exit(ret); |
1601 | } else if (i == fio_debug_jobno) | |
1602 | *fio_debug_jobp = pid; | |
ebac4655 | 1603 | } |
29adda3c | 1604 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
656b1393 JA |
1605 | if (fio_mutex_down_timeout(startup_mutex, 10)) { |
1606 | log_err("fio: job startup hung? exiting.\n"); | |
1607 | terminate_threads(TERMINATE_ALL); | |
1608 | fio_abort = 1; | |
1609 | nr_started--; | |
1610 | break; | |
1611 | } | |
29adda3c | 1612 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
ebac4655 JA |
1613 | } |
1614 | ||
1615 | /* | |
75154845 JA |
1616 | * Wait for the started threads to transition to |
1617 | * TD_INITIALIZED. | |
ebac4655 | 1618 | */ |
02bcaa8c | 1619 | fio_gettime(&this_start, NULL); |
75154845 | 1620 | left = this_jobs; |
6ce15a32 | 1621 | while (left && !fio_abort) { |
75154845 JA |
1622 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
1623 | break; | |
1624 | ||
1625 | usleep(100000); | |
1626 | ||
1627 | for (i = 0; i < this_jobs; i++) { | |
1628 | td = map[i]; | |
1629 | if (!td) | |
1630 | continue; | |
b6f4d880 | 1631 | if (td->runstate == TD_INITIALIZED) { |
75154845 JA |
1632 | map[i] = NULL; |
1633 | left--; | |
b6f4d880 JA |
1634 | } else if (td->runstate >= TD_EXITED) { |
1635 | map[i] = NULL; | |
1636 | left--; | |
1637 | todo--; | |
1638 | nr_running++; /* work-around... */ | |
75154845 JA |
1639 | } |
1640 | } | |
1641 | } | |
1642 | ||
1643 | if (left) { | |
3b70d7e5 | 1644 | log_err("fio: %d jobs failed to start\n", left); |
75154845 JA |
1645 | for (i = 0; i < this_jobs; i++) { |
1646 | td = map[i]; | |
1647 | if (!td) | |
1648 | continue; | |
1649 | kill(td->pid, SIGTERM); | |
1650 | } | |
1651 | break; | |
1652 | } | |
1653 | ||
1654 | /* | |
b6f4d880 | 1655 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
75154845 | 1656 | */ |
34572e28 | 1657 | for_each_td(td, i) { |
75154845 | 1658 | if (td->runstate != TD_INITIALIZED) |
ebac4655 JA |
1659 | continue; |
1660 | ||
b29ee5b3 JA |
1661 | if (in_ramp_time(td)) |
1662 | td_set_runstate(td, TD_RAMP); | |
1663 | else | |
1664 | td_set_runstate(td, TD_RUNNING); | |
ebac4655 JA |
1665 | nr_running++; |
1666 | nr_started--; | |
581e7141 JA |
1667 | m_rate += td->o.ratemin[0] + td->o.ratemin[1]; |
1668 | t_rate += td->o.rate[0] + td->o.rate[1]; | |
75154845 | 1669 | todo--; |
cdd18ad8 | 1670 | fio_mutex_up(td->mutex); |
ebac4655 JA |
1671 | } |
1672 | ||
1673 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1674 | ||
1675 | if (todo) | |
1676 | usleep(100000); | |
1677 | } | |
1678 | ||
1679 | while (nr_running) { | |
1680 | reap_threads(&nr_running, &t_rate, &m_rate); | |
1681 | usleep(10000); | |
1682 | } | |
1683 | ||
1684 | update_io_ticks(); | |
2f9ade3c | 1685 | fio_unpin_memory(); |
ebac4655 JA |
1686 | } |
1687 | ||
ebac4655 JA |
1688 | int main(int argc, char *argv[]) |
1689 | { | |
29d610e1 JA |
1690 | long ps; |
1691 | ||
2e5cdb11 | 1692 | sinit(); |
d54a144d | 1693 | init_rand(&__fio_rand_state); |
2e5cdb11 | 1694 | |
dbe1125e JA |
1695 | /* |
1696 | * We need locale for number printing, if it isn't set then just | |
1697 | * go with the US format. | |
1698 | */ | |
1699 | if (!getenv("LC_NUMERIC")) | |
1700 | setlocale(LC_NUMERIC, "en_US"); | |
1701 | ||
29d610e1 JA |
1702 | ps = sysconf(_SC_PAGESIZE); |
1703 | if (ps < 0) { | |
1704 | log_err("Failed to get page size\n"); | |
1705 | return 1; | |
1706 | } | |
1707 | ||
cfc99db7 | 1708 | page_size = ps; |
29d610e1 JA |
1709 | page_mask = ps - 1; |
1710 | ||
74929ac2 JA |
1711 | fio_keywords_init(); |
1712 | ||
1713 | if (parse_options(argc, argv)) | |
1714 | return 1; | |
1715 | ||
07b3232d JA |
1716 | if (exec_profile && load_profile(exec_profile)) |
1717 | return 1; | |
1718 | ||
74929ac2 JA |
1719 | if (!thread_number) |
1720 | return 0; | |
1721 | ||
bb3884d8 JA |
1722 | if (write_bw_log) { |
1723 | setup_log(&agg_io_log[DDIR_READ]); | |
1724 | setup_log(&agg_io_log[DDIR_WRITE]); | |
1725 | } | |
1726 | ||
cdd18ad8 | 1727 | startup_mutex = fio_mutex_init(0); |
03e20d68 BC |
1728 | if (startup_mutex == NULL) |
1729 | return 1; | |
d2bbb8d9 | 1730 | writeout_mutex = fio_mutex_init(1); |
03e20d68 BC |
1731 | if (writeout_mutex == NULL) |
1732 | return 1; | |
07739b57 | 1733 | |
a2f77c9f | 1734 | set_genesis_time(); |
7985701b | 1735 | create_disk_util_thread(); |
ebac4655 | 1736 | |
dae5341c JA |
1737 | cgroup_list = smalloc(sizeof(*cgroup_list)); |
1738 | INIT_FLIST_HEAD(cgroup_list); | |
1739 | ||
ebac4655 | 1740 | run_threads(); |
6ce15a32 | 1741 | |
bb3884d8 | 1742 | if (!fio_abort) { |
6ce15a32 | 1743 | show_run_stats(); |
bb3884d8 | 1744 | if (write_bw_log) { |
5ec10eaa JA |
1745 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
1746 | __finish_log(agg_io_log[DDIR_WRITE], | |
1747 | "agg-write_bw.log"); | |
bb3884d8 JA |
1748 | } |
1749 | } | |
ebac4655 | 1750 | |
dae5341c JA |
1751 | cgroup_kill(cgroup_list); |
1752 | sfree(cgroup_list); | |
61eb313e | 1753 | sfree(cgroup_mnt); |
39f22027 | 1754 | |
cdd18ad8 | 1755 | fio_mutex_remove(startup_mutex); |
d2bbb8d9 | 1756 | fio_mutex_remove(writeout_mutex); |
437c9b71 | 1757 | return exit_value; |
ebac4655 | 1758 | } |