Commit | Line | Data |
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2e1df07d JA |
1 | /* |
2 | * fio - the flexible io tester | |
3 | * | |
4 | * Copyright (C) 2005 Jens Axboe <axboe@suse.de> | |
5 | * Copyright (C) 2006-2012 Jens Axboe <axboe@kernel.dk> | |
6 | * | |
7 | * The license below covers all files distributed with fio unless otherwise | |
8 | * noted in the file itself. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
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 | |
fa07eaa6 | 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
2e1df07d JA |
22 | * |
23 | */ | |
24 | #include <unistd.h> | |
2e1df07d | 25 | #include <string.h> |
2e1df07d | 26 | #include <signal.h> |
2e1df07d | 27 | #include <assert.h> |
e43606c2 | 28 | #include <inttypes.h> |
2e1df07d JA |
29 | #include <sys/stat.h> |
30 | #include <sys/wait.h> | |
ff6bb260 | 31 | #include <math.h> |
c06379a6 | 32 | #include <pthread.h> |
2e1df07d JA |
33 | |
34 | #include "fio.h" | |
2e1df07d JA |
35 | #include "smalloc.h" |
36 | #include "verify.h" | |
2e1df07d JA |
37 | #include "diskutil.h" |
38 | #include "cgroup.h" | |
39 | #include "profile.h" | |
40 | #include "lib/rand.h" | |
f7690c4a | 41 | #include "lib/memalign.h" |
2e1df07d | 42 | #include "server.h" |
44404c5a | 43 | #include "lib/getrusage.h" |
f2a2ce0e | 44 | #include "idletime.h" |
002fe734 | 45 | #include "err.h" |
a9da8ab2 | 46 | #include "workqueue.h" |
e81ecca3 | 47 | #include "lib/mountcheck.h" |
40511301 | 48 | #include "rate-submit.h" |
a39fb9ea | 49 | #include "helper_thread.h" |
ae626d4e | 50 | #include "pshared.h" |
07776127 | 51 | #include "zone-dist.h" |
2e1df07d | 52 | |
971caeb1 | 53 | static struct fio_sem *startup_sem; |
2e1df07d | 54 | static struct flist_head *cgroup_list; |
c3dc516a | 55 | static struct cgroup_mnt *cgroup_mnt; |
2e1df07d | 56 | static int exit_value; |
f1867a7f | 57 | static volatile bool fio_abort; |
3a5f6bde JA |
58 | static unsigned int nr_process = 0; |
59 | static unsigned int nr_thread = 0; | |
2e1df07d | 60 | |
6eaf09d6 | 61 | struct io_log *agg_io_log[DDIR_RWDIR_CNT]; |
2e1df07d | 62 | |
a3efc919 JA |
63 | int groupid = 0; |
64 | unsigned int thread_number = 0; | |
2fbe1e19 JA |
65 | unsigned int nr_segments = 0; |
66 | unsigned int cur_segment = 0; | |
108fea77 | 67 | unsigned int stat_number = 0; |
a3efc919 JA |
68 | int temp_stall_ts; |
69 | unsigned long done_secs = 0; | |
a38c70a8 BVA |
70 | #ifdef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP |
71 | pthread_mutex_t overlap_check = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP; | |
72 | #else | |
c06379a6 | 73 | pthread_mutex_t overlap_check = PTHREAD_MUTEX_INITIALIZER; |
a38c70a8 | 74 | #endif |
a47591e4 | 75 | |
2e1df07d JA |
76 | #define JOB_START_TIMEOUT (5 * 1000) |
77 | ||
78 | static void sig_int(int sig) | |
79 | { | |
2fbe1e19 | 80 | if (nr_segments) { |
2e1df07d JA |
81 | if (is_backend) |
82 | fio_server_got_signal(sig); | |
83 | else { | |
84 | log_info("\nfio: terminating on signal %d\n", sig); | |
e411c301 | 85 | log_info_flush(); |
2e1df07d JA |
86 | exit_value = 128; |
87 | } | |
88 | ||
64402a8a | 89 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
2e1df07d JA |
90 | } |
91 | } | |
92 | ||
0dea1f55 BP |
93 | #ifdef WIN32 |
94 | static void sig_break(int sig) | |
95 | { | |
96 | struct thread_data *td; | |
97 | int i; | |
98 | ||
99 | sig_int(sig); | |
100 | ||
101 | /** | |
102 | * Windows terminates all job processes on SIGBREAK after the handler | |
103 | * returns, so give them time to wrap-up and give stats | |
104 | */ | |
105 | for_each_td(td, i) { | |
106 | while (td->runstate < TD_EXITED) | |
107 | sleep(1); | |
108 | } | |
109 | } | |
110 | #endif | |
111 | ||
d2235e56 | 112 | void sig_show_status(int sig) |
4c6d91e8 JA |
113 | { |
114 | show_running_run_stats(); | |
115 | } | |
116 | ||
2e1df07d JA |
117 | static void set_sig_handlers(void) |
118 | { | |
119 | struct sigaction act; | |
120 | ||
121 | memset(&act, 0, sizeof(act)); | |
122 | act.sa_handler = sig_int; | |
123 | act.sa_flags = SA_RESTART; | |
124 | sigaction(SIGINT, &act, NULL); | |
125 | ||
126 | memset(&act, 0, sizeof(act)); | |
127 | act.sa_handler = sig_int; | |
128 | act.sa_flags = SA_RESTART; | |
129 | sigaction(SIGTERM, &act, NULL); | |
130 | ||
2f694507 BC |
131 | /* Windows uses SIGBREAK as a quit signal from other applications */ |
132 | #ifdef WIN32 | |
133 | memset(&act, 0, sizeof(act)); | |
0dea1f55 | 134 | act.sa_handler = sig_break; |
2f694507 BC |
135 | act.sa_flags = SA_RESTART; |
136 | sigaction(SIGBREAK, &act, NULL); | |
137 | #endif | |
138 | ||
4c6d91e8 JA |
139 | memset(&act, 0, sizeof(act)); |
140 | act.sa_handler = sig_show_status; | |
141 | act.sa_flags = SA_RESTART; | |
142 | sigaction(SIGUSR1, &act, NULL); | |
143 | ||
2e1df07d JA |
144 | if (is_backend) { |
145 | memset(&act, 0, sizeof(act)); | |
146 | act.sa_handler = sig_int; | |
147 | act.sa_flags = SA_RESTART; | |
148 | sigaction(SIGPIPE, &act, NULL); | |
149 | } | |
150 | } | |
151 | ||
152 | /* | |
153 | * Check if we are above the minimum rate given. | |
154 | */ | |
8b6a404c | 155 | static bool __check_min_rate(struct thread_data *td, struct timespec *now, |
e39c0676 | 156 | enum fio_ddir ddir) |
2e1df07d | 157 | { |
f5204b8a | 158 | unsigned long long current_rate_check_bytes = td->this_io_bytes[ddir]; |
159 | unsigned long current_rate_check_blocks = td->this_io_blocks[ddir]; | |
160 | unsigned long long option_rate_bytes_min = td->o.ratemin[ddir]; | |
161 | unsigned int option_rate_iops_min = td->o.rate_iops_min[ddir]; | |
2e1df07d JA |
162 | |
163 | assert(ddir_rw(ddir)); | |
164 | ||
165 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) | |
e39c0676 | 166 | return false; |
2e1df07d JA |
167 | |
168 | /* | |
169 | * allow a 2 second settle period in the beginning | |
170 | */ | |
171 | if (mtime_since(&td->start, now) < 2000) | |
e39c0676 | 172 | return false; |
2e1df07d | 173 | |
2e1df07d | 174 | /* |
f5204b8a | 175 | * if last_rate_check_blocks or last_rate_check_bytes is set, |
176 | * we can compute a rate per ratecycle | |
2e1df07d | 177 | */ |
f5204b8a | 178 | if (td->last_rate_check_bytes[ddir] || td->last_rate_check_blocks[ddir]) { |
179 | unsigned long spent = mtime_since(&td->last_rate_check_time[ddir], now); | |
180 | if (spent < td->o.ratecycle || spent==0) | |
e39c0676 | 181 | return false; |
2e1df07d | 182 | |
f5204b8a | 183 | if (td->o.ratemin[ddir]) { |
2e1df07d JA |
184 | /* |
185 | * check bandwidth specified rate | |
186 | */ | |
f5204b8a | 187 | unsigned long long current_rate_bytes = |
188 | ((current_rate_check_bytes - td->last_rate_check_bytes[ddir]) * 1000) / spent; | |
189 | if (current_rate_bytes < option_rate_bytes_min) { | |
190 | log_err("%s: rate_min=%lluB/s not met, got %lluB/s\n", | |
191 | td->o.name, option_rate_bytes_min, current_rate_bytes); | |
e39c0676 | 192 | return true; |
2e1df07d JA |
193 | } |
194 | } else { | |
195 | /* | |
196 | * checks iops specified rate | |
197 | */ | |
f5204b8a | 198 | unsigned long long current_rate_iops = |
199 | ((current_rate_check_blocks - td->last_rate_check_blocks[ddir]) * 1000) / spent; | |
200 | ||
201 | if (current_rate_iops < option_rate_iops_min) { | |
202 | log_err("%s: rate_iops_min=%u not met, got %llu IOPS\n", | |
203 | td->o.name, option_rate_iops_min, current_rate_iops); | |
e39c0676 | 204 | return true; |
2e1df07d JA |
205 | } |
206 | } | |
207 | } | |
208 | ||
f5204b8a | 209 | td->last_rate_check_bytes[ddir] = current_rate_check_bytes; |
210 | td->last_rate_check_blocks[ddir] = current_rate_check_blocks; | |
211 | memcpy(&td->last_rate_check_time[ddir], now, sizeof(*now)); | |
e39c0676 | 212 | return false; |
2e1df07d JA |
213 | } |
214 | ||
8b6a404c | 215 | static bool check_min_rate(struct thread_data *td, struct timespec *now) |
2e1df07d | 216 | { |
e39c0676 | 217 | bool ret = false; |
2e1df07d | 218 | |
dde39f8c AD |
219 | for_each_rw_ddir(ddir) { |
220 | if (td->bytes_done[ddir]) | |
221 | ret |= __check_min_rate(td, now, ddir); | |
222 | } | |
2e1df07d JA |
223 | |
224 | return ret; | |
225 | } | |
226 | ||
227 | /* | |
228 | * When job exits, we can cancel the in-flight IO if we are using async | |
229 | * io. Attempt to do so. | |
230 | */ | |
231 | static void cleanup_pending_aio(struct thread_data *td) | |
232 | { | |
2e1df07d JA |
233 | int r; |
234 | ||
235 | /* | |
236 | * get immediately available events, if any | |
237 | */ | |
55312f9f | 238 | r = io_u_queued_complete(td, 0); |
2e1df07d JA |
239 | |
240 | /* | |
241 | * now cancel remaining active events | |
242 | */ | |
243 | if (td->io_ops->cancel) { | |
2ae0b204 JA |
244 | struct io_u *io_u; |
245 | int i; | |
2e1df07d | 246 | |
2ae0b204 JA |
247 | io_u_qiter(&td->io_u_all, io_u, i) { |
248 | if (io_u->flags & IO_U_F_FLIGHT) { | |
2e1df07d JA |
249 | r = td->io_ops->cancel(td, io_u); |
250 | if (!r) | |
251 | put_io_u(td, io_u); | |
252 | } | |
253 | } | |
254 | } | |
255 | ||
256 | if (td->cur_depth) | |
55312f9f | 257 | r = io_u_queued_complete(td, td->cur_depth); |
2e1df07d JA |
258 | } |
259 | ||
260 | /* | |
261 | * Helper to handle the final sync of a file. Works just like the normal | |
262 | * io path, just does everything sync. | |
263 | */ | |
e39c0676 | 264 | static bool fio_io_sync(struct thread_data *td, struct fio_file *f) |
2e1df07d JA |
265 | { |
266 | struct io_u *io_u = __get_io_u(td); | |
d3b07186 | 267 | enum fio_q_status ret; |
2e1df07d JA |
268 | |
269 | if (!io_u) | |
e39c0676 | 270 | return true; |
2e1df07d JA |
271 | |
272 | io_u->ddir = DDIR_SYNC; | |
273 | io_u->file = f; | |
00615bfb | 274 | io_u_set(td, io_u, IO_U_F_NO_FILE_PUT); |
2e1df07d JA |
275 | |
276 | if (td_io_prep(td, io_u)) { | |
277 | put_io_u(td, io_u); | |
e39c0676 | 278 | return true; |
2e1df07d JA |
279 | } |
280 | ||
281 | requeue: | |
282 | ret = td_io_queue(td, io_u); | |
18f6165e BVA |
283 | switch (ret) { |
284 | case FIO_Q_QUEUED: | |
a80cb54b | 285 | td_io_commit(td); |
55312f9f | 286 | if (io_u_queued_complete(td, 1) < 0) |
e39c0676 | 287 | return true; |
18f6165e BVA |
288 | break; |
289 | case FIO_Q_COMPLETED: | |
2e1df07d JA |
290 | if (io_u->error) { |
291 | td_verror(td, io_u->error, "td_io_queue"); | |
e39c0676 | 292 | return true; |
2e1df07d JA |
293 | } |
294 | ||
55312f9f | 295 | if (io_u_sync_complete(td, io_u) < 0) |
e39c0676 | 296 | return true; |
18f6165e BVA |
297 | break; |
298 | case FIO_Q_BUSY: | |
a80cb54b | 299 | td_io_commit(td); |
2e1df07d JA |
300 | goto requeue; |
301 | } | |
302 | ||
e39c0676 | 303 | return false; |
2e1df07d | 304 | } |
a3efc919 | 305 | |
61ee0f86 JA |
306 | static int fio_file_fsync(struct thread_data *td, struct fio_file *f) |
307 | { | |
00615bfb | 308 | int ret, ret2; |
61ee0f86 JA |
309 | |
310 | if (fio_file_open(f)) | |
311 | return fio_io_sync(td, f); | |
312 | ||
313 | if (td_io_open_file(td, f)) | |
314 | return 1; | |
315 | ||
316 | ret = fio_io_sync(td, f); | |
00615bfb SW |
317 | ret2 = 0; |
318 | if (fio_file_open(f)) | |
319 | ret2 = td_io_close_file(td, f); | |
320 | return (ret || ret2); | |
61ee0f86 JA |
321 | } |
322 | ||
8b6a404c | 323 | static inline void __update_ts_cache(struct thread_data *td) |
2e1df07d | 324 | { |
8b6a404c | 325 | fio_gettime(&td->ts_cache, NULL); |
2e1df07d JA |
326 | } |
327 | ||
8b6a404c | 328 | static inline void update_ts_cache(struct thread_data *td) |
2e1df07d | 329 | { |
8b6a404c VF |
330 | if ((++td->ts_cache_nr & td->ts_cache_mask) == td->ts_cache_mask) |
