unsigned long done_secs = 0;
static struct fio_mutex *startup_mutex;
+static struct fio_mutex *writeout_mutex;
static volatile int fio_abort;
static int exit_value;
static struct itimerval itimer;
static inline int should_check_rate(struct thread_data *td)
{
+ struct thread_options *o = &td->o;
+
/*
- * No minimum rate set, always ok
+ * If some rate setting was given, we need to check it
*/
- if (!td->o.ratemin && !td->o.rate_iops_min)
- return 0;
+ if (o->rate || o->ratemin || o->rate_iops || o->rate_iops_min)
+ return 1;
- return 1;
+ return 0;
}
/*
{
struct io_u *io_u;
unsigned int max_bs;
- int i, max_units;
+ int cl_align, i, max_units;
char *p;
max_units = td->o.iodepth;
else
p = td->orig_buffer;
+ cl_align = os_cache_line_size();
+
for (i = 0; i < max_units; i++) {
+ void *ptr;
+
if (td->terminate)
return 1;
- io_u = malloc(sizeof(*io_u));
+
+ if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) {
+ log_err("fio: posix_memalign=%s\n", strerror(errno));
+ break;
+ }
+
+ io_u = ptr;
memset(io_u, 0, sizeof(*io_u));
INIT_FLIST_HEAD(&io_u->list);
*/
if (td->o.time_based || td->o.loops)
td->nr_done_files = 0;
+
+ /*
+ * Set the same seed to get repeatable runs
+ */
+ td_fill_rand_seeds(td);
}
void reset_all_stats(struct thread_data *td)
memcpy(&td->start, &tv, sizeof(tv));
}
-static int clear_io_state(struct thread_data *td)
+static void clear_io_state(struct thread_data *td)
{
struct fio_file *f;
unsigned int i;
- int ret;
reset_io_counters(td);
close_files(td);
-
- ret = 0;
- for_each_file(td, f, i) {
+ for_each_file(td, f, i)
f->flags &= ~FIO_FILE_DONE;
- ret = td_io_open_file(td, f);
- if (ret)
- break;
- }
-
- return ret;
}
/*
td->io_hist_tree = RB_ROOT;
td_set_runstate(td, TD_INITIALIZED);
+ dprint(FD_MUTEX, "up startup_mutex\n");
fio_mutex_up(startup_mutex);
+ dprint(FD_MUTEX, "wait on td->mutex\n");
fio_mutex_down(td->mutex);
+ dprint(FD_MUTEX, "done waiting on td->mutex\n");
/*
* the ->mutex mutex is now no longer used, close it to avoid
if (td_io_init(td))
goto err;
- if (open_files(td))
- goto err;
-
if (init_random_map(td))
goto err;
memcpy(&td->lastrate, &td->ts.stat_sample_time,
sizeof(td->lastrate));
- if (clear_state && clear_io_state(td))
- break;
+ if (clear_state)
+ clear_io_state(td);
prune_io_piece_log(td);
(td->io_ops->flags & FIO_UNIDIR))
continue;
- if (clear_io_state(td))
- break;
+ clear_io_state(td);
fio_gettime(&td->start, NULL);
td->ts.io_bytes[0] = td->io_bytes[0];
td->ts.io_bytes[1] = td->io_bytes[1];
+ fio_mutex_down(writeout_mutex);
if (td->ts.bw_log) {
if (td->o.bw_log_file) {
finish_log_named(td, td->ts.bw_log,
if (td->ts.slat_log) {
if (td->o.lat_log_file) {
finish_log_named(td, td->ts.slat_log,
- td->o.lat_log_file, "clat");
+ td->o.lat_log_file, "slat");
} else
finish_log(td, td->ts.slat_log, "slat");
}
} else
finish_log(td, td->ts.clat_log, "clat");
}
+ fio_mutex_up(writeout_mutex);
if (td->o.exec_postrun) {
if (system(td->o.exec_postrun) < 0)
log_err("fio: postrun %s failed\n", td->o.exec_postrun);
static int fio_start_gtod_thread(void)
{
- if (pthread_create(>od_thread, NULL, gtod_thread_main, NULL)) {
- perror("Can't create gtod thread");
+ int ret;
+
+ ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL);
+ if (ret) {
+ log_err("Can't create gtod thread: %s\n", strerror(ret));
return 1;
}
- if (pthread_detach(gtod_thread) < 0) {
- perror("Can't detatch gtod thread");
+
+ ret = pthread_detach(gtod_thread);
+ if (ret) {
+ log_err("Can't detatch gtod thread: %s\n", strerror(ret));
return 1;
}
+ dprint(FD_MUTEX, "wait on startup_mutex\n");
fio_mutex_down(startup_mutex);
+ dprint(FD_MUTEX, "done waiting on startup_mutex\n");
return 0;
}
nr_started++;
if (td->o.use_thread) {
+ int ret;
+
dprint(FD_PROCESS, "will pthread_create\n");
- if (pthread_create(&td->thread, NULL,
- thread_main, td)) {
- perror("pthread_create");
+ ret = pthread_create(&td->thread, NULL,
+ thread_main, td);
+ if (ret) {
+ log_err("pthread_create: %s\n",
+ strerror(ret));
nr_started--;
break;
}
- if (pthread_detach(td->thread) < 