2 * fio - the flexible io tester
4 * Copyright (C) 2005 Jens Axboe <axboe@suse.de>
5 * Copyright (C) 2006 Jens Axboe <axboe@kernel.dk>
7 * The license below covers all files distributed with fio unless otherwise
8 * noted in the file itself.
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.
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.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
40 unsigned long page_mask;
41 unsigned long page_size;
43 (char *) (((unsigned long) (buf) + page_mask) & ~page_mask)
46 int thread_number = 0;
52 static struct fio_mutex *startup_mutex;
53 static volatile int fio_abort;
54 static int exit_value;
56 struct io_log *agg_io_log[2];
58 #define TERMINATE_ALL (-1)
59 #define JOB_START_TIMEOUT (5 * 1000)
61 static inline void td_set_runstate(struct thread_data *td, int runstate)
63 dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", td->pid, td->runstate,
65 td->runstate = runstate;
68 static void terminate_threads(int group_id)
70 struct thread_data *td;
74 if (group_id == TERMINATE_ALL || groupid == td->groupid) {
75 dprint(FD_PROCESS, "setting terminate on %d\n",td->pid);
78 td->o.start_delay = 0;
81 * if the thread is running, just let it exit
83 if (td->runstate < TD_RUNNING)
84 kill(td->pid, SIGQUIT);
86 struct ioengine_ops *ops = td->io_ops;
88 if (ops && (ops->flags & FIO_SIGQUIT))
89 kill(td->pid, SIGQUIT);
95 static void sig_handler(int sig)
100 disk_util_timer_arm();
101 print_thread_status();
104 printf("\nfio: terminating on signal %d\n", sig);
106 terminate_threads(TERMINATE_ALL);
112 * Check if we are above the minimum rate given.
114 static int check_min_rate(struct thread_data *td, struct timeval *now)
116 unsigned long long bytes = 0;
117 unsigned long iops = 0;
122 * No minimum rate set, always ok
124 if (!td->o.ratemin && !td->o.rate_iops_min)
128 * allow a 2 second settle period in the beginning
130 if (mtime_since(&td->start, now) < 2000)
134 iops += td->io_blocks[DDIR_READ];
135 bytes += td->this_io_bytes[DDIR_READ];
138 iops += td->io_blocks[DDIR_WRITE];
139 bytes += td->this_io_bytes[DDIR_WRITE];
143 * if rate blocks is set, sample is running
145 if (td->rate_bytes || td->rate_blocks) {
146 spent = mtime_since(&td->lastrate, now);
147 if (spent < td->o.ratecycle)
152 * check bandwidth specified rate
154 if (bytes < td->rate_bytes) {
155 log_err("%s: min rate %u not met\n", td->o.name, td->o.ratemin);
158 rate = (bytes - td->rate_bytes) / spent;
159 if (rate < td->o.ratemin || bytes < td->rate_bytes) {
160 log_err("%s: min rate %u not met, got %luKiB/sec\n", td->o.name, td->o.ratemin, rate);
166 * checks iops specified rate
168 if (iops < td->o.rate_iops) {
169 log_err("%s: min iops rate %u not met\n", td->o.name, td->o.rate_iops);
172 rate = (iops - td->rate_blocks) / spent;
173 if (rate < td->o.rate_iops_min || iops < td->rate_blocks) {
174 log_err("%s: min iops rate %u not met, got %lu\n", td->o.name, td->o.rate_iops_min, rate);
180 td->rate_bytes = bytes;
181 td->rate_blocks = iops;
182 memcpy(&td->lastrate, now, sizeof(*now));
186 static inline int runtime_exceeded(struct thread_data *td, struct timeval *t)
190 if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000)
197 * When job exits, we can cancel the in-flight IO if we are using async
198 * io. Attempt to do so.
200 static void cleanup_pending_aio(struct thread_data *td)
202 struct list_head *entry, *n;
207 * get immediately available events, if any
209 r = io_u_queued_complete(td, 0);
214 * now cancel remaining active events
216 if (td->io_ops->cancel) {
217 list_for_each_safe(entry, n, &td->io_u_busylist) {
218 io_u = list_entry(entry, struct io_u, list);
221 * if the io_u isn't in flight, then that generally
222 * means someone leaked an io_u. complain but fix
223 * it up, so we don't stall here.