331 | __update_ts_cache(td); | |
2e1df07d JA |
332 | } |
333 | ||
8b6a404c | 334 | static inline bool runtime_exceeded(struct thread_data *td, struct timespec *t) |
2e1df07d JA |
335 | { |
336 | if (in_ramp_time(td)) | |
e39c0676 | 337 | return false; |
2e1df07d | 338 | if (!td->o.timeout) |
e39c0676 | 339 | return false; |
0de5b26f | 340 | if (utime_since(&td->epoch, t) >= td->o.timeout) |
e39c0676 | 341 | return true; |
2e1df07d | 342 | |
e39c0676 | 343 | return false; |
2e1df07d JA |
344 | } |
345 | ||
95603b74 BF |
346 | /* |
347 | * We need to update the runtime consistently in ms, but keep a running | |
348 | * tally of the current elapsed time in microseconds for sub millisecond | |
349 | * updates. | |
350 | */ | |
351 | static inline void update_runtime(struct thread_data *td, | |
352 | unsigned long long *elapsed_us, | |
353 | const enum fio_ddir ddir) | |
354 | { | |
d5c8ea29 JA |
355 | if (ddir == DDIR_WRITE && td_write(td) && td->o.verify_only) |
356 | return; | |
357 | ||
95603b74 BF |
358 | td->ts.runtime[ddir] -= (elapsed_us[ddir] + 999) / 1000; |
359 | elapsed_us[ddir] += utime_since_now(&td->start); | |
360 | td->ts.runtime[ddir] += (elapsed_us[ddir] + 999) / 1000; | |
361 | } | |
362 | ||
e39c0676 JA |
363 | static bool break_on_this_error(struct thread_data *td, enum fio_ddir ddir, |
364 | int *retptr) | |
2e1df07d JA |
365 | { |
366 | int ret = *retptr; | |
367 | ||
368 | if (ret < 0 || td->error) { | |
8b28bd41 DM |
369 | int err = td->error; |
370 | enum error_type_bit eb; | |
2e1df07d JA |
371 | |
372 | if (ret < 0) | |
373 | err = -ret; | |
2e1df07d | 374 | |
8b28bd41 DM |
375 | eb = td_error_type(ddir, err); |
376 | if (!(td->o.continue_on_error & (1 << eb))) | |
e39c0676 | 377 | return true; |
2e1df07d | 378 | |
8b28bd41 | 379 | if (td_non_fatal_error(td, eb, err)) { |
2e1df07d JA |
380 | /* |
381 | * Continue with the I/Os in case of | |
382 | * a non fatal error. | |
383 | */ | |
384 | update_error_count(td, err); | |
385 | td_clear_error(td); | |
386 | *retptr = 0; | |
e39c0676 | 387 | return false; |
418f5399 | 388 | } else if (td->o.fill_device && (err == ENOSPC || err == EDQUOT)) { |
2e1df07d JA |
389 | /* |
390 | * We expect to hit this error if | |
391 | * fill_device option is set. | |
392 | */ | |
393 | td_clear_error(td); | |
ebea2133 | 394 | fio_mark_td_terminate(td); |
e39c0676 | 395 | return true; |
2e1df07d JA |
396 | } else { |
397 | /* | |
398 | * Stop the I/O in case of a fatal | |
399 | * error. | |
400 | */ | |
401 | update_error_count(td, err); | |
e39c0676 | 402 | return true; |
2e1df07d JA |
403 | } |
404 | } | |
405 | ||
e39c0676 | 406 | return false; |
2e1df07d JA |
407 | } |
408 | ||
c97f1ad6 JA |
409 | static void check_update_rusage(struct thread_data *td) |
410 | { | |
411 | if (td->update_rusage) { | |
412 | td->update_rusage = 0; | |
413 | update_rusage_stat(td); | |
971caeb1 | 414 | fio_sem_up(td->rusage_sem); |
c97f1ad6 JA |
415 | } |
416 | } | |
417 | ||
8b6a404c | 418 | static int wait_for_completions(struct thread_data *td, struct timespec *time) |
69fea81e JA |
419 | { |
420 | const int full = queue_full(td); | |
421 | int min_evts = 0; | |
422 | int ret; | |
423 | ||
6be06c46 JA |
424 | if (td->flags & TD_F_REGROW_LOGS) |
425 | return io_u_quiesce(td); | |
1fed2080 | 426 | |
69fea81e JA |
427 | /* |
428 | * if the queue is full, we MUST reap at least 1 event | |
429 | */ | |
82407585 | 430 | min_evts = min(td->o.iodepth_batch_complete_min, td->cur_depth); |
4b157ac6 | 431 | if ((full && !min_evts) || !td->o.iodepth_batch_complete_min) |
69fea81e JA |
432 | min_evts = 1; |
433 | ||
90711edc | 434 | if (time && should_check_rate(td)) |
69fea81e JA |
435 | fio_gettime(time, NULL); |
436 | ||
437 | do { | |
55312f9f | 438 | ret = io_u_queued_complete(td, min_evts); |
69fea81e JA |
439 | if (ret < 0) |
440 | break; | |
441 | } while (full && (td->cur_depth > td->o.iodepth_low)); | |
442 | ||
443 | return ret; | |
444 | } | |
445 | ||
e9d512d8 JA |
446 | int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret, |
447 | enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify, | |
8b6a404c | 448 | struct timespec *comp_time) |
e9d512d8 | 449 | { |
e9d512d8 JA |
450 | switch (*ret) { |
451 | case FIO_Q_COMPLETED: | |
452 | if (io_u->error) { | |
453 | *ret = -io_u->error; | |
454 | clear_io_u(td, io_u); | |
455 | } else if (io_u->resid) { | |
5fff9543 | 456 | long long bytes = io_u->xfer_buflen - io_u->resid; |
e9d512d8 JA |
457 | struct fio_file *f = io_u->file; |
458 | ||
459 | if (bytes_issued) | |
460 | *bytes_issued += bytes; | |
461 | ||
462 | if (!from_verify) | |
94a78d52 | 463 | trim_io_piece(io_u); |
e9d512d8 JA |
464 | |
465 | /* | |
466 | * zero read, fail | |
467 | */ | |
468 | if (!bytes) { | |
469 | if (!from_verify) | |
470 | unlog_io_piece(td, io_u); | |
471 | td_verror(td, EIO, "full resid"); | |
472 | put_io_u(td, io_u); | |
473 | break; | |
474 | } | |
475 | ||
476 | io_u->xfer_buflen = io_u->resid; | |
477 | io_u->xfer_buf += bytes; | |
478 | io_u->offset += bytes; | |
479 | ||
480 | if (ddir_rw(io_u->ddir)) | |
481 | td->ts.short_io_u[io_u->ddir]++; | |
482 | ||
e9d512d8 JA |
483 | if (io_u->offset == f->real_file_size) |
484 | goto sync_done; | |
485 | ||
486 | requeue_io_u(td, &io_u); | |
487 | } else { | |
488 | sync_done: | |
90711edc | 489 | if (comp_time && should_check_rate(td)) |
e9d512d8 JA |
490 | fio_gettime(comp_time, NULL); |
491 | ||
492 | *ret = io_u_sync_complete(td, io_u); | |
493 | if (*ret < 0) | |
494 | break; | |
495 | } | |
a0e3e5a6 | 496 | |
cf2c8d52 JA |
497 | if (td->flags & TD_F_REGROW_LOGS) |
498 | regrow_logs(td); | |
499 | ||
a0e3e5a6 EW |
500 | /* |
501 | * when doing I/O (not when verifying), | |
502 | * check for any errors that are to be ignored | |
503 | */ | |
504 | if (!from_verify) | |
505 | break; | |
506 | ||
e9d512d8 JA |
507 | return 0; |
508 | case FIO_Q_QUEUED: | |
509 | /* | |
510 | * if the engine doesn't have a commit hook, | |
511 | * the io_u is really queued. if it does have such | |
512 | * a hook, it has to call io_u_queued() itself. | |
513 | */ | |
514 | if (td->io_ops->commit == NULL) | |
515 | io_u_queued(td, io_u); | |
516 | if (bytes_issued) | |
517 | *bytes_issued += io_u->xfer_buflen; | |
518 | break; | |
519 | case FIO_Q_BUSY: | |
520 | if (!from_verify) | |
521 | unlog_io_piece(td, io_u); | |
522 | requeue_io_u(td, &io_u); | |
a80cb54b | 523 | td_io_commit(td); |
e9d512d8 JA |
524 | break; |
525 | default: | |
b0775325 | 526 | assert(*ret < 0); |
e9d512d8 JA |
527 | td_verror(td, -(*ret), "td_io_queue"); |
528 | break; | |
529 | } | |
530 | ||
531 | if (break_on_this_error(td, ddir, ret)) | |
532 | return 1; | |
533 | ||
534 | return 0; | |
535 | } | |
536 | ||
e39c0676 | 537 | static inline bool io_in_polling(struct thread_data *td) |
82407585 RP |
538 | { |
539 | return !td->o.iodepth_batch_complete_min && | |
540 | !td->o.iodepth_batch_complete_max; | |
541 | } | |
39c1c323 | 542 | /* |
543 | * Unlinks files from thread data fio_file structure | |
544 | */ | |
545 | static int unlink_all_files(struct thread_data *td) | |
546 | { | |
547 | struct fio_file *f; | |
548 | unsigned int i; | |
549 | int ret = 0; | |
550 | ||
551 | for_each_file(td, f, i) { | |
552 | if (f->filetype != FIO_TYPE_FILE) | |
553 | continue; | |
554 | ret = td_io_unlink_file(td, f); | |
555 | if (ret) | |
556 | break; | |
557 | } | |
558 | ||
559 | if (ret) | |
560 | td_verror(td, ret, "unlink_all_files"); | |
561 | ||
562 | return ret; | |
563 | } | |
82407585 | 564 | |
997b5680 SW |
565 | /* |
566 | * Check if io_u will overlap an in-flight IO in the queue | |
567 | */ | |
c06379a6 | 568 | bool in_flight_overlap(struct io_u_queue *q, struct io_u *io_u) |
997b5680 SW |
569 | { |
570 | bool overlap; | |
571 | struct io_u *check_io_u; | |
572 | unsigned long long x1, x2, y1, y2; | |
573 | int i; | |
574 | ||
575 | x1 = io_u->offset; | |
576 | x2 = io_u->offset + io_u->buflen; | |
577 | overlap = false; | |
578 | io_u_qiter(q, check_io_u, i) { | |
579 | if (check_io_u->flags & IO_U_F_FLIGHT) { | |
580 | y1 = check_io_u->offset; | |
581 | y2 = check_io_u->offset + check_io_u->buflen; | |
582 | ||
583 | if (x1 < y2 && y1 < x2) { | |
584 | overlap = true; | |
5fff9543 | 585 | dprint(FD_IO, "in-flight overlap: %llu/%llu, %llu/%llu\n", |
997b5680 SW |
586 | x1, io_u->buflen, |
587 | y1, check_io_u->buflen); | |
588 | break; | |
589 | } | |
590 | } | |
591 | } | |
592 | ||
593 | return overlap; | |
594 | } | |
595 | ||
d3b07186 | 596 | static enum fio_q_status io_u_submit(struct thread_data *td, struct io_u *io_u) |
08b2b386 JA |
597 | { |
598 | /* | |
599 | * Check for overlap if the user asked us to, and we have | |
600 | * at least one IO in flight besides this one. | |
601 | */ | |
602 | if (td->o.serialize_overlap && td->cur_depth > 1 && | |
603 | in_flight_overlap(&td->io_u_all, io_u)) | |
604 | return FIO_Q_BUSY; | |
605 | ||
606 | return td_io_queue(td, io_u); | |
607 | } | |
608 | ||
2e1df07d JA |
609 | /* |
610 | * The main verify engine. Runs over the writes we previously submitted, | |
611 | * reads the blocks back in, and checks the crc/md5 of the data. | |
612 | */ | |
100f49f1 | 613 | static void do_verify(struct thread_data *td, uint64_t verify_bytes) |
2e1df07d JA |
614 | { |
615 | struct fio_file *f; | |
616 | struct io_u *io_u; | |
617 | int ret, min_events; | |
618 | unsigned int i; | |
619 | ||
620 | dprint(FD_VERIFY, "starting loop\n"); | |
621 | ||
622 | /* | |
623 | * sync io first and invalidate cache, to make sure we really | |
624 | * read from disk. | |
625 | */ | |
626 | for_each_file(td, f, i) { | |
627 | if (!fio_file_open(f)) | |
628 | continue; | |
629 | if (fio_io_sync(td, f)) | |
630 | break; | |
631 | if (file_invalidate_cache(td, f)) | |
632 | break; | |
633 | } | |
634 | ||
c97f1ad6 JA |
635 | check_update_rusage(td); |
636 | ||
2e1df07d JA |
637 | if (td->error) |
638 | return; | |
639 | ||
8f380de2 CJ |
640 | /* |
641 | * verify_state needs to be reset before verification | |
642 | * proceeds so that expected random seeds match actual | |
643 | * random seeds in headers. The main loop will reset | |
644 | * all random number generators if randrepeat is set. | |
645 | */ | |
646 | if (!td->o.rand_repeatable) | |
647 | td_fill_verify_state_seed(td); | |
648 | ||
2e1df07d JA |
649 | td_set_runstate(td, TD_VERIFYING); |
650 | ||
651 | io_u = NULL; | |
652 | while (!td->terminate) { | |
fbccf46c | 653 | enum fio_ddir ddir; |
e9d512d8 | 654 | int full; |
2e1df07d | 655 | |
8b6a404c | 656 | update_ts_cache(td); |
c97f1ad6 | 657 | check_update_rusage(td); |
2e1df07d | 658 | |
8b6a404c VF |
659 | if (runtime_exceeded(td, &td->ts_cache)) { |
660 | __update_ts_cache(td); | |
661 | if (runtime_exceeded(td, &td->ts_cache)) { | |
ebea2133 | 662 | fio_mark_td_terminate(td); |
2e1df07d JA |
663 | break; |
664 | } | |
665 | } | |
666 | ||
9e684a49 DE |
667 | if (flow_threshold_exceeded(td)) |
668 | continue; | |
669 | ||
44cbc6da JA |
670 | if (!td->o.experimental_verify) { |
671 | io_u = __get_io_u(td); | |
672 | if (!io_u) | |
673 | break; | |
2e1df07d | 674 | |
44cbc6da JA |
675 | if (get_next_verify(td, io_u)) { |
676 | put_io_u(td, io_u); | |
677 | break; | |
678 | } | |
2e1df07d | 679 | |
44cbc6da JA |
680 | if (td_io_prep(td, io_u)) { |
681 | put_io_u(td, io_u); | |
682 | break; | |
683 | } | |
684 | } else { | |
55312f9f | 685 | if (ddir_rw_sum(td->bytes_done) + td->o.rw_min_bs > verify_bytes) |
100f49f1 JA |
686 | break; |
687 | ||
bcd5abfa | 688 | while ((io_u = get_io_u(td)) != NULL) { |
059b61f2 | 689 | if (IS_ERR_OR_NULL(io_u)) { |
002fe734 JA |
690 | io_u = NULL; |
691 | ret = FIO_Q_BUSY; | |
692 | goto reap; | |
693 | } | |
694 | ||
bcd5abfa JA |
695 | /* |
696 | * We are only interested in the places where | |
697 | * we wrote or trimmed IOs. Turn those into | |
698 | * reads for verification purposes. | |
699 | */ | |
700 | if (io_u->ddir == DDIR_READ) { | |
701 | /* | |
702 | * Pretend we issued it for rwmix | |
703 | * accounting | |
704 | */ | |
705 | td->io_issues[DDIR_READ]++; | |
706 | put_io_u(td, io_u); | |
707 | continue; | |
708 | } else if (io_u->ddir == DDIR_TRIM) { | |
709 | io_u->ddir = DDIR_READ; | |
1651e431 | 710 | io_u_set(td, io_u, IO_U_F_TRIMMED); |
bcd5abfa JA |
711 | break; |
712 | } else if (io_u->ddir == DDIR_WRITE) { | |
713 | io_u->ddir = DDIR_READ; | |
5c5c33c1 | 714 | populate_verify_io_u(td, io_u); |
bcd5abfa JA |
715 | break; |
716 | } else { | |
717 | put_io_u(td, io_u); | |
718 | continue; | |
719 | } | |
720 | } | |
44cbc6da | 721 | |
bcd5abfa | 722 | if (!io_u) |
44cbc6da | 723 | break; |
2e1df07d JA |
724 | } |
725 | ||
ca09be4b JA |
726 | if (verify_state_should_stop(td, io_u)) { |
727 | put_io_u(td, io_u); | |
728 | break; | |
729 | } | |
730 | ||
2e1df07d JA |
731 | if (td->o.verify_async) |
732 | io_u->end_io = verify_io_u_async; | |
733 | else | |
734 | io_u->end_io = verify_io_u; | |
735 | ||
fbccf46c | 736 | ddir = io_u->ddir; |
10adc4a7 GG |
737 | if (!td->o.disable_slat) |
738 | fio_gettime(&io_u->start_time, NULL); | |
fbccf46c | 739 | |
08b2b386 | 740 | ret = io_u_submit(td, io_u); |
2e1df07d | 741 | |
e9d512d8 | 742 | if (io_queue_event(td, io_u, &ret, ddir, NULL, 1, NULL)) |
2e1df07d JA |
743 | break; |
744 | ||
745 | /* | |
746 | * if we can queue more, do so. but check if there are | |
747 | * completed io_u's first. Note that we can get BUSY even | |
748 | * without IO queued, if the system is resource starved. | |
749 | */ | |
002fe734 | 750 | reap: |
2e1df07d | 751 | full = queue_full(td) || (ret == FIO_Q_BUSY && td->cur_depth); |
82407585 | 752 | if (full || io_in_polling(td)) |
55312f9f | 753 | ret = wait_for_completions(td, NULL); |
2e1df07d | 754 | |
2e1df07d JA |
755 | if (ret < 0) |
756 | break; | |
757 | } | |
758 | ||
c97f1ad6 JA |
759 | check_update_rusage(td); |
760 | ||
2e1df07d JA |
761 | if (!td->error) { |
762 | min_events = td->cur_depth; | |
763 | ||
764 | if (min_events) | |
55312f9f | 765 | ret = io_u_queued_complete(td, min_events); |
2e1df07d JA |
766 | } else |
767 | cleanup_pending_aio(td); | |
768 | ||
769 | td_set_runstate(td, TD_RUNNING); | |
770 | ||
771 | dprint(FD_VERIFY, "exiting loop\n"); | |
772 | } | |
773 | ||
e39c0676 | 774 | static bool exceeds_number_ios(struct thread_data *td) |
3939fe85 JA |
775 | { |
776 | unsigned long long number_ios; | |
777 | ||
778 | if (!td->o.number_ios) | |
e39c0676 | 779 | return false; |
3939fe85 | 780 | |
cf8a46a7 | 781 | number_ios = ddir_rw_sum(td->io_blocks); |
3939fe85 JA |
782 | number_ios += td->io_u_queued + td->io_u_in_flight; |
783 | ||
cf8a46a7 | 784 | return number_ios >= (td->o.number_ios * td->loops); |
3939fe85 JA |
785 | } |
786 | ||
926098e0 | 787 | static bool io_bytes_exceeded(struct thread_data *td, uint64_t *this_bytes) |
f7078f7b | 788 | { |
77731b29 | 789 | unsigned long long bytes, limit; |
f7078f7b JA |
790 | |
791 | if (td_rw(td)) | |
926098e0 | 792 | bytes = this_bytes[DDIR_READ] + this_bytes[DDIR_WRITE]; |
f7078f7b | 793 | else if (td_write(td)) |
926098e0 | 794 | bytes = this_bytes[DDIR_WRITE]; |
6eaf09d6 | 795 | else if (td_read(td)) |
926098e0 | 796 | bytes = this_bytes[DDIR_READ]; |
f7078f7b | 797 | else |
926098e0 | 798 | bytes = this_bytes[DDIR_TRIM]; |
f7078f7b | 799 | |
5be9bf09 TK |
800 | if (td->o.io_size) |
801 | limit = td->o.io_size; | |
77731b29 JA |
802 | else |
803 | limit = td->o.size; | |
804 | ||
cf8a46a7 | 805 | limit *= td->loops; |
77731b29 | 806 | return bytes >= limit || exceeds_number_ios(td); |
f7078f7b JA |
807 | } |
808 | ||
926098e0 | 809 | static bool io_issue_bytes_exceeded(struct thread_data *td) |
e28dd2cf | 810 | { |
926098e0 JA |
811 | return io_bytes_exceeded(td, td->io_issue_bytes); |
812 | } | |
e28dd2cf | 813 | |
926098e0 JA |
814 | static bool io_complete_bytes_exceeded(struct thread_data *td) |
815 | { | |
816 | return io_bytes_exceeded(td, td->this_io_bytes); | |
e28dd2cf JE |
817 | } |
818 | ||
50a8ce86 D |
819 | /* |
820 | * used to calculate the next io time for rate control | |
821 | * | |
822 | */ | |
823 | static long long usec_for_io(struct thread_data *td, enum fio_ddir ddir) | |
824 | { | |
1a9bf814 | 825 | uint64_t bps = td->rate_bps[ddir]; |
50a8ce86 D |
826 | |
827 | assert(!(td->flags & TD_F_CHILD)); | |
ff6bb260 | 828 | |
6de65959 | 829 | if (td->o.rate_process == RATE_PROCESS_POISSON) { |
1a9bf814 JA |
830 | uint64_t val, iops; |
831 | ||
d6299558 | 832 | iops = bps / td->o.min_bs[ddir]; |
a77d139b | 833 | val = (int64_t) (1000000 / iops) * |
6c8611c7 | 834 | -logf(__rand_0_1(&td->poisson_state[ddir])); |
a77d139b | 835 | if (val) { |
98e51d7c JA |
836 | dprint(FD_RATE, "poisson rate iops=%llu, ddir=%d\n", |
837 | (unsigned long long) 1000000 / val, | |
838 | ddir); | |
a77d139b | 839 | } |
6c8611c7 JA |
840 | td->last_usec[ddir] += val; |
841 | return td->last_usec[ddir]; | |
ff6bb260 | 842 | } else if (bps) { |
1a9bf814 JA |
843 | uint64_t bytes = td->rate_io_issue_bytes[ddir]; |
844 | uint64_t secs = bytes / bps; | |
845 | uint64_t remainder = bytes % bps; | |
846 | ||
50a8ce86 | 847 | return remainder * 1000000 / bps + secs * 1000000; |
e7b24047 JA |
848 | } |
849 | ||
850 | return 0; | |
50a8ce86 D |
851 | } |
852 | ||
f7942acd SK |
853 | static void init_thinktime(struct thread_data *td) |
854 | { | |
855 | if (td->o.thinktime_blocks_type == THINKTIME_BLOCKS_TYPE_COMPLETE) | |
856 | td->thinktime_blocks_counter = td->io_blocks; | |
857 | else | |
858 | td->thinktime_blocks_counter = td->io_issues; | |
859 | td->last_thinktime = td->epoch; | |
860 | td->last_thinktime_blocks = 0; | |
861 | } | |
862 | ||
7216b664 HQ |
863 | static void handle_thinktime(struct thread_data *td, enum fio_ddir ddir, |
864 | struct timespec *time) | |
1a9bf814 JA |
865 | { |
866 | unsigned long long b; | |
867 | uint64_t total; | |
868 | int left; | |
f7942acd SK |
869 | struct timespec now; |
870 | bool stall = false; | |
871 | ||
872 | if (td->o.thinktime_iotime) { | |
873 | fio_gettime(&now, NULL); | |
874 | if (utime_since(&td->last_thinktime, &now) | |
875 | >= td->o.thinktime_iotime + td->o.thinktime) { | |
876 | stall = true; | |
877 | } else if (!fio_option_is_set(&td->o, thinktime_blocks)) { | |
878 | /* | |
879 | * When thinktime_iotime is set and thinktime_blocks is | |
880 | * not set, skip the thinktime_blocks check, since | |
881 | * thinktime_blocks default value 1 does not work | |
882 | * together with thinktime_iotime. | |
883 | */ | |
884 | return; | |
885 | } | |
886 | ||
887 | } | |
1a9bf814 | 888 | |
33f42c20 | 889 | b = ddir_rw_sum(td->thinktime_blocks_counter); |
f7942acd SK |
890 | if (b >= td->last_thinktime_blocks + td->o.thinktime_blocks) |
891 | stall = true; | |
892 | ||
893 | if (!stall) | |
1a9bf814 JA |
894 | return; |
895 | ||
896 | io_u_quiesce(td); | |
897 | ||
898 | total = 0; | |
899 | if (td->o.thinktime_spin) | |
900 | total = usec_spin(td->o.thinktime_spin); | |
901 | ||
902 | left = td->o.thinktime - total; | |
903 | if (left) | |
904 | total += usec_sleep(td, left); | |
905 | ||
906 | /* | |
907 | * If we're ignoring thinktime for the rate, add the number of bytes | |
1aa39b0c JA |
908 | * we would have done while sleeping, minus one block to ensure we |
909 | * start issuing immediately after the sleep. | |
1a9bf814 | 910 | */ |
1aa39b0c | 911 | if (total && td->rate_bps[ddir] && td->o.rate_ign_think) { |
f2aedb17 | 912 | uint64_t missed = (td->rate_bps[ddir] * total) / 1000000ULL; |
62b858f6 JA |
913 | uint64_t bs = td->o.min_bs[ddir]; |
914 | uint64_t usperop = bs * 1000000ULL / td->rate_bps[ddir]; | |
f2aedb17 JA |
915 | uint64_t over; |
916 | ||
62b858f6 JA |
917 | if (usperop <= total) |
918 | over = bs; | |
f2aedb17 | 919 | else |
62b858f6 | 920 | over = (usperop - total) / usperop * -bs; |
f2aedb17 JA |
921 | |
922 | td->rate_io_issue_bytes[ddir] += (missed - over); | |
182cab24 JA |
923 | /* adjust for rate_process=poisson */ |
924 | td->last_usec[ddir] += total; | |
1aa39b0c | 925 | } |
7216b664 HQ |
926 | |
927 | if (time && should_check_rate(td)) | |
928 | fio_gettime(time, NULL); | |
f7942acd SK |
929 | |
930 | td->last_thinktime_blocks = b; | |
931 | if (td->o.thinktime_iotime) | |
932 | td->last_thinktime = now; | |
1a9bf814 JA |
933 | } |
934 | ||
2e1df07d JA |
935 | /* |
936 | * Main IO worker function. It retrieves io_u's to process and queues | |
937 | * and reaps them, checking for rate and errors along the way. | |
100f49f1 JA |
938 | * |
939 | * Returns number of bytes written and trimmed. | |
2e1df07d | 940 | */ |
95b03be0 | 941 | static void do_io(struct thread_data *td, uint64_t *bytes_done) |
2e1df07d JA |
942 | { |
943 | unsigned int i; | |
944 | int ret = 0; | |
c2703bf3 | 945 | uint64_t total_bytes, bytes_issued = 0; |
70c68076 | 946 | |
95b03be0 JA |
947 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
948 | bytes_done[i] = td->bytes_done[i]; | |
2e1df07d JA |
949 | |
950 | if (in_ramp_time(td)) | |
951 | td_set_runstate(td, TD_RAMP); | |
952 | else | |
953 | td_set_runstate(td, TD_RUNNING); | |
954 | ||
3e260a46 JA |
955 | lat_target_init(td); |
956 | ||
1e564979 JE |
957 | total_bytes = td->o.size; |
958 | /* | |
5be9bf09 | 959 | * Allow random overwrite workloads to write up to io_size |
1e564979 JE |
960 | * before starting verification phase as 'size' doesn't apply. |
961 | */ | |
962 | if (td_write(td) && td_random(td) && td->o.norandommap) | |
5be9bf09 | 963 | total_bytes = max(total_bytes, (uint64_t) td->o.io_size); |
78a6469c JA |
964 | /* |
965 | * If verify_backlog is enabled, we'll run the verify in this | |
966 | * handler as well. For that case, we may need up to twice the | |
967 | * amount of bytes. | |
968 | */ | |
78a6469c JA |
969 | if (td->o.verify != VERIFY_NONE && |
970 | (td_write(td) && td->o.verify_backlog)) | |
c2703bf3 JA |
971 | total_bytes += td->o.size; |
972 | ||
82a90686 | 973 | /* In trimwrite mode, each byte is trimmed and then written, so |
0e4dd95c | 974 | * allow total_bytes to be twice as big */ |
82a90686 | 975 | if (td_trimwrite(td)) |
0e4dd95c DE |
976 | total_bytes += td->total_io_size; |
977 | ||
f7078f7b | 978 | while ((td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || |
e28dd2cf | 979 | (!flist_empty(&td->trim_list)) || !io_issue_bytes_exceeded(td) || |
c04e4661 | 980 | td->o.time_based) { |
8b6a404c | 981 | struct timespec comp_time; |
2e1df07d | 982 | struct io_u *io_u; |
e9d512d8 | 983 | int full; |
2e1df07d JA |
984 | enum fio_ddir ddir; |
985 | ||
c97f1ad6 JA |
986 | check_update_rusage(td); |
987 | ||
7d7803fa | 988 | if (td->terminate || td->done) |
2e1df07d JA |
989 | break; |
990 | ||
8b6a404c | 991 | update_ts_cache(td); |
2e1df07d | 992 | |
8b6a404c VF |
993 | if (runtime_exceeded(td, &td->ts_cache)) { |
994 | __update_ts_cache(td); | |
995 | if (runtime_exceeded(td, &td->ts_cache)) { | |
ebea2133 | 996 | fio_mark_td_terminate(td); |
2e1df07d JA |
997 | break; |
998 | } | |
999 | } | |
1000 | ||
9e684a49 DE |
1001 | if (flow_threshold_exceeded(td)) |
1002 | continue; | |
1003 | ||
f1a32461 JA |
1004 | /* |
1005 | * Break if we exceeded the bytes. The exception is time | |
1006 | * based runs, but we still need to break out of the loop | |
1007 | * for those to run verification, if enabled. | |
98e7161c | 1008 | * Jobs read from iolog do not use this stop condition. |
f1a32461 JA |
1009 | */ |
1010 | if (bytes_issued >= total_bytes && | |
98e7161c | 1011 | !td->o.read_iolog_file && |
f1a32461 JA |
1012 | (!td->o.time_based || |
1013 | (td->o.time_based && td->o.verify != VERIFY_NONE))) | |
20876c53 JC |
1014 | break; |
1015 | ||
2e1df07d | 1016 | io_u = get_io_u(td); |
002fe734 JA |
1017 | if (IS_ERR_OR_NULL(io_u)) { |
1018 | int err = PTR_ERR(io_u); | |
1019 | ||
1020 | io_u = NULL; | |
1a9bf814 | 1021 | ddir = DDIR_INVAL; |
002fe734 JA |
1022 | if (err == -EBUSY) { |
1023 | ret = FIO_Q_BUSY; | |
1024 | goto reap; | |
1025 | } | |
3e260a46 JA |
1026 | if (td->o.latency_target) |
1027 | goto reap; | |
2e1df07d | 1028 | break; |
3e260a46 | 1029 | } |
2e1df07d | 1030 | |
5c5c33c1 BVA |
1031 | if (io_u->ddir == DDIR_WRITE && td->flags & TD_F_DO_VERIFY) |
1032 | populate_verify_io_u(td, io_u); | |
1033 | ||
2e1df07d JA |
1034 | ddir = io_u->ddir; |
1035 | ||
1036 | /* | |
82af2a7c JA |
1037 | * Add verification end_io handler if: |
1038 | * - Asked to verify (!td_rw(td)) | |
1039 | * - Or the io_u is from our verify list (mixed write/ver) | |
2e1df07d JA |
1040 | */ |
1041 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ && | |
82af2a7c | 1042 | ((io_u->flags & IO_U_F_VER_LIST) || !td_rw(td))) { |
c4b6117b | 1043 | |
ca09be4b JA |
1044 | if (verify_state_should_stop(td, io_u)) { |
1045 | put_io_u(td, io_u); | |
1046 | break; | |
1047 | } | |
1048 | ||
2e1df07d JA |
1049 | if (td->o.verify_async) |
1050 | io_u->end_io = verify_io_u_async; | |
1051 | else | |
1052 | io_u->end_io = verify_io_u; | |
1053 | td_set_runstate(td, TD_VERIFYING); | |
1054 | } else if (in_ramp_time(td)) | |
1055 | td_set_runstate(td, TD_RAMP); | |
1056 | else | |
1057 | td_set_runstate(td, TD_RUNNING); | |
1058 | ||
9a50c5c5 | 1059 | /* |
f9401285 JA |
1060 | * Always log IO before it's issued, so we know the specific |
1061 | * order of it. The logged unit will track when the IO has | |
1062 | * completed. | |
9a50c5c5 | 1063 | */ |
c4b6117b PV |
1064 | if (td_write(td) && io_u->ddir == DDIR_WRITE && |
1065 | td->o.do_verify && | |
1066 | td->o.verify != VERIFY_NONE && | |
f9401285 | 1067 | !td->o.experimental_verify) |
c4b6117b PV |
1068 | log_io_piece(td, io_u); |
1069 | ||
a9da8ab2 | 1070 | if (td->o.io_submit_mode == IO_MODE_OFFLOAD) { |
5fff9543 | 1071 | const unsigned long long blen = io_u->xfer_buflen; |
a43f4461 | 1072 | const enum fio_ddir __ddir = acct_ddir(io_u); |
0c5df5f9 | 1073 | |
a9da8ab2 JA |
1074 | if (td->error) |
1075 | break; | |
0c5df5f9 | 1076 | |
26de50cf JA |
1077 | workqueue_enqueue(&td->io_wq, &io_u->work); |
1078 | ret = FIO_Q_QUEUED; | |
50a8ce86 | 1079 | |
a43f4461 JA |
1080 | if (ddir_rw(__ddir)) { |
1081 | td->io_issues[__ddir]++; | |
1082 | td->io_issue_bytes[__ddir] += blen; | |
1083 | td->rate_io_issue_bytes[__ddir] += blen; | |
0c5df5f9 JA |
1084 | } |
1085 | ||
5b28b75b | 1086 | if (should_check_rate(td)) { |
a43f4461 | 1087 | td->rate_next_io_time[__ddir] = usec_for_io(td, __ddir); |
5b28b75b | 1088 | fio_gettime(&comp_time, NULL); |
1089 | } | |
50a8ce86 | 1090 | |
a9da8ab2 | 1091 | } else { |
08b2b386 | 1092 | ret = io_u_submit(td, io_u); |
2e1df07d | 1093 | |
50a8ce86 D |
1094 | if (should_check_rate(td)) |
1095 | td->rate_next_io_time[ddir] = usec_for_io(td, ddir); | |
1096 | ||
fd727d9d | 1097 | if (io_queue_event(td, io_u, &ret, ddir, &bytes_issued, 0, &comp_time)) |
a9da8ab2 | 1098 | break; |
2e1df07d | 1099 | |
a9da8ab2 JA |
1100 | /* |
1101 | * See if we need to complete some commands. Note that | |
1102 | * we can get BUSY even without IO queued, if the | |
1103 | * system is resource starved. | |
1104 | */ | |
3e260a46 | 1105 | reap: |
a9da8ab2 JA |
1106 | full = queue_full(td) || |
1107 | (ret == FIO_Q_BUSY && td->cur_depth); | |
82407585 | 1108 | if (full || io_in_polling(td)) |
a9da8ab2 JA |
1109 | ret = wait_for_completions(td, &comp_time); |
1110 | } | |
2e1df07d JA |
1111 | if (ret < 0) |
1112 | break; | |
33f42c20 HQ |
1113 | |
1114 | if (ddir_rw(ddir) && td->o.thinktime) | |
7216b664 | 1115 | handle_thinktime(td, ddir, &comp_time); |
33f42c20 | 1116 | |
55312f9f | 1117 | if (!ddir_rw_sum(td->bytes_done) && |
9b87f09b | 1118 | !td_ioengine_flagged(td, FIO_NOIO)) |
2e1df07d JA |
1119 | continue; |
1120 | ||
55312f9f JA |
1121 | if (!in_ramp_time(td) && should_check_rate(td)) { |
1122 | if (check_min_rate(td, &comp_time)) { | |
f9cafb12 | 1123 | if (exitall_on_terminate || td->o.exitall_error) |
64402a8a | 1124 | fio_terminate_threads(td->groupid, td->o.exit_what); |
2e1df07d JA |
1125 | td_verror(td, EIO, "check_min_rate"); |
1126 | break; | |
1127 | } | |
1128 | } | |
3e260a46 JA |
1129 | if (!in_ramp_time(td) && td->o.latency_target) |
1130 | lat_target_check(td); | |
2e1df07d JA |
1131 | } |
1132 | ||
c97f1ad6 JA |
1133 | check_update_rusage(td); |
1134 | ||
2e1df07d | 1135 | if (td->trim_entries) |
4e0a8fa2 | 1136 | log_err("fio: %lu trim entries leaked?\n", td->trim_entries); |
2e1df07d | 1137 | |
418f5399 | 1138 | if (td->o.fill_device && (td->error == ENOSPC || td->error == EDQUOT)) { |
2e1df07d | 1139 | td->error = 0; |
ebea2133 | 1140 | fio_mark_td_terminate(td); |
2e1df07d JA |
1141 | } |
1142 | if (!td->error) { | |
1143 | struct fio_file *f; | |
1144 | ||
a9da8ab2 JA |
1145 | if (td->o.io_submit_mode == IO_MODE_OFFLOAD) { |
1146 | workqueue_flush(&td->io_wq); | |
1147 | i = 0; | |
1148 | } else | |
1149 | i = td->cur_depth; | |
1150 | ||
2e1df07d | 1151 | if (i) { |
55312f9f | 1152 | ret = io_u_queued_complete(td, i); |
418f5399 MB |
1153 | if (td->o.fill_device && |
1154 | (td->error == ENOSPC || td->error == EDQUOT)) | |
2e1df07d JA |
1155 | td->error = 0; |
1156 | } | |
1157 | ||
00615bfb | 1158 | if (should_fsync(td) && (td->o.end_fsync || td->o.fsync_on_close)) { |
2e1df07d JA |
1159 | td_set_runstate(td, TD_FSYNCING); |
1160 | ||
1161 | for_each_file(td, f, i) { | |
61ee0f86 | 1162 | if (!fio_file_fsync(td, f)) |
2e1df07d | 1163 | continue; |
61ee0f86 JA |
1164 | |
1165 | log_err("fio: end_fsync failed for file %s\n", | |
1166 | f->file_name); | |
2e1df07d JA |
1167 | } |
1168 | } | |
5b28b75b | 1169 | } else { |
1170 | if (td->o.io_submit_mode == IO_MODE_OFFLOAD) | |
1171 | workqueue_flush(&td->io_wq); | |
2e1df07d | 1172 | cleanup_pending_aio(td); |
5b28b75b | 1173 | } |
2e1df07d JA |
1174 | |
1175 | /* | |
1176 | * stop job if we failed doing any IO | |
1177 | */ | |
342f4be4 | 1178 | if (!ddir_rw_sum(td->this_io_bytes)) |
2e1df07d | 1179 | td->done = 1; |
100f49f1 | 1180 | |
95b03be0 JA |
1181 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
1182 | bytes_done[i] = td->bytes_done[i] - bytes_done[i]; | |
2e1df07d JA |
1183 | } |
1184 | ||
94a6e1bb JA |
1185 | static void free_file_completion_logging(struct thread_data *td) |
1186 | { | |
1187 | struct fio_file *f; | |
1188 | unsigned int i; | |
1189 | ||
1190 | for_each_file(td, f, i) { | |
1191 | if (!f->last_write_comp) | |
1192 | break; | |
1193 | sfree(f->last_write_comp); | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | static int init_file_completion_logging(struct thread_data *td, | |
1198 | unsigned int depth) | |
1199 | { | |
1200 | struct fio_file *f; | |
1201 | unsigned int i; | |
1202 | ||
1203 | if (td->o.verify == VERIFY_NONE || !td->o.verify_state_save) | |
1204 | return 0; | |
1205 | ||
1206 | for_each_file(td, f, i) { | |
1207 | f->last_write_comp = scalloc(depth, sizeof(uint64_t)); | |
1208 | if (!f->last_write_comp) | |
1209 | goto cleanup; | |
1210 | } | |
1211 | ||
1212 | return 0; | |
1213 | ||
1214 | cleanup: | |
1215 | free_file_completion_logging(td); | |
1216 | log_err("fio: failed to alloc write comp data\n"); | |
1217 | return 1; | |
1218 | } | |
1219 | ||
2e1df07d JA |
1220 | static void cleanup_io_u(struct thread_data *td) |
1221 | { | |
2e1df07d JA |
1222 | struct io_u *io_u; |
1223 | ||
2ae0b204 | 1224 | while ((io_u = io_u_qpop(&td->io_u_freelist)) != NULL) { |
c73ed246 JA |
1225 | |
1226 | if (td->io_ops->io_u_free) | |
1227 | td->io_ops->io_u_free(td, io_u); | |
1228 | ||
3114b675 | 1229 | fio_memfree(io_u, sizeof(*io_u), td_offload_overlap(td)); |
2e1df07d JA |
1230 | } |
1231 | ||
1232 | free_io_mem(td); | |
2ae0b204 JA |
1233 | |
1234 | io_u_rexit(&td->io_u_requeues); | |
3114b675 VF |
1235 | io_u_qexit(&td->io_u_freelist, false); |
1236 | io_u_qexit(&td->io_u_all, td_offload_overlap(td)); | |
ca09be4b | 1237 | |
94a6e1bb | 1238 | free_file_completion_logging(td); |
2e1df07d JA |
1239 | } |
1240 | ||
1241 | static int init_io_u(struct thread_data *td) | |
1242 | { | |
1243 | struct io_u *io_u; | |
2e1df07d | 1244 | int cl_align, i, max_units; |
71e6e5a2 | 1245 | int err; |
2e1df07d JA |
1246 | |
1247 | max_units = td->o.iodepth; | |
59d8d0f5 | 1248 | |
2ae0b204 | 1249 | err = 0; |
34851ad5 | 1250 | err += !io_u_rinit(&td->io_u_requeues, td->o.iodepth); |
3114b675 VF |
1251 | err += !io_u_qinit(&td->io_u_freelist, td->o.iodepth, false); |
1252 | err += !io_u_qinit(&td->io_u_all, td->o.iodepth, td_offload_overlap(td)); | |
2ae0b204 JA |
1253 | |
1254 | if (err) { | |
1255 | log_err("fio: failed setting up IO queues\n"); | |
1256 | return 1; | |
1257 | } | |
1258 | ||
71e6e5a2 AK |
1259 | cl_align = os_cache_line_size(); |
1260 | ||
1261 | for (i = 0; i < max_units; i++) { | |
1262 | void *ptr; | |
1263 | ||
1264 | if (td->terminate) | |
1265 | return 1; | |
1266 | ||
3114b675 | 1267 | ptr = fio_memalign(cl_align, sizeof(*io_u), td_offload_overlap(td)); |
71e6e5a2 AK |
1268 | if (!ptr) { |
1269 | log_err("fio: unable to allocate aligned memory\n"); | |
ab43b8cb | 1270 | return 1; |
71e6e5a2 AK |
1271 | } |
1272 | ||
1273 | io_u = ptr; | |
1274 | memset(io_u, 0, sizeof(*io_u)); | |
1275 | INIT_FLIST_HEAD(&io_u->verify_list); | |
1276 | dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i); | |
1277 | ||
1278 | io_u->index = i; | |
1279 | io_u->flags = IO_U_F_FREE; | |
1280 | io_u_qpush(&td->io_u_freelist, io_u); | |
1281 | ||
1282 | /* | |
1283 | * io_u never leaves this stack, used for iteration of all | |
1284 | * io_u buffers. | |
1285 | */ | |
1286 | io_u_qpush(&td->io_u_all, io_u); | |
1287 | ||
1288 | if (td->io_ops->io_u_init) { | |
1289 | int ret = td->io_ops->io_u_init(td, io_u); | |
1290 | ||
1291 | if (ret) { | |
1292 | log_err("fio: failed to init engine data: %d\n", ret); | |
1293 | return 1; | |
1294 | } | |
1295 | } | |
1296 | } | |
1297 | ||
1298 | init_io_u_buffers(td); | |
1299 | ||
1300 | if (init_file_completion_logging(td, max_units)) | |
1301 | return 1; | |
1302 | ||
1303 | return 0; | |
1304 | } | |
1305 | ||
1306 | int init_io_u_buffers(struct thread_data *td) | |
1307 | { | |
1308 | struct io_u *io_u; | |
1309 | unsigned long long max_bs, min_write; | |
1310 | int i, max_units; | |
1311 | int data_xfer = 1; | |
1312 | char *p; | |
1313 | ||
1314 | max_units = td->o.iodepth; | |
1315 | max_bs = td_max_bs(td); | |
1316 | min_write = td->o.min_bs[DDIR_WRITE]; | |
1317 | td->orig_buffer_size = (unsigned long long) max_bs | |
1318 | * (unsigned long long) max_units; | |
1319 | ||
1320 | if (td_ioengine_flagged(td, FIO_NOIO) || !(td_read(td) || td_write(td))) | |
1321 | data_xfer = 0; | |
1322 | ||
fd8a09b8 | 1323 | /* |
1324 | * if we may later need to do address alignment, then add any | |
1325 | * possible adjustment here so that we don't cause a buffer | |
1326 | * overflow later. this adjustment may be too much if we get | |
1327 | * lucky and the allocator gives us an aligned address. | |
1328 | */ | |
d01612f3 | 1329 | if (td->o.odirect || td->o.mem_align || td->o.oatomic || |
9b87f09b | 1330 | td_ioengine_flagged(td, FIO_RAWIO)) |
fd8a09b8 | 1331 | td->orig_buffer_size += page_mask + td->o.mem_align; |
1332 | ||
2e1df07d | 1333 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { |
5fff9543 | 1334 | unsigned long long bs; |
2e1df07d JA |
1335 | |
1336 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; | |
1337 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); | |
1338 | } | |
1339 | ||
1340 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { | |
1341 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); | |
1342 | return 1; | |
1343 | } | |
1344 | ||
59d8d0f5 | 1345 | if (data_xfer && allocate_io_mem(td)) |
2e1df07d JA |
1346 | return 1; |
1347 | ||
d01612f3 | 1348 | if (td->o.odirect || td->o.mem_align || td->o.oatomic || |
9b87f09b | 1349 | td_ioengine_flagged(td, FIO_RAWIO)) |
248c9436 | 1350 | p = PTR_ALIGN(td->orig_buffer, page_mask) + td->o.mem_align; |
2e1df07d JA |
1351 | else |
1352 | p = td->orig_buffer; | |
1353 | ||
2e1df07d | 1354 | for (i = 0; i < max_units; i++) { |
71e6e5a2 | 1355 | io_u = td->io_u_all.io_us[i]; |
2e1df07d JA |
1356 | dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i); |
1357 | ||
59d8d0f5 | 1358 | if (data_xfer) { |
2e1df07d JA |
1359 | io_u->buf = p; |
1360 | dprint(FD_MEM, "io_u %p, mem %p\n", io_u, io_u->buf); | |
1361 | ||
1362 | if (td_write(td)) | |
9c42684e | 1363 | io_u_fill_buffer(td, io_u, min_write, max_bs); |
2e1df07d JA |
1364 | if (td_write(td) && td->o.verify_pattern_bytes) { |
1365 | /* | |
1366 | * Fill the buffer with the pattern if we are | |
1367 | * going to be doing writes. | |
1368 | */ | |
ce35b1ec | 1369 | fill_verify_pattern(td, io_u->buf, max_bs, io_u, 0, 0); |
2e1df07d JA |
1370 | } |
1371 | } | |
2e1df07d JA |
1372 | p += max_bs; |
1373 | } | |
1374 | ||
1375 | return 0; | |
1376 | } | |
1377 | ||
5592e992 | 1378 | #ifdef FIO_HAVE_IOSCHED_SWITCH |
bd4d9bdc | 1379 | /* |
5592e992 | 1380 | * These functions are Linux specific. |
bd4d9bdc TK |
1381 | * FIO_HAVE_IOSCHED_SWITCH enabled currently means it's Linux. |
1382 | */ | |
5592e992 | 1383 | static int set_ioscheduler(struct thread_data *td, struct fio_file *file) |
2e1df07d | 1384 | { |
178ef27a | 1385 | char tmp[256], tmp2[128], *p; |
2e1df07d JA |
1386 | FILE *f; |
1387 | int ret; | |
1388 | ||
5592e992 DLM |
1389 | assert(file->du && file->du->sysfs_root); |
1390 | sprintf(tmp, "%s/queue/scheduler", file->du->sysfs_root); | |
2e1df07d JA |
1391 | |
1392 | f = fopen(tmp, "r+"); | |
1393 | if (!f) { | |
1394 | if (errno == ENOENT) { | |
1395 | log_err("fio: os or kernel doesn't support IO scheduler" | |
1396 | " switching\n"); | |
1397 | return 0; | |
1398 | } | |
1399 | td_verror(td, errno, "fopen iosched"); | |
1400 | return 1; | |
1401 | } | |
1402 | ||
1403 | /* | |
1404 | * Set io scheduler. | |
1405 | */ | |
1406 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); | |
1407 | if (ferror(f) || ret != 1) { | |
1408 | td_verror(td, errno, "fwrite"); | |
1409 | fclose(f); | |
1410 | return 1; | |
1411 | } | |
1412 | ||
1413 | rewind(f); | |
1414 | ||
1415 | /* | |
1416 | * Read back and check that the selected scheduler is now the default. | |
1417 | */ | |
0e23d456 | 1418 | ret = fread(tmp, 1, sizeof(tmp) - 1, f); |
2e1df07d JA |
1419 | if (ferror(f) || ret < 0) { |
1420 | td_verror(td, errno, "fread"); | |
1421 | fclose(f); | |
1422 | return 1; | |
1423 | } | |
0e23d456 | 1424 | tmp[ret] = '\0'; |
b44b9e45 | 1425 | /* |
178ef27a BVA |
1426 | * either a list of io schedulers or "none\n" is expected. Strip the |
1427 | * trailing newline. | |
b44b9e45 | 1428 | */ |
178ef27a BVA |
1429 | p = tmp; |
1430 | strsep(&p, "\n"); | |
49c6f33d | 1431 | |
67f28a8c TK |
1432 | /* |
1433 | * Write to "none" entry doesn't fail, so check the result here. | |
1434 | */ | |
1435 | if (!strcmp(tmp, "none")) { | |
1436 | log_err("fio: io scheduler is not tunable\n"); | |
1437 | fclose(f); | |
1438 | return 0; | |
1439 | } | |
2e1df07d JA |
1440 | |
1441 | sprintf(tmp2, "[%s]", td->o.ioscheduler); | |
1442 | if (!strstr(tmp, tmp2)) { | |
da44720c | 1443 | log_err("fio: unable to set io scheduler to %s\n", td->o.ioscheduler); |
2e1df07d JA |
1444 | td_verror(td, EINVAL, "iosched_switch"); |
1445 | fclose(f); | |
1446 | return 1; | |
1447 | } | |
1448 | ||
1449 | fclose(f); | |
1450 | return 0; | |
5592e992 DLM |
1451 | } |
1452 | ||
1453 | static int switch_ioscheduler(struct thread_data *td) | |
1454 | { | |
1455 | struct fio_file *f; | |
1456 | unsigned int i; | |
1457 | int ret = 0; | |
1458 | ||
1459 | if (td_ioengine_flagged(td, FIO_DISKLESSIO)) | |
1460 | return 0; | |
1461 | ||
1462 | assert(td->files && td->files[0]); | |
1463 | ||
1464 | for_each_file(td, f, i) { | |
1465 | ||
1466 | /* Only consider regular files and block device files */ | |
1467 | switch (f->filetype) { | |
1468 | case FIO_TYPE_FILE: | |
1469 | case FIO_TYPE_BLOCK: | |
1470 | /* | |
1471 | * Make sure that the device hosting the file could | |
1472 | * be determined. | |
1473 | */ | |
1474 | if (!f->du) | |
1475 | continue; | |
1476 | break; | |
1477 | case FIO_TYPE_CHAR: | |
1478 | case FIO_TYPE_PIPE: | |
1479 | default: | |
1480 | continue; | |
1481 | } | |
1482 | ||
1483 | ret = set_ioscheduler(td, f); | |
1484 | if (ret) | |
1485 | return ret; | |
1486 | } | |
1487 | ||
1488 | return 0; | |
1489 | } | |
1490 | ||
db815fb3 | 1491 | #else |
5592e992 DLM |
1492 | |
1493 | static int switch_ioscheduler(struct thread_data *td) | |
1494 | { | |
db815fb3 | 1495 | return 0; |
2e1df07d JA |
1496 | } |
1497 | ||
5592e992 DLM |
1498 | #endif /* FIO_HAVE_IOSCHED_SWITCH */ |
1499 | ||
e39c0676 | 1500 | static bool keep_running(struct thread_data *td) |
2e1df07d | 1501 | { |
77731b29 JA |
1502 | unsigned long long limit; |
1503 | ||
2e1df07d | 1504 | if (td->done) |
e39c0676 | 1505 | return false; |
98413be7 SW |
1506 | if (td->terminate) |
1507 | return false; | |
2e1df07d | 1508 | if (td->o.time_based) |
e39c0676 | 1509 | return true; |
2e1df07d JA |
1510 | if (td->o.loops) { |
1511 | td->o.loops--; | |
e39c0676 | 1512 | return true; |
2e1df07d | 1513 | } |
3939fe85 | 1514 | if (exceeds_number_ios(td)) |
e39c0676 | 1515 | return false; |
26251d8d | 1516 | |
5be9bf09 TK |
1517 | if (td->o.io_size) |
1518 | limit = td->o.io_size; | |
77731b29 JA |
1519 | else |
1520 | limit = td->o.size; | |
1521 | ||
1522 | if (limit != -1ULL && ddir_rw_sum(td->io_bytes) < limit) { | |
5bd5f71a JA |
1523 | uint64_t diff; |
1524 | ||
1525 | /* | |
589d5d4f | 1526 | * If the difference is less than the maximum IO size, we |
5bd5f71a JA |
1527 | * are done. |
1528 | */ | |
77731b29 | 1529 | diff = limit - ddir_rw_sum(td->io_bytes); |
74f4b020 | 1530 | if (diff < td_max_bs(td)) |
e39c0676 | 1531 | return false; |
5bd5f71a | 1532 | |
5be9bf09 | 1533 | if (fio_files_done(td) && !td->o.io_size) |
e39c0676 | 1534 | return false; |
002fe734 | 1535 | |
e39c0676 | 1536 | return true; |
5bd5f71a | 1537 | } |
2e1df07d | 1538 | |
e39c0676 | 1539 | return false; |
2e1df07d JA |
1540 | } |
1541 | ||
b7e4a53c BVA |
1542 | static int exec_string(struct thread_options *o, const char *string, |
1543 | const char *mode) | |
2e1df07d | 1544 | { |
f491a907 | 1545 | int ret; |
2e1df07d JA |
1546 | char *str; |
1547 | ||
b7e4a53c BVA |
1548 | if (asprintf(&str, "%s > %s.%s.txt 2>&1", string, o->name, mode) < 0) |
1549 | return -1; | |
2e1df07d | 1550 | |
b7e4a53c BVA |
1551 | log_info("%s : Saving output of %s in %s.%s.txt\n", o->name, mode, |
1552 | o->name, mode); | |
2e1df07d JA |
1553 | ret = system(str); |
1554 | if (ret == -1) | |
1555 | log_err("fio: exec of cmd <%s> failed\n", str); | |
1556 | ||
1557 | free(str); | |
1558 | return ret; | |
1559 | } | |
1560 | ||
62167762 JC |
1561 | /* |
1562 | * Dry run to compute correct state of numberio for verification. | |
1563 | */ | |
1564 | static uint64_t do_dry_run(struct thread_data *td) | |
1565 | { | |
62167762 JC |
1566 | td_set_runstate(td, TD_RUNNING); |
1567 | ||
1568 | while ((td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || | |
e28dd2cf | 1569 | (!flist_empty(&td->trim_list)) || !io_complete_bytes_exceeded(td)) { |
62167762 JC |
1570 | struct io_u *io_u; |
1571 | int ret; | |
1572 | ||
1573 | if (td->terminate || td->done) | |
1574 | break; | |
1575 | ||
1576 | io_u = get_io_u(td); | |
99955d3d | 1577 | if (IS_ERR_OR_NULL(io_u)) |
62167762 JC |
1578 | break; |
1579 | ||
1651e431 | 1580 | io_u_set(td, io_u, IO_U_F_FLIGHT); |
62167762 JC |
1581 | io_u->error = 0; |
1582 | io_u->resid = 0; | |
1583 | if (ddir_rw(acct_ddir(io_u))) | |
1584 | td->io_issues[acct_ddir(io_u)]++; | |
1585 | if (ddir_rw(io_u->ddir)) { | |
1586 | io_u_mark_depth(td, 1); | |
1587 | td->ts.total_io_u[io_u->ddir]++; | |
1588 | } | |
1589 | ||
2e63e96b PV |
1590 | if (td_write(td) && io_u->ddir == DDIR_WRITE && |
1591 | td->o.do_verify && | |
1592 | td->o.verify != VERIFY_NONE && | |
1593 | !td->o.experimental_verify) | |
1594 | log_io_piece(td, io_u); | |
1595 | ||
55312f9f | 1596 | ret = io_u_sync_complete(td, io_u); |
62167762 JC |
1597 | (void) ret; |
1598 | } | |
1599 | ||
55312f9f | 1600 | return td->bytes_done[DDIR_WRITE] + td->bytes_done[DDIR_TRIM]; |
62167762 JC |
1601 | } |
1602 | ||
24660963 JA |
1603 | struct fork_data { |
1604 | struct thread_data *td; | |
1605 | struct sk_out *sk_out; | |
1606 | }; | |
1607 | ||
2e1df07d JA |
1608 | /* |
1609 | * Entry point for the thread based jobs. The process based jobs end up | |
1610 | * here as well, after a little setup. | |
1611 | */ | |
1612 | static void *thread_main(void *data) | |
1613 | { | |
24660963 | 1614 | struct fork_data *fd = data; |
95603b74 | 1615 | unsigned long long elapsed_us[DDIR_RWDIR_CNT] = { 0, }; |
24660963 | 1616 | struct thread_data *td = fd->td; |
4896473e | 1617 | struct thread_options *o = &td->o; |
24660963 | 1618 | struct sk_out *sk_out = fd->sk_out; |
48366f3a | 1619 | uint64_t bytes_done[DDIR_RWDIR_CNT]; |
ca0122d8 | 1620 | int deadlock_loop_cnt; |
ff3aa922 | 1621 | bool clear_state; |
a38c70a8 | 1622 | int res, ret; |
2e1df07d | 1623 | |
24660963 JA |
1624 | sk_out_assign(sk_out); |
1625 | free(fd); | |
1626 | ||
4896473e | 1627 | if (!o->use_thread) { |
2e1df07d JA |
1628 | setsid(); |
1629 | td->pid = getpid(); | |
1630 | } else | |
1631 | td->pid = gettid(); | |
1632 | ||
a0eba820 | 1633 | fio_local_clock_init(); |
5d879392 | 1634 | |
2e1df07d JA |
1635 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
1636 | ||
122c7725 JA |
1637 | if (is_backend) |
1638 | fio_server_send_start(td); | |
1639 | ||
2e1df07d JA |
1640 | INIT_FLIST_HEAD(&td->io_log_list); |
1641 | INIT_FLIST_HEAD(&td->io_hist_list); | |
1642 | INIT_FLIST_HEAD(&td->verify_list); | |
1643 | INIT_FLIST_HEAD(&td->trim_list); | |
2e1df07d JA |
1644 | td->io_hist_tree = RB_ROOT; |
1645 | ||
34febb23 | 1646 | ret = mutex_cond_init_pshared(&td->io_u_lock, &td->free_cond); |
f9e5b5ee | 1647 | if (ret) { |
34febb23 | 1648 | td_verror(td, ret, "mutex_cond_init_pshared"); |
f9e5b5ee JK |
1649 | goto err; |
1650 | } | |
34febb23 | 1651 | ret = cond_init_pshared(&td->verify_cond); |
f9e5b5ee | 1652 | if (ret) { |
34febb23 | 1653 | td_verror(td, ret, "mutex_cond_pshared"); |
f9e5b5ee JK |
1654 | goto err; |
1655 | } | |
2e1df07d JA |
1656 | |
1657 | td_set_runstate(td, TD_INITIALIZED); | |
971caeb1 BVA |
1658 | dprint(FD_MUTEX, "up startup_sem\n"); |
1659 | fio_sem_up(startup_sem); | |
1660 | dprint(FD_MUTEX, "wait on td->sem\n"); | |
1661 | fio_sem_down(td->sem); | |
1662 | dprint(FD_MUTEX, "done waiting on td->sem\n"); | |
2e1df07d | 1663 | |
2e1df07d JA |
1664 | /* |
1665 | * A new gid requires privilege, so we need to do this before setting | |
1666 | * the uid. | |
1667 | */ | |
4896473e | 1668 | if (o->gid != -1U && setgid(o->gid)) { |
2e1df07d JA |
1669 | td_verror(td, errno, "setgid"); |
1670 | goto err; | |
1671 | } | |
4896473e | 1672 | if (o->uid != -1U && setuid(o->uid)) { |
2e1df07d JA |
1673 | td_verror(td, errno, "setuid"); |
1674 | goto err; | |
1675 | } | |
1676 | ||
07776127 JA |
1677 | td_zone_gen_index(td); |
1678 | ||
2354d810 JA |
1679 | /* |
1680 | * Do this early, we don't want the compress threads to be limited | |
1681 | * to the same CPUs as the IO workers. So do this before we set | |
1682 | * any potential CPU affinity | |
1683 | */ | |
1684 | if (iolog_compress_init(td, sk_out)) | |
1685 | goto err; | |
1686 | ||
2e1df07d JA |
1687 | /* |
1688 | * If we have a gettimeofday() thread, make sure we exclude that | |
1689 | * thread from this job | |
1690 | */ | |
4896473e JA |
1691 | if (o->gtod_cpu) |
1692 | fio_cpu_clear(&o->cpumask, o->gtod_cpu); | |
2e1df07d JA |
1693 | |
1694 | /* | |
1695 | * Set affinity first, in case it has an impact on the memory | |
1696 | * allocations. | |
1697 | */ | |
b2a9e649 | 1698 | if (fio_option_is_set(o, cpumask)) { |
c2acfbac | 1699 | if (o->cpus_allowed_policy == FIO_CPUS_SPLIT) { |
30cb4c65 | 1700 | ret = fio_cpus_split(&o->cpumask, td->thread_number - 1); |
c2acfbac JA |
1701 | if (!ret) { |
1702 | log_err("fio: no CPUs set\n"); | |
1703 | log_err("fio: Try increasing number of available CPUs\n"); | |
1704 | td_verror(td, EINVAL, "cpus_split"); | |
1705 | goto err; | |
1706 | } | |
1707 | } | |
28727df7 JA |
1708 | ret = fio_setaffinity(td->pid, o->cpumask); |
1709 | if (ret == -1) { | |
4896473e JA |
1710 | td_verror(td, errno, "cpu_set_affinity"); |
1711 | goto err; | |
1712 | } | |
2e1df07d JA |
1713 | } |
1714 | ||
67bf9823 | 1715 | #ifdef CONFIG_LIBNUMA |
d0b937ed | 1716 | /* numa node setup */ |
b2a9e649 JA |
1717 | if (fio_option_is_set(o, numa_cpunodes) || |
1718 | fio_option_is_set(o, numa_memnodes)) { | |
43522848 | 1719 | struct bitmask *mask; |
d0b937ed YR |
1720 | |
1721 | if (numa_available() < 0) { | |
1722 | td_verror(td, errno, "Does not support NUMA API\n"); | |
1723 | goto err; | |
1724 | } | |
1725 | ||
b2a9e649 | 1726 | if (fio_option_is_set(o, numa_cpunodes)) { |
43522848 DG |
1727 | mask = numa_parse_nodestring(o->numa_cpunodes); |
1728 | ret = numa_run_on_node_mask(mask); | |
1729 | numa_free_nodemask(mask); | |
d0b937ed YR |
1730 | if (ret == -1) { |
1731 | td_verror(td, errno, \ | |
1732 | "numa_run_on_node_mask failed\n"); | |
1733 | goto err; | |
1734 | } | |
1735 | } | |
1736 | ||
b2a9e649 | 1737 | if (fio_option_is_set(o, numa_memnodes)) { |
43522848 DG |
1738 | mask = NULL; |
1739 | if (o->numa_memnodes) | |
1740 | mask = numa_parse_nodestring(o->numa_memnodes); | |
1741 | ||
4896473e | 1742 | switch (o->numa_mem_mode) { |
d0b937ed | 1743 | case MPOL_INTERLEAVE: |
43522848 | 1744 | numa_set_interleave_mask(mask); |
d0b937ed YR |
1745 | break; |
1746 | case MPOL_BIND: | |
43522848 | 1747 | numa_set_membind(mask); |
d0b937ed YR |
1748 | break; |
1749 | case MPOL_LOCAL: | |
1750 | numa_set_localalloc(); | |
1751 | break; | |
1752 | case MPOL_PREFERRED: | |
4896473e | 1753 | numa_set_preferred(o->numa_mem_prefer_node); |
d0b937ed YR |
1754 | break; |
1755 | case MPOL_DEFAULT: | |
1756 | default: | |
1757 | break; | |
1758 | } | |
1759 | ||
43522848 DG |
1760 | if (mask) |
1761 | numa_free_nodemask(mask); | |
1762 | ||
d0b937ed YR |
1763 | } |
1764 | } | |
1765 | #endif | |
1766 | ||
9a3f1100 JA |
1767 | if (fio_pin_memory(td)) |
1768 | goto err; | |
1769 | ||
2e1df07d JA |
1770 | /* |
1771 | * May alter parameters that init_io_u() will use, so we need to | |
1772 | * do this first. | |
1773 | */ | |
b153f94a | 1774 | if (!init_iolog(td)) |
2e1df07d JA |
1775 | goto err; |
1776 | ||
61b20c5c NC |
1777 | /* ioprio_set() has to be done before td_io_init() */ |
1778 | if (fio_option_is_set(o, ioprio) || | |
1779 | fio_option_is_set(o, ioprio_class)) { | |
1780 | ret = ioprio_set(IOPRIO_WHO_PROCESS, 0, o->ioprio_class, o->ioprio); | |
1781 | if (ret == -1) { | |
1782 | td_verror(td, errno, "ioprio_set"); | |
1783 | goto err; | |
1784 | } | |
1785 | td->ioprio = ioprio_value(o->ioprio_class, o->ioprio); | |
2df7f081 | 1786 | td->ts.ioprio = td->ioprio; |
61b20c5c NC |
1787 | } |
1788 | ||
08dc3bd5 JA |
1789 | if (td_io_init(td)) |
1790 | goto err; | |
1791 | ||
2e1df07d JA |
1792 | if (init_io_u(td)) |
1793 | goto err; | |
1794 | ||
2041bd34 JA |
1795 | if (td->io_ops->post_init && td->io_ops->post_init(td)) |
1796 | goto err; | |
1797 | ||
4896473e | 1798 | if (o->verify_async && verify_async_init(td)) |
2e1df07d JA |
1799 | goto err; |
1800 | ||
4896473e | 1801 | if (o->cgroup && cgroup_setup(td, cgroup_list, &cgroup_mnt)) |
2e1df07d JA |
1802 | goto err; |
1803 | ||
649c10c5 | 1804 | errno = 0; |
4896473e | 1805 | if (nice(o->nice) == -1 && errno != 0) { |
2e1df07d JA |
1806 | td_verror(td, errno, "nice"); |
1807 | goto err; | |
1808 | } | |
1809 | ||
4896473e | 1810 | if (o->ioscheduler && switch_ioscheduler(td)) |
2e1df07d JA |
1811 | goto err; |
1812 | ||
4896473e | 1813 | if (!o->create_serialize && setup_files(td)) |
2e1df07d JA |
1814 | goto err; |
1815 | ||
4d832322 | 1816 | if (!init_random_map(td)) |
2e1df07d JA |
1817 | goto err; |
1818 | ||
0518f09f | 1819 | if (o->exec_prerun && exec_string(o, o->exec_prerun, "prerun")) |
4896473e | 1820 | goto err; |
2e1df07d | 1821 | |
c139f3b4 JA |
1822 | if (o->pre_read && !pre_read_files(td)) |
1823 | goto err; | |
2e1df07d | 1824 | |
dc5bfbb2 JA |
1825 | fio_verify_init(td); |
1826 | ||
24660963 | 1827 | if (rate_submit_init(td, sk_out)) |
a9da8ab2 JA |
1828 | goto err; |
1829 | ||
d5b3cfd4 | 1830 | set_epoch_time(td, o->log_unix_epoch | o->log_alternate_epoch, o->log_alternate_epoch_clock_id); |
44404c5a | 1831 | fio_getrusage(&td->ru_start); |
ac28d905 JA |
1832 | memcpy(&td->bw_sample_time, &td->epoch, sizeof(td->epoch)); |
1833 | memcpy(&td->iops_sample_time, &td->epoch, sizeof(td->epoch)); | |
16e56d25 | 1834 | memcpy(&td->ss.prev_time, &td->epoch, sizeof(td->epoch)); |
ac28d905 | 1835 | |
f7942acd SK |
1836 | init_thinktime(td); |
1837 | ||
ac28d905 JA |
1838 | if (o->ratemin[DDIR_READ] || o->ratemin[DDIR_WRITE] || |
1839 | o->ratemin[DDIR_TRIM]) { | |
f5204b8a | 1840 | memcpy(&td->last_rate_check_time[DDIR_READ], &td->bw_sample_time, |
ac28d905 | 1841 | sizeof(td->bw_sample_time)); |
f5204b8a | 1842 | memcpy(&td->last_rate_check_time[DDIR_WRITE], &td->bw_sample_time, |
ac28d905 | 1843 | sizeof(td->bw_sample_time)); |
f5204b8a | 1844 | memcpy(&td->last_rate_check_time[DDIR_TRIM], &td->bw_sample_time, |
ac28d905 JA |
1845 | sizeof(td->bw_sample_time)); |
1846 | } | |
1847 | ||
48366f3a | 1848 | memset(bytes_done, 0, sizeof(bytes_done)); |
c16035aa | 1849 | clear_state = false; |
48366f3a | 1850 | |
2e1df07d | 1851 | while (keep_running(td)) { |
100f49f1 JA |
1852 | uint64_t verify_bytes; |
1853 | ||
2e1df07d | 1854 | fio_gettime(&td->start, NULL); |
8b6a404c | 1855 | memcpy(&td->ts_cache, &td->start, sizeof(td->start)); |
2e1df07d | 1856 | |
39c1c323 | 1857 | if (clear_state) { |
ac28d905 | 1858 | clear_io_state(td, 0); |
2e1df07d | 1859 | |
39c1c323 | 1860 | if (o->unlink_each_loop && unlink_all_files(td)) |
1861 | break; | |
1862 | } | |
1863 | ||
2e1df07d JA |
1864 | prune_io_piece_log(td); |
1865 | ||
dcf9844e | 1866 | if (td->o.verify_only && td_write(td)) |
62167762 | 1867 | verify_bytes = do_dry_run(td); |
095196b1 | 1868 | else { |
95b03be0 JA |
1869 | do_io(td, bytes_done); |
1870 | ||
1871 | if (!ddir_rw_sum(bytes_done)) { | |
095196b1 | 1872 | fio_mark_td_terminate(td); |
95b03be0 JA |
1873 | verify_bytes = 0; |
1874 | } else { | |
1875 | verify_bytes = bytes_done[DDIR_WRITE] + | |
1876 | bytes_done[DDIR_TRIM]; | |
1877 | } | |
095196b1 | 1878 | } |
2e1df07d | 1879 | |
49f0b8e0 JA |
1880 | /* |
1881 | * If we took too long to shut down, the main thread could | |
1882 | * already consider us reaped/exited. If that happens, break | |
1883 | * out and clean up. | |
1884 | */ | |
1885 | if (td->runstate >= TD_EXITED) | |
1886 | break; | |
1887 | ||
c16035aa | 1888 | clear_state = true; |
2e1df07d | 1889 | |
40c666c8 JA |
1890 | /* |
1891 | * Make sure we've successfully updated the rusage stats | |
1892 | * before waiting on the stat mutex. Otherwise we could have | |
1893 | * the stat thread holding stat mutex and waiting for | |
1894 | * the rusage_sem, which would never get upped because | |
1895 | * this thread is waiting for the stat mutex. | |
1896 | */ | |
ca0122d8 | 1897 | deadlock_loop_cnt = 0; |
39d13e67 JA |
1898 | do { |
1899 | check_update_rusage(td); | |
971caeb1 | 1900 | if (!fio_sem_down_trylock(stat_sem)) |
39d13e67 JA |
1901 | break; |
1902 | usleep(1000); | |
ca0122d8 | 1903 | if (deadlock_loop_cnt++ > 5000) { |
971caeb1 | 1904 | log_err("fio seems to be stuck grabbing stat_sem, forcibly exiting\n"); |
43f248c4 | 1905 | td->error = EDEADLK; |
ca0122d8 TT |
1906 | goto err; |
1907 | } | |
39d13e67 | 1908 | } while (1); |
40c666c8 | 1909 | |
95603b74 BF |
1910 | if (td_read(td) && td->io_bytes[DDIR_READ]) |
1911 | update_runtime(td, elapsed_us, DDIR_READ); | |
1912 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) | |
1913 | update_runtime(td, elapsed_us, DDIR_WRITE); | |
1914 | if (td_trim(td) && td->io_bytes[DDIR_TRIM]) | |
1915 | update_runtime(td, elapsed_us, DDIR_TRIM); | |
e5437a07 | 1916 | fio_gettime(&td->start, NULL); |
971caeb1 | 1917 | fio_sem_up(stat_sem); |
2e1df07d JA |
1918 | |
1919 | if (td->error || td->terminate) | |
1920 | break; | |
1921 | ||
4896473e JA |
1922 | if (!o->do_verify || |
1923 | o->verify == VERIFY_NONE || | |
9b87f09b | 1924 | td_ioengine_flagged(td, FIO_UNIDIR)) |
2e1df07d JA |
1925 | continue; |
1926 | ||
2d44f2c6 SK |
1927 | clear_io_state(td, 0); |
1928 | ||
2e1df07d JA |
1929 | fio_gettime(&td->start, NULL); |
1930 | ||
100f49f1 | 1931 | do_verify(td, verify_bytes); |
2e1df07d | 1932 | |
40c666c8 JA |
1933 | /* |
1934 | * See comment further up for why this is done here. | |
1935 | */ | |
1936 | check_update_rusage(td); | |
1937 | ||
971caeb1 | 1938 | fio_sem_down(stat_sem); |
95603b74 | 1939 | update_runtime(td, elapsed_us, DDIR_READ); |
e5437a07 | 1940 | fio_gettime(&td->start, NULL); |
971caeb1 | 1941 | fio_sem_up(stat_sem); |
2e1df07d JA |
1942 | |
1943 | if (td->error || td->terminate) | |
1944 | break; | |
1945 | } | |
1946 | ||
817ae977 VF |
1947 | /* |
1948 | * Acquire this lock if we were doing overlap checking in | |
1949 | * offload mode so that we don't clean up this job while | |
1950 | * another thread is checking its io_u's for overlap | |
1951 | */ | |
a38c70a8 BVA |
1952 | if (td_offload_overlap(td)) { |
1953 | int res = pthread_mutex_lock(&overlap_check); | |
1954 | assert(res == 0); | |
1955 | } | |
2cea0b4c | 1956 | td_set_runstate(td, TD_FINISHING); |
a38c70a8 BVA |
1957 | if (td_offload_overlap(td)) { |
1958 | res = pthread_mutex_unlock(&overlap_check); | |
1959 | assert(res == 0); | |
1960 | } | |
2cea0b4c | 1961 | |
2e1df07d | 1962 | update_rusage_stat(td); |
2e1df07d | 1963 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
dde39f8c AD |
1964 | for_each_rw_ddir(ddir) { |
1965 | td->ts.io_bytes[ddir] = td->io_bytes[ddir]; | |
1966 | } | |
2e1df07d | 1967 | |
ca09be4b | 1968 | if (td->o.verify_state_save && !(td->flags & TD_F_VSTATE_SAVED) && |
d264264a JA |
1969 | (td->o.verify != VERIFY_NONE && td_write(td))) |
1970 | verify_save_state(td->thread_number); | |
ca09be4b | 1971 | |
9a3f1100 JA |
1972 | fio_unpin_memory(td); |
1973 | ||
a47591e4 | 1974 | td_writeout_logs(td, true); |
2e1df07d | 1975 | |
155f2f02 | 1976 | iolog_compress_exit(td); |
103b174e | 1977 | rate_submit_exit(td); |
aee2ab67 | 1978 | |
4896473e | 1979 | if (o->exec_postrun) |
0518f09f | 1980 | exec_string(o, o->exec_postrun, "postrun"); |
2e1df07d | 1981 | |
f9cafb12 | 1982 | if (exitall_on_terminate || (o->exitall_error && td->error)) |
64402a8a | 1983 | fio_terminate_threads(td->groupid, td->o.exit_what); |
2e1df07d JA |
1984 | |
1985 | err: | |
1986 | if (td->error) | |
1987 | log_info("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, | |
1988 | td->verror); | |
1989 | ||
4896473e | 1990 | if (o->verify_async) |
2e1df07d JA |
1991 | verify_async_exit(td); |
1992 | ||
1993 | close_and_free_files(td); | |
2e1df07d | 1994 | cleanup_io_u(td); |
32dbca2c | 1995 | close_ioengine(td); |
c3dc516a | 1996 | cgroup_shutdown(td, cgroup_mnt); |
ca09be4b | 1997 | verify_free_state(td); |
07776127 | 1998 | td_zone_free_index(td); |
7c4d0fb7 | 1999 | |
b2a9e649 | 2000 | if (fio_option_is_set(o, cpumask)) { |
8a1db9a1 JA |
2001 | ret = fio_cpuset_exit(&o->cpumask); |
2002 | if (ret) | |
2003 | td_verror(td, ret, "fio_cpuset_exit"); | |
2e1df07d JA |
2004 | } |
2005 | ||
2006 | /* | |
2007 | * do this very late, it will log file closing as well | |
2008 | */ | |
4896473e | 2009 | if (o->write_iolog_file) |
2e1df07d | 2010 | write_iolog_close(td); |
98e7161c AK |
2011 | if (td->io_log_rfile) |
2012 | fclose(td->io_log_rfile); | |
2e1df07d JA |
2013 | |
2014 | td_set_runstate(td, TD_EXITED); | |
fda2cfac JA |
2015 | |
2016 | /* | |
2017 | * Do this last after setting our runstate to exited, so we | |
2018 | * know that the stat thread is signaled. | |
2019 | */ | |
2020 | check_update_rusage(td); | |
2021 | ||
24660963 | 2022 | sk_out_drop(); |
e43606c2 | 2023 | return (void *) (uintptr_t) td->error; |
2e1df07d JA |
2024 | } |
2025 | ||
2e1df07d JA |
2026 | /* |
2027 | * Run over the job map and reap the threads that have exited, if any. | |
2028 | */ | |
90eff1c9 SW |
2029 | static void reap_threads(unsigned int *nr_running, uint64_t *t_rate, |
2030 | uint64_t *m_rate) | |
2e1df07d JA |
2031 | { |
2032 | struct thread_data *td; | |
2033 | unsigned int cputhreads, realthreads, pending; | |
2034 | int i, status, ret; | |
2035 | ||
2036 | /* | |
2037 | * reap exited threads (TD_EXITED -> TD_REAPED) | |
2038 | */ | |
2039 | realthreads = pending = cputhreads = 0; | |
2040 | for_each_td(td, i) { | |
2041 | int flags = 0; | |
2042 | ||
74ee1904 | 2043 | if (!strcmp(td->o.ioengine, "cpuio")) |
2e1df07d JA |
2044 | cputhreads++; |
2045 | else | |
2046 | realthreads++; | |
2047 | ||
2048 | if (!td->pid) { | |
2049 | pending++; | |
2050 | continue; | |
2051 | } | |
2052 | if (td->runstate == TD_REAPED) | |
2053 | continue; | |
2054 | if (td->o.use_thread) { | |
2055 | if (td->runstate == TD_EXITED) { | |
2056 | td_set_runstate(td, TD_REAPED); | |
2057 | goto reaped; | |
2058 | } | |
2059 | continue; | |
2060 | } | |
2061 | ||
2062 | flags = WNOHANG; | |
2063 | if (td->runstate == TD_EXITED) | |
2064 | flags = 0; | |
2065 | ||
2066 | /* | |
2067 | * check if someone quit or got killed in an unusual way | |
2068 | */ | |
2069 | ret = waitpid(td->pid, &status, flags); | |
2070 | if (ret < 0) { | |
2071 | if (errno == ECHILD) { | |
2072 | log_err("fio: pid=%d disappeared %d\n", | |
2073 | (int) td->pid, td->runstate); | |
a5e371a6 | 2074 | td->sig = ECHILD; |
2e1df07d JA |
2075 | td_set_runstate(td, TD_REAPED); |
2076 | goto reaped; | |
2077 | } | |
2078 | perror("waitpid"); | |
2079 | } else if (ret == td->pid) { | |
2080 | if (WIFSIGNALED(status)) { | |
2081 | int sig = WTERMSIG(status); | |
2082 | ||
36d80bc7 | 2083 | if (sig != SIGTERM && sig != SIGUSR2) |
2e1df07d JA |
2084 | log_err("fio: pid=%d, got signal=%d\n", |
2085 | (int) td->pid, sig); | |
a5e371a6 | 2086 | td->sig = sig; |
2e1df07d JA |
2087 | td_set_runstate(td, TD_REAPED); |
2088 | goto reaped; | |
2089 | } | |
2090 | if (WIFEXITED(status)) { | |
2091 | if (WEXITSTATUS(status) && !td->error) | |
2092 | td->error = WEXITSTATUS(status); | |
2093 | ||
2094 | td_set_runstate(td, TD_REAPED); | |
2095 | goto reaped; | |
2096 | } | |
2097 | } | |
2098 | ||
cba5460c JA |
2099 | /* |
2100 | * If the job is stuck, do a forceful timeout of it and | |
2101 | * move on. | |
2102 | */ | |
2103 | if (td->terminate && | |
2c45a4ac | 2104 | td->runstate < TD_FSYNCING && |
cba5460c | 2105 | time_since_now(&td->terminate_time) >= FIO_REAP_TIMEOUT) { |
86310a1f TK |
2106 | log_err("fio: job '%s' (state=%d) hasn't exited in " |
2107 | "%lu seconds, it appears to be stuck. Doing " | |
2108 | "forceful exit of this job.\n", | |
2109 | td->o.name, td->runstate, | |
2110 | (unsigned long) time_since_now(&td->terminate_time)); | |
cba5460c JA |
2111 | td_set_runstate(td, TD_REAPED); |
2112 | goto reaped; | |
2113 | } | |
2114 | ||
2e1df07d JA |
2115 | /* |
2116 | * thread is not dead, continue | |
2117 | */ | |
2118 | pending++; | |
2119 | continue; | |
2120 | reaped: | |
2121 | (*nr_running)--; | |
342f4be4 JA |
2122 | (*m_rate) -= ddir_rw_sum(td->o.ratemin); |
2123 | (*t_rate) -= ddir_rw_sum(td->o.rate); | |
2e1df07d JA |
2124 | if (!td->pid) |
2125 | pending--; | |
2126 | ||
2127 | if (td->error) | |
2128 | exit_value++; | |
2129 | ||
2130 | done_secs += mtime_since_now(&td->epoch) / 1000; | |
4a88752a | 2131 | profile_td_exit(td); |
42e26e94 | 2132 | flow_exit_job(td); |
2e1df07d JA |
2133 | } |
2134 | ||
2135 | if (*nr_running == cputhreads && !pending && realthreads) | |
64402a8a | 2136 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
2e1df07d JA |
2137 | } |
2138 | ||
e39c0676 | 2139 | static bool __check_trigger_file(void) |
ca09be4b JA |
2140 | { |
2141 | struct stat sb; | |
2142 | ||
2143 | if (!trigger_file) | |
e39c0676 | 2144 | return false; |
ca09be4b JA |
2145 | |
2146 | if (stat(trigger_file, &sb)) | |
e39c0676 | 2147 | return false; |
ca09be4b JA |
2148 | |
2149 | if (unlink(trigger_file) < 0) | |
2150 | log_err("fio: failed to unlink %s: %s\n", trigger_file, | |
2151 | strerror(errno)); | |
2152 | ||
e39c0676 | 2153 | return true; |
ca09be4b JA |
2154 | } |
2155 | ||
e39c0676 | 2156 | static bool trigger_timedout(void) |
ca09be4b JA |
2157 | { |
2158 | if (trigger_timeout) | |
98413be7 SW |
2159 | if (time_since_genesis() >= trigger_timeout) { |
2160 | trigger_timeout = 0; | |
2161 | return true; | |
2162 | } | |
ca09be4b | 2163 | |
e39c0676 | 2164 | return false; |
ca09be4b JA |
2165 | } |
2166 | ||
2167 | void exec_trigger(const char *cmd) | |
2168 | { | |
2169 | int ret; | |
2170 | ||
98413be7 | 2171 | if (!cmd || cmd[0] == '\0') |
ca09be4b JA |
2172 | return; |
2173 | ||
2174 | ret = system(cmd); | |
2175 | if (ret == -1) | |
2176 | log_err("fio: failed executing %s trigger\n", cmd); | |
2177 | } | |
2178 | ||
2179 | void check_trigger_file(void) | |
2180 | { | |
2181 | if (__check_trigger_file() || trigger_timedout()) { | |
796fb3ce JA |
2182 | if (nr_clients) |
2183 | fio_clients_send_trigger(trigger_remote_cmd); | |
2184 | else { | |
d264264a | 2185 | verify_save_state(IO_LIST_ALL); |
64402a8a | 2186 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
ca09be4b JA |
2187 | exec_trigger(trigger_cmd); |
2188 | } | |
2189 | } | |
2190 | } | |
2191 | ||
2192 | static int fio_verify_load_state(struct thread_data *td) | |
2193 | { | |
2194 | int ret; | |
2195 | ||
2196 | if (!td->o.verify_state) | |
2197 | return 0; | |
2198 | ||
2199 | if (is_backend) { | |
2200 | void *data; | |
2201 | ||
2202 | ret = fio_server_get_verify_state(td->o.name, | |
94a6e1bb | 2203 | td->thread_number - 1, &data); |
ca09be4b | 2204 | if (!ret) |
94a6e1bb | 2205 | verify_assign_state(td, data); |
67710881 AK |
2206 | } else { |
2207 | char prefix[PATH_MAX]; | |
2208 | ||
2209 | if (aux_path) | |
2210 | sprintf(prefix, "%s%clocal", aux_path, | |
2211 | FIO_OS_PATH_SEPARATOR); | |
2212 | else | |
2213 | strcpy(prefix, "local"); | |
2214 | ret = verify_load_state(td, prefix); | |
2215 | } | |
ca09be4b JA |
2216 | |
2217 | return ret; | |
2218 | } | |
2219 | ||
06464907 JA |
2220 | static void do_usleep(unsigned int usecs) |
2221 | { | |
2222 | check_for_running_stats(); | |
ca09be4b | 2223 | check_trigger_file(); |
06464907 JA |
2224 | usleep(usecs); |
2225 | } | |
2226 | ||
e39c0676 | 2227 | static bool check_mount_writes(struct thread_data *td) |
e81ecca3 JA |
2228 | { |
2229 | struct fio_file *f; | |
2230 | unsigned int i; | |
2231 | ||
2232 | if (!td_write(td) || td->o.allow_mounted_write) | |
e39c0676 | 2233 | return false; |
e81ecca3 | 2234 | |
5e81f9c1 TK |
2235 | /* |
2236 | * If FIO_HAVE_CHARDEV_SIZE is defined, it's likely that chrdevs | |
2237 | * are mkfs'd and mounted. | |
2238 | */ | |
e81ecca3 | 2239 | for_each_file(td, f, i) { |
5e81f9c1 TK |
2240 | #ifdef FIO_HAVE_CHARDEV_SIZE |
2241 | if (f->filetype != FIO_TYPE_BLOCK && f->filetype != FIO_TYPE_CHAR) | |
2242 | #else | |
686fbd31 | 2243 | if (f->filetype != FIO_TYPE_BLOCK) |
5e81f9c1 | 2244 | #endif |
e81ecca3 JA |
2245 | continue; |
2246 | if (device_is_mounted(f->file_name)) | |
2247 | goto mounted; | |
2248 | } | |
2249 | ||
e39c0676 | 2250 | return false; |
e81ecca3 | 2251 | mounted: |
c5839011 | 2252 | log_err("fio: %s appears mounted, and 'allow_mounted_write' isn't set. Aborting.\n", f->file_name); |
e39c0676 | 2253 | return true; |
e81ecca3 JA |
2254 | } |
2255 | ||
9cc8cb91 AK |
2256 | static bool waitee_running(struct thread_data *me) |
2257 | { | |
2258 | const char *waitee = me->o.wait_for; | |
2259 | const char *self = me->o.name; | |
2260 | struct thread_data *td; | |
2261 | int i; | |
2262 | ||
2263 | if (!waitee) | |
2264 | return false; | |
2265 | ||
2266 | for_each_td(td, i) { | |
2267 | if (!strcmp(td->o.name, self) || strcmp(td->o.name, waitee)) | |
2268 | continue; | |
2269 | ||
2270 | if (td->runstate < TD_EXITED) { | |
2271 | dprint(FD_PROCESS, "%s fenced by %s(%s)\n", | |
2272 | self, td->o.name, | |
2273 | runstate_to_name(td->runstate)); | |
2274 | return true; | |
2275 | } | |
2276 | } | |
2277 | ||
2278 | dprint(FD_PROCESS, "%s: %s completed, can run\n", self, waitee); | |
2279 | return false; | |
2280 | } | |
2281 | ||
2e1df07d JA |
2282 | /* |
2283 | * Main function for kicking off and reaping jobs, as needed. | |
2284 | */ | |
24660963 | 2285 | static void run_threads(struct sk_out *sk_out) |
2e1df07d JA |
2286 | { |
2287 | struct thread_data *td; | |
90eff1c9 SW |
2288 | unsigned int i, todo, nr_running, nr_started; |
2289 | uint64_t m_rate, t_rate; | |
0de5b26f | 2290 | uint64_t spent; |
2e1df07d | 2291 | |
2e1df07d JA |
2292 | if (fio_gtod_offload && fio_start_gtod_thread()) |
2293 | return; | |
334185e9 | 2294 | |
f2a2ce0e | 2295 | fio_idle_prof_init(); |
2e1df07d JA |
2296 | |
2297 | set_sig_handlers(); | |
2298 | ||
3a5f6bde JA |
2299 | nr_thread = nr_process = 0; |
2300 | for_each_td(td, i) { | |
e81ecca3 JA |
2301 | if (check_mount_writes(td)) |
2302 | return; | |
3a5f6bde JA |
2303 | if (td->o.use_thread) |
2304 | nr_thread++; | |
2305 | else | |
2306 | nr_process++; | |
2307 | } | |
2308 | ||
01cfefcc | 2309 | if (output_format & FIO_OUTPUT_NORMAL) { |
a41fc529 JA |
2310 | struct buf_output out; |
2311 | ||
2312 | buf_output_init(&out); | |
c2fcb6bc | 2313 | __log_buf(&out, "Starting "); |
2e1df07d | 2314 | if (nr_thread) |
c2fcb6bc | 2315 | __log_buf(&out, "%d thread%s", nr_thread, |
2e1df07d JA |
2316 | nr_thread > 1 ? "s" : ""); |
2317 | if (nr_process) { | |
2318 | if (nr_thread) | |
c2fcb6bc JA |
2319 | __log_buf(&out, " and "); |
2320 | __log_buf(&out, "%d process%s", nr_process, | |
2e1df07d JA |
2321 | nr_process > 1 ? "es" : ""); |
2322 | } | |
c2fcb6bc | 2323 | __log_buf(&out, "\n"); |
a41fc529 | 2324 | log_info_buf(out.buf, out.buflen); |
d5bb0a89 | 2325 | buf_output_free(&out); |
2e1df07d JA |
2326 | } |
2327 | ||
2328 | todo = thread_number; | |
2329 | nr_running = 0; | |
2330 | nr_started = 0; | |
2331 | m_rate = t_rate = 0; | |
2332 | ||
2333 | for_each_td(td, i) { | |
2334 | print_status_init(td->thread_number - 1); | |
2335 | ||
d5e3f7cb | 2336 | if (!td->o.create_serialize) |
2e1df07d JA |
2337 | continue; |
2338 | ||
ca09be4b JA |
2339 | if (fio_verify_load_state(td)) |
2340 | goto reap; | |
2341 | ||
2e1df07d JA |
2342 | /* |
2343 | * do file setup here so it happens sequentially, | |
2344 | * we don't want X number of threads getting their | |
2345 | * client data interspersed on disk | |
2346 | */ | |
2347 | if (setup_files(td)) { | |
ca09be4b | 2348 | reap: |
2e1df07d JA |
2349 | exit_value++; |
2350 | if (td->error) | |
2351 | log_err("fio: pid=%d, err=%d/%s\n", | |
2352 | (int) td->pid, td->error, td->verror); | |
2353 | td_set_runstate(td, TD_REAPED); | |
2354 | todo--; | |
2355 | } else { | |
2356 | struct fio_file *f; | |
2357 | unsigned int j; | |
2358 | ||
2359 | /* | |
2360 | * for sharing to work, each job must always open | |
2361 | * its own files. so close them, if we opened them | |
2362 | * for creation | |
2363 | */ | |
2364 | for_each_file(td, f, j) { | |
2365 | if (fio_file_open(f)) | |
2366 | td_io_close_file(td, f); | |
2367 | } | |
2368 | } | |
2369 | } | |
2370 | ||
f2a2ce0e HL |
2371 | /* start idle threads before io threads start to run */ |
2372 | fio_idle_prof_start(); | |
2373 | ||
2e1df07d JA |
2374 | set_genesis_time(); |
2375 | ||
2376 | while (todo) { | |
2377 | struct thread_data *map[REAL_MAX_JOBS]; | |
8b6a404c | 2378 | struct timespec this_start; |
2e1df07d | 2379 | int this_jobs = 0, left; |
ce8b6139 | 2380 | struct fork_data *fd; |
2e1df07d JA |
2381 | |
2382 | /* | |
2383 | * create threads (TD_NOT_CREATED -> TD_CREATED) | |
2384 | */ | |
2385 | for_each_td(td, i) { | |
2386 | if (td->runstate != TD_NOT_CREATED) | |
2387 | continue; | |
2388 | ||
2389 | /* | |
2390 | * never got a chance to start, killed by other | |
2391 | * thread for some reason | |
2392 | */ | |
2393 | if (td->terminate) { | |
2394 | todo--; | |
2395 | continue; | |
2396 | } | |
2397 | ||
2398 | if (td->o.start_delay) { | |
0de5b26f | 2399 | spent = utime_since_genesis(); |
2e1df07d | 2400 | |
74454ce4 | 2401 | if (td->o.start_delay > spent) |
2e1df07d JA |
2402 | continue; |
2403 | } | |
2404 | ||
2405 | if (td->o.stonewall && (nr_started || nr_running)) { | |
2406 | dprint(FD_PROCESS, "%s: stonewall wait\n", | |
2407 | td->o.name); | |
2408 | break; | |
2409 | } | |
2410 | ||
9cc8cb91 AK |
2411 | if (waitee_running(td)) { |
2412 | dprint(FD_PROCESS, "%s: waiting for %s\n", | |
2413 | td->o.name, td->o.wait_for); | |
5c74fc76 | 2414 | continue; |
9cc8cb91 AK |
2415 | } |
2416 | ||
2e1df07d JA |
2417 | init_disk_util(td); |
2418 | ||
971caeb1 | 2419 | td->rusage_sem = fio_sem_init(FIO_SEM_LOCKED); |
c97f1ad6 JA |
2420 | td->update_rusage = 0; |
2421 | ||
2e1df07d JA |
2422 | /* |
2423 | * Set state to created. Thread will transition | |
2424 | * to TD_INITIALIZED when it's done setting up. | |
2425 | */ | |
2426 | td_set_runstate(td, TD_CREATED); | |
2427 | map[this_jobs++] = td; | |
2428 | nr_started++; | |
2429 | ||
ce8b6139 JA |
2430 | fd = calloc(1, sizeof(*fd)); |
2431 | fd->td = td; | |
2432 | fd->sk_out = sk_out; | |
2433 | ||
2e1df07d JA |
2434 | if (td->o.use_thread) { |
2435 | int ret; | |
2436 | ||
2437 | dprint(FD_PROCESS, "will pthread_create\n"); | |
2438 | ret = pthread_create(&td->thread, NULL, | |
24660963 | 2439 | thread_main, fd); |
2e1df07d JA |
2440 | if (ret) { |
2441 | log_err("pthread_create: %s\n", | |
2442 | strerror(ret)); | |
24660963 | 2443 | free(fd); |
2e1df07d JA |
2444 | nr_started--; |
2445 | break; | |
2446 | } | |
493dd6c1 | 2447 | fd = NULL; |
2e1df07d JA |
2448 | ret = pthread_detach(td->thread); |
2449 | if (ret) | |
2450 | log_err("pthread_detach: %s", | |
2451 | strerror(ret)); | |
2452 | } else { | |
2453 | pid_t pid; | |
6203763e | 2454 | void *eo; |
2e1df07d | 2455 | dprint(FD_PROCESS, "will fork\n"); |
6203763e | 2456 | eo = td->eo; |
807473c3 | 2457 | read_barrier(); |
2e1df07d JA |
2458 | pid = fork(); |
2459 | if (!pid) { | |
ce8b6139 | 2460 | int ret; |
2e1df07d | 2461 | |
ce8b6139 | 2462 | ret = (int)(uintptr_t)thread_main(fd); |
2e1df07d JA |
2463 | _exit(ret); |
2464 | } else if (i == fio_debug_jobno) | |
2465 | *fio_debug_jobp = pid; | |
6203763e | 2466 | free(eo); |
36aac34e DP |
2467 | free(fd); |
2468 | fd = NULL; | |
2e1df07d | 2469 | } |
971caeb1 BVA |
2470 | dprint(FD_MUTEX, "wait on startup_sem\n"); |
2471 | if (fio_sem_down_timeout(startup_sem, 10000)) { | |
2e1df07d | 2472 | log_err("fio: job startup hung? exiting.\n"); |
64402a8a | 2473 | fio_terminate_threads(TERMINATE_ALL, TERMINATE_ALL); |
f1867a7f | 2474 | fio_abort = true; |
2e1df07d | 2475 | nr_started--; |
6541f4e0 | 2476 | free(fd); |
2e1df07d JA |
2477 | break; |
2478 | } | |
971caeb1 | 2479 | dprint(FD_MUTEX, "done waiting on startup_sem\n"); |
2e1df07d JA |
2480 | } |
2481 | ||
2482 | /* | |
2483 | * Wait for the started threads to transition to | |
2484 | * TD_INITIALIZED. | |
2485 | */ | |
2486 | fio_gettime(&this_start, NULL); | |
2487 | left = this_jobs; | |
2488 | while (left && !fio_abort) { | |
2489 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) | |
2490 | break; | |
2491 | ||
06464907 | 2492 | do_usleep(100000); |
2e1df07d JA |
2493 | |
2494 | for (i = 0; i < this_jobs; i++) { | |
2495 | td = map[i]; | |
2496 | if (!td) | |
2497 | continue; | |
2498 | if (td->runstate == TD_INITIALIZED) { | |
2499 | map[i] = NULL; | |
2500 | left--; | |
2501 | } else if (td->runstate >= TD_EXITED) { | |
2502 | map[i] = NULL; | |
2503 | left--; | |
2504 | todo--; | |
2505 | nr_running++; /* work-around... */ | |
2506 | } | |
2507 | } | |
2508 | } | |
2509 | ||
2510 | if (left) { | |
4e87c37a JA |
2511 | log_err("fio: %d job%s failed to start\n", left, |
2512 | left > 1 ? "s" : ""); | |
2e1df07d JA |
2513 | for (i = 0; i < this_jobs; i++) { |
2514 | td = map[i]; | |
2515 | if (!td) | |
2516 | continue; | |
2517 | kill(td->pid, SIGTERM); | |
2518 | } | |
2519 | break; | |
2520 | } | |
2521 | ||
2522 | /* | |
2523 | * start created threads (TD_INITIALIZED -> TD_RUNNING). | |
2524 | */ | |
2525 | for_each_td(td, i) { | |
2526 | if (td->runstate != TD_INITIALIZED) | |
2527 | continue; | |
2528 | ||
2529 | if (in_ramp_time(td)) | |
2530 | td_set_runstate(td, TD_RAMP); | |
2531 | else | |
2532 | td_set_runstate(td, TD_RUNNING); | |
2533 | nr_running++; | |
2534 | nr_started--; | |
342f4be4 JA |
2535 | m_rate += ddir_rw_sum(td->o.ratemin); |
2536 | t_rate += ddir_rw_sum(td->o.rate); | |
2e1df07d | 2537 | todo--; |
971caeb1 | 2538 | fio_sem_up(td->sem); |
2e1df07d JA |
2539 | } |
2540 | ||
2541 | reap_threads(&nr_running, &t_rate, &m_rate); | |
2542 | ||
122c7725 | 2543 | if (todo) |
06464907 | 2544 | do_usleep(100000); |
2e1df07d JA |
2545 | } |
2546 | ||
2547 | while (nr_running) { | |
2548 | reap_threads(&nr_running, &t_rate, &m_rate); | |
06464907 | 2549 | do_usleep(10000); |
2e1df07d JA |
2550 | } |
2551 | ||
f2a2ce0e HL |
2552 | fio_idle_prof_stop(); |
2553 | ||
2e1df07d | 2554 | update_io_ticks(); |
2e1df07d JA |
2555 | } |
2556 | ||
27357187 JA |
2557 | static void free_disk_util(void) |
2558 | { | |
27357187 | 2559 | disk_util_prune_entries(); |
a39fb9ea | 2560 | helper_thread_destroy(); |
2e1df07d JA |
2561 | } |
2562 | ||
24660963 | 2563 | int fio_backend(struct sk_out *sk_out) |
2e1df07d JA |
2564 | { |
2565 | struct thread_data *td; | |
2566 | int i; | |
2567 | ||
2568 | if (exec_profile) { | |
2569 | if (load_profile(exec_profile)) | |
2570 | return 1; | |
2571 | free(exec_profile); | |
2572 | exec_profile = NULL; | |
2573 | } | |
2574 | if (!thread_number) | |
2575 | return 0; | |
2576 | ||
2577 | if (write_bw_log) { | |
aee2ab67 JA |
2578 | struct log_params p = { |
2579 | .log_type = IO_LOG_TYPE_BW, | |
2580 | }; | |
2581 | ||
2582 | setup_log(&agg_io_log[DDIR_READ], &p, "agg-read_bw.log"); | |
2583 | setup_log(&agg_io_log[DDIR_WRITE], &p, "agg-write_bw.log"); | |
2584 | setup_log(&agg_io_log[DDIR_TRIM], &p, "agg-trim_bw.log"); | |
2e1df07d JA |
2585 | } |
2586 | ||
c49cfc76 BD |
2587 | if (init_global_dedupe_working_set_seeds()) { |
2588 | log_err("fio: failed to initialize global dedupe working set\n"); | |
2589 | return 1; | |
2590 | } | |
2591 | ||
971caeb1 | 2592 | startup_sem = fio_sem_init(FIO_SEM_LOCKED); |
24a97130 LC |
2593 | if (!sk_out) |
2594 | is_local_backend = true; | |
971caeb1 | 2595 | if (startup_sem == NULL) |
2e1df07d | 2596 | return 1; |
2e1df07d JA |
2597 | |
2598 | set_genesis_time(); | |
cef9175e | 2599 | stat_init(); |
998e9ebb BVA |
2600 | if (helper_thread_create(startup_sem, sk_out)) |
2601 | log_err("fio: failed to create helper thread\n"); | |
2e1df07d JA |
2602 | |
2603 | cgroup_list = smalloc(sizeof(*cgroup_list)); | |
b2e6494c JA |
2604 | if (cgroup_list) |
2605 | INIT_FLIST_HEAD(cgroup_list); | |
2e1df07d | 2606 | |
24660963 | 2607 | run_threads(sk_out); |
2e1df07d | 2608 | |
a39fb9ea | 2609 | helper_thread_exit(); |
8aab824f | 2610 | |
2e1df07d | 2611 | if (!fio_abort) { |
83f7b64e | 2612 | __show_run_stats(); |
2e1df07d | 2613 | if (write_bw_log) { |
cb7e0ace JA |
2614 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
2615 | struct io_log *log = agg_io_log[i]; | |
2616 | ||
60a25727 | 2617 | flush_log(log, false); |
518dac09 | 2618 | free_log(log); |
cb7e0ace | 2619 | } |
2e1df07d JA |
2620 | } |
2621 | } | |
2622 | ||
fda2cfac | 2623 | for_each_td(td, i) { |
f0547200 NC |
2624 | struct thread_stat *ts = &td->ts; |
2625 | ||
2626 | free_clat_prio_stats(ts); | |
c27cc65f | 2627 | steadystate_free(td); |
2e1df07d | 2628 | fio_options_free(td); |
8009f543 | 2629 | fio_dump_options_free(td); |
8049adc1 | 2630 | if (td->rusage_sem) { |
971caeb1 | 2631 | fio_sem_remove(td->rusage_sem); |
8049adc1 JA |
2632 | td->rusage_sem = NULL; |
2633 | } | |
971caeb1 BVA |
2634 | fio_sem_remove(td->sem); |
2635 | td->sem = NULL; | |
fda2cfac | 2636 | } |
2e1df07d | 2637 | |
a462baef | 2638 | free_disk_util(); |
b2e6494c JA |
2639 | if (cgroup_list) { |
2640 | cgroup_kill(cgroup_list); | |
2641 | sfree(cgroup_list); | |
2642 | } | |
2e1df07d | 2643 | |
971caeb1 | 2644 | fio_sem_remove(startup_sem); |
cef9175e | 2645 | stat_exit(); |
2e1df07d JA |
2646 | return exit_value; |
2647 | } |