225 if ((io_u->flags & IO_U_F_FLIGHT) == 0) {
226 log_err("fio: non-busy IO on busy list\n");
229 r = td->io_ops->cancel(td, io_u);
237 r = io_u_queued_complete(td, td->cur_depth);
241 * Helper to handle the final sync of a file. Works just like the normal
242 * io path, just does everything sync.
244 static int fio_io_sync(struct thread_data *td, struct fio_file *f)
246 struct io_u *io_u = __get_io_u(td);
252 io_u->ddir = DDIR_SYNC;
255 if (td_io_prep(td, io_u)) {
261 ret = td_io_queue(td, io_u);
263 td_verror(td, io_u->error, "td_io_queue");
266 } else if (ret == FIO_Q_QUEUED) {
267 if (io_u_queued_complete(td, 1) < 0)
269 } else if (ret == FIO_Q_COMPLETED) {
271 td_verror(td, io_u->error, "td_io_queue");
275 if (io_u_sync_complete(td, io_u) < 0)
277 } else if (ret == FIO_Q_BUSY) {
278 if (td_io_commit(td))
287 * The main verify engine. Runs over the writes we previously submitted,
288 * reads the blocks back in, and checks the crc/md5 of the data.
290 static void do_verify(struct thread_data *td)
298 * sync io first and invalidate cache, to make sure we really
301 for_each_file(td, f, i) {
302 if (!(f->flags & FIO_FILE_OPEN))
304 if (fio_io_sync(td, f))
306 if (file_invalidate_cache(td, f))
313 td_set_runstate(td, TD_VERIFYING);
316 while (!td->terminate) {
319 io_u = __get_io_u(td);
323 if (runtime_exceeded(td, &io_u->start_time)) {
329 if (get_next_verify(td, io_u)) {
334 if (td_io_prep(td, io_u)) {
339 io_u->end_io = verify_io_u;
341 ret = td_io_queue(td, io_u);
343 case FIO_Q_COMPLETED:
346 else if (io_u->resid) {
347 int bytes = io_u->xfer_buflen - io_u->resid;
348 struct fio_file *f = io_u->file;
354 td_verror(td, ENODATA, "full resid");
359 io_u->xfer_buflen = io_u->resid;
360 io_u->xfer_buf += bytes;
361 io_u->offset += bytes;
363 td->ts.short_io_u[io_u->ddir]++;
365 if (io_u->offset == f->real_file_size)
368 requeue_io_u(td, &io_u);
371 ret = io_u_sync_complete(td, io_u);
379 requeue_io_u(td, &io_u);
380 ret2 = td_io_commit(td);
386 td_verror(td, -ret, "td_io_queue");
390 if (ret < 0 || td->error)
394 * if we can queue more, do so. but check if there are
395 * completed io_u's first.
398 if (queue_full(td) || ret == FIO_Q_BUSY) {
401 if (td->cur_depth > td->o.iodepth_low)
402 min_events = td->cur_depth - td->o.iodepth_low;
406 * Reap required number of io units, if any, and do the
407 * verification on them through the callback handler
409 if (io_u_queued_complete(td, min_events) < 0)
414 min_events = td->cur_depth;
417 ret = io_u_queued_complete(td, min_events);
419 cleanup_pending_aio(td);
421 td_set_runstate(td, TD_RUNNING);
425 * Main IO worker function. It retrieves io_u's to process and queues
426 * and reaps them, checking for rate and errors along the way.
428 static void do_io(struct thread_data *td)
435 td_set_runstate(td, TD_RUNNING);
437 while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) {
438 struct timeval comp_time;
451 memcpy(&s, &io_u->start_time, sizeof(s));
453 if (runtime_exceeded(td, &s)) {
460 * Add verification end_io handler, if asked to verify
461 * a previously written file.
463 if (td->o.verify != VERIFY_NONE)
464 io_u->end_io = verify_io_u;
466 ret = td_io_queue(td, io_u);
468 case FIO_Q_COMPLETED:
471 else if (io_u->resid) {
472 int bytes = io_u->xfer_buflen - io_u->resid;
473 struct fio_file *f = io_u->file;
479 td_verror(td, ENODATA, "full resid");
484 io_u->xfer_buflen = io_u->resid;
485 io_u->xfer_buf += bytes;
486 io_u->offset += bytes;
488 td->ts.short_io_u[io_u->ddir]++;
490 if (io_u->offset == f->real_file_size)
493 requeue_io_u(td, &io_u);
496 fio_gettime(&comp_time, NULL);
497 bytes_done = io_u_sync_complete(td, io_u);
504 * if the engine doesn't have a commit hook,
505 * the io_u is really queued. if it does have such
506 * a hook, it has to call io_u_queued() itself.
508 if (td->io_ops->commit == NULL)
509 io_u_queued(td, io_u);
512 requeue_io_u(td, &io_u);
513 ret2 = td_io_commit(td);
523 if (ret < 0 || td->error)
527 * See if we need to complete some commands
529 if (ret == FIO_Q_QUEUED || ret == FIO_Q_BUSY) {
531 if (queue_full(td) || ret == FIO_Q_BUSY) {
534 if (td->cur_depth > td->o.iodepth_low)
535 min_evts = td->cur_depth - td->o.iodepth_low;
538 fio_gettime(&comp_time, NULL);
539 bytes_done = io_u_queued_complete(td, min_evts);
548 * the rate is batched for now, it should work for batches
549 * of completions except the very first one which may look
552 usec = utime_since(&s, &comp_time);
554 rate_throttle(td, usec, bytes_done);
556 if (check_min_rate(td, &comp_time)) {
557 if (exitall_on_terminate)
558 terminate_threads(td->groupid);
559 td_verror(td, ENODATA, "check_min_rate");
563 if (td->o.thinktime) {
564 unsigned long long b;
566 b = td->io_blocks[0] + td->io_blocks[1];
567 if (!(b % td->o.thinktime_blocks)) {
570 if (td->o.thinktime_spin)
571 __usec_sleep(td->o.thinktime_spin);
573 left = td->o.thinktime - td->o.thinktime_spin;
575 usec_sleep(td, left);
580 if (td->o.fill_device && td->error == ENOSPC) {
589 ret = io_u_queued_complete(td, i);
591 if (should_fsync(td) && td->o.end_fsync) {
592 td_set_runstate(td, TD_FSYNCING);
594 for_each_file(td, f, i) {
595 if (!(f->flags & FIO_FILE_OPEN))
601 cleanup_pending_aio(td);
604 * stop job if we failed doing any IO
606 if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0)
610 static void cleanup_io_u(struct thread_data *td)
612 struct list_head *entry, *n;
615 list_for_each_safe(entry, n, &td->io_u_freelist) {
616 io_u = list_entry(entry, struct io_u, list);
618 list_del(&io_u->list);
626 * "randomly" fill the buffer contents
628 static void fill_io_buf(struct thread_data *td, struct io_u *io_u, int max_bs)
630 long *ptr = io_u->buf;
632 if (!td->o.zero_buffers) {
633 while ((void *) ptr - io_u->buf < max_bs) {
634 *ptr = rand() * GOLDEN_RATIO_PRIME;
638 memset(ptr, 0, max_bs);
641 static int init_io_u(struct thread_data *td)
648 max_units = td->o.iodepth;
649 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
650 td->orig_buffer_size = (unsigned long long) max_bs * (unsigned long long) max_units;
652 if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE)
653 td->orig_buffer_size = (td->orig_buffer_size + td->o.hugepage_size - 1) & ~(td->o.hugepage_size - 1);
655 if (td->orig_buffer_size != (size_t) td->orig_buffer_size) {
656 log_err("fio: IO memory too large. Reduce max_bs or iodepth\n");
660 if (allocate_io_mem(td))
664 p = ALIGN(td->orig_buffer);
668 for (i = 0; i < max_units; i++) {
671 io_u = malloc(sizeof(*io_u));
672 memset(io_u, 0, sizeof(*io_u));
673 INIT_LIST_HEAD(&io_u->list);
675 if (!(td->io_ops->flags & FIO_NOIO)) {
676 io_u->buf = p + max_bs * i;
679 fill_io_buf(td, io_u, max_bs);
683 io_u->flags = IO_U_F_FREE;
684 list_add(&io_u->list, &td->io_u_freelist);
692 static int switch_ioscheduler(struct thread_data *td)
694 char tmp[256], tmp2[128];
698 if (td->io_ops->flags & FIO_DISKLESSIO)
701 sprintf(tmp, "%s/queue/scheduler", td->sysfs_root);
703 f = fopen(tmp, "r+");
705 if (errno == ENOENT) {
706 log_err("fio: os or kernel doesn't support IO scheduler switching\n");
709 td_verror(td, errno, "fopen iosched");
716 ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f);
717 if (ferror(f) || ret != 1) {
718 td_verror(td, errno, "fwrite");
726 * Read back and check that the selected scheduler is now the default.
728 ret = fread(tmp, 1, sizeof(tmp), f);
729 if (ferror(f) || ret < 0) {
730 td_verror(td, errno, "fread");
735 sprintf(tmp2, "[%s]", td->o.ioscheduler);
736 if (!strstr(tmp, tmp2)) {
737 log_err("fio: io scheduler %s not found\n", td->o.ioscheduler);
738 td_verror(td, EINVAL, "iosched_switch");
747 static int keep_running(struct thread_data *td)
749 unsigned long long io_done;
753 if (td->o.time_based)
760 io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] + td->io_skip_bytes;
761 if (io_done < td->o.size)
767 static int clear_io_state(struct thread_data *td)
773 td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0;
774 td->this_io_bytes[0] = td->this_io_bytes[1] = 0;
778 td->rw_end_set[0] = td->rw_end_set[1] = 0;
780 td->last_was_sync = 0;
783 * reset file done count if we are to start over
785 if (td->o.time_based || td->o.loops)
786 td->nr_done_files = 0;
791 for_each_file(td, f, i) {
792 f->flags &= ~FIO_FILE_DONE;
793 ret = td_io_open_file(td, f);
802 * Entry point for the thread based jobs. The process based jobs end up
803 * here as well, after a little setup.
805 static void *thread_main(void *data)
807 unsigned long long runtime[2], elapsed;
808 struct thread_data *td = data;
811 if (!td->o.use_thread)
816 dprint(FD_PROCESS, "jobs pid=%d started\n", td->pid);
818 INIT_LIST_HEAD(&td->io_u_freelist);
819 INIT_LIST_HEAD(&td->io_u_busylist);
820 INIT_LIST_HEAD(&td->io_u_requeues);
821 INIT_LIST_HEAD(&td->io_log_list);
822 INIT_LIST_HEAD(&td->io_hist_list);
823 td->io_hist_tree = RB_ROOT;
825 td_set_runstate(td, TD_INITIALIZED);
826 fio_mutex_up(startup_mutex);
827 fio_mutex_down(td->mutex);
830 * the ->mutex mutex is now no longer used, close it to avoid
831 * eating a file descriptor
833 fio_mutex_remove(td->mutex);
836 * May alter parameters that init_io_u() will use, so we need to
845 if (td->o.cpumask_set && fio_setaffinity(td) == -1) {
846 td_verror(td, errno, "cpu_set_affinity");
850 if (td->ioprio_set) {
851 if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) {
852 td_verror(td, errno, "ioprio_set");
857 if (nice(td->o.nice) == -1) {
858 td_verror(td, errno, "nice");
862 if (td->o.ioscheduler && switch_ioscheduler(td))
865 if (!td->o.create_serialize && setup_files(td))
874 if (init_random_map(td))
877 if (td->o.exec_prerun) {
878 if (system(td->o.exec_prerun) < 0)
882 fio_gettime(&td->epoch, NULL);
883 memcpy(&td->timeout_end, &td->epoch, sizeof(td->epoch));
884 getrusage(RUSAGE_SELF, &td->ts.ru_start);
886 runtime[0] = runtime[1] = 0;
888 while (keep_running(td)) {
889 fio_gettime(&td->start, NULL);
890 memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start));
893 memcpy(&td->lastrate, &td->ts.stat_sample_time, sizeof(td->lastrate));
895 if (clear_state && clear_io_state(td))
898 prune_io_piece_log(td);
904 if (td_read(td) && td->io_bytes[DDIR_READ]) {
905 if (td->rw_end_set[DDIR_READ])
906 elapsed = utime_since(&td->start, &td->rw_end[DDIR_READ]);
908 elapsed = utime_since_now(&td->start);
910 runtime[DDIR_READ] += elapsed;
912 if (td_write(td) && td->io_bytes[DDIR_WRITE]) {
913 if (td->rw_end_set[DDIR_WRITE])
914 elapsed = utime_since(&td->start, &td->rw_end[DDIR_WRITE]);
916 elapsed = utime_since_now(&td->start);
918 runtime[DDIR_WRITE] += elapsed;
921 if (td->error || td->terminate)
924 if (!td->o.do_verify ||
925 td->o.verify == VERIFY_NONE ||
926 (td->io_ops->flags & FIO_UNIDIR))
929 if (clear_io_state(td))
932 fio_gettime(&td->start, NULL);
936 runtime[DDIR_READ] += utime_since_now(&td->start);
938 if (td->error || td->terminate)
942 update_rusage_stat(td);
943 td->ts.runtime[0] = (runtime[0] + 999) / 1000;
944 td->ts.runtime[1] = (runtime[1] + 999) / 1000;
945 td->ts.total_run_time = mtime_since_now(&td->epoch);
946 td->ts.io_bytes[0] = td->io_bytes[0];
947 td->ts.io_bytes[1] = td->io_bytes[1];
950 finish_log(td, td->ts.bw_log, "bw");
952 finish_log(td, td->ts.slat_log, "slat");
954 finish_log(td, td->ts.clat_log, "clat");
955 if (td->o.exec_postrun) {
956 if (system(td->o.exec_postrun) < 0)
957 log_err("fio: postrun %s failed\n", td->o.exec_postrun);
960 if (exitall_on_terminate)
961 terminate_threads(td->groupid);
965 printf("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror);
966 close_and_free_files(td);
971 * do this very late, it will log file closing as well
973 if (td->o.write_iolog_file)
974 write_iolog_close(td);
976 options_mem_free(td);
977 td_set_runstate(td, TD_EXITED);
978 return (void *) (unsigned long) td->error;
982 * We cannot pass the td data into a forked process, so attach the td and
983 * pass it to the thread worker.
985 static int fork_main(int shmid, int offset)
987 struct thread_data *td;
990 data = shmat(shmid, NULL, 0);
991 if (data == (void *) -1) {
998 td = data + offset * sizeof(struct thread_data);
999 ret = thread_main(td);
1001 return (int) (unsigned long) ret;
1005 * Run over the job map and reap the threads that have exited, if any.
1007 static void reap_threads(int *nr_running, int *t_rate, int *m_rate)
1009 struct thread_data *td;
1010 int i, cputhreads, realthreads, pending, status, ret;
1013 * reap exited threads (TD_EXITED -> TD_REAPED)
1015 realthreads = pending = cputhreads = 0;
1016 for_each_td(td, i) {
1020 * ->io_ops is NULL for a thread that has closed its
1023 if (td->io_ops && !strcmp(td->io_ops->name, "cpuio"))
1032 if (td->runstate == TD_REAPED)
1034 if (td->o.use_thread) {
1035 if (td->runstate == TD_EXITED) {
1036 td_set_runstate(td, TD_REAPED);
1043 if (td->runstate == TD_EXITED)
1047 * check if someone quit or got killed in an unusual way
1049 ret = waitpid(td->pid, &status, flags);
1051 if (errno == ECHILD) {
1052 log_err("fio: pid=%d disappeared %d\n", td->pid, td->runstate);
1053 td_set_runstate(td, TD_REAPED);
1057 } else if (ret == td->pid) {
1058 if (WIFSIGNALED(status)) {
1059 int sig = WTERMSIG(status);
1062 log_err("fio: pid=%d, got signal=%d\n", td->pid, sig);
1063 td_set_runstate(td, TD_REAPED);
1066 if (WIFEXITED(status)) {
1067 if (WEXITSTATUS(status) && !td->error)
1068 td->error = WEXITSTATUS(status);
1070 td_set_runstate(td, TD_REAPED);
1076 * thread is not dead, continue
1081 if (td->o.use_thread) {
1084 dprint(FD_PROCESS, "joining tread %d\n", td->pid);
1085 if (pthread_join(td->thread, (void *) &ret)) {
1086 dprint(FD_PROCESS, "join failed %ld\n", ret);
1087 perror("pthread_join");
1092 (*m_rate) -= td->o.ratemin;
1093 (*t_rate) -= td->o.rate;
1100 if (*nr_running == cputhreads && !pending && realthreads)
1101 terminate_threads(TERMINATE_ALL);
1105 * Main function for kicking off and reaping jobs, as needed.
1107 static void run_threads(void)
1109 struct thread_data *td;
1110 unsigned long spent;
1111 int i, todo, nr_running, m_rate, t_rate, nr_started;
1113 if (fio_pin_memory())
1116 if (!terse_output) {
1117 printf("Starting ");
1119 printf("%d thread%s", nr_thread, nr_thread > 1 ? "s" : "");
1123 printf("%d process%s", nr_process, nr_process > 1 ? "es" : "");
1129 signal(SIGINT, sig_handler);
1130 signal(SIGALRM, sig_handler);
1132 todo = thread_number;
1135 m_rate = t_rate = 0;
1137 for_each_td(td, i) {
1138 print_status_init(td->thread_number - 1);
1140 if (!td->o.create_serialize) {
1146 * do file setup here so it happens sequentially,
1147 * we don't want X number of threads getting their
1148 * client data interspersed on disk
1150 if (setup_files(td)) {
1153 log_err("fio: pid=%d, err=%d/%s\n", td->pid, td->error, td->verror);
1154 td_set_runstate(td, TD_REAPED);
1164 struct thread_data *map[MAX_JOBS];
1165 struct timeval this_start;
1166 int this_jobs = 0, left;
1169 * create threads (TD_NOT_CREATED -> TD_CREATED)
1171 for_each_td(td, i) {
1172 if (td->runstate != TD_NOT_CREATED)
1176 * never got a chance to start, killed by other
1177 * thread for some reason
1179 if (td->terminate) {
1184 if (td->o.start_delay) {
1185 spent = mtime_since_genesis();
1187 if (td->o.start_delay * 1000 > spent)
1191 if (td->o.stonewall && (nr_started || nr_running))
1195 * Set state to created. Thread will transition
1196 * to TD_INITIALIZED when it's done setting up.
1198 td_set_runstate(td, TD_CREATED);
1199 map[this_jobs++] = td;
1202 if (td->o.use_thread) {
1203 dprint(FD_PROCESS, "will pthread_create\n");
1204 if (pthread_create(&td->thread, NULL, thread_main, td)) {
1205 perror("thread_create");
1210 dprint(FD_PROCESS, "will fork\n");
1212 int ret = fork_main(shm_id, i);
1217 fio_mutex_down(startup_mutex);
1221 * Wait for the started threads to transition to
1224 fio_gettime(&this_start, NULL);
1226 while (left && !fio_abort) {
1227 if (mtime_since_now(&this_start) > JOB_START_TIMEOUT)
1232 for (i = 0; i < this_jobs; i++) {
1236 if (td->runstate == TD_INITIALIZED) {
1239 } else if (td->runstate >= TD_EXITED) {
1243 nr_running++; /* work-around... */
1249 log_err("fio: %d jobs failed to start\n", left);
1250 for (i = 0; i < this_jobs; i++) {
1254 kill(td->pid, SIGTERM);
1260 * start created threads (TD_INITIALIZED -> TD_RUNNING).
1262 for_each_td(td, i) {
1263 if (td->runstate != TD_INITIALIZED)
1266 td_set_runstate(td, TD_RUNNING);
1269 m_rate += td->o.ratemin;
1270 t_rate += td->o.rate;
1272 fio_mutex_up(td->mutex);
1275 reap_threads(&nr_running, &t_rate, &m_rate);
1281 while (nr_running) {
1282 reap_threads(&nr_running, &t_rate, &m_rate);
1290 int main(int argc, char *argv[])
1295 * We need locale for number printing, if it isn't set then just
1296 * go with the US format.
1298 if (!getenv("LC_NUMERIC"))
1299 setlocale(LC_NUMERIC, "en_US");
1301 if (parse_options(argc, argv))
1307 ps = sysconf(_SC_PAGESIZE);
1309 log_err("Failed to get page size\n");
1317 setup_log(&agg_io_log[DDIR_READ]);
1318 setup_log(&agg_io_log[DDIR_WRITE]);
1321 startup_mutex = fio_mutex_init(0);
1325 disk_util_timer_arm();
1332 __finish_log(agg_io_log[DDIR_READ],"agg-read_bw.log");
1333 __finish_log(agg_io_log[DDIR_WRITE],"agg-write_bw.log");
1337 fio_mutex_remove(startup_mutex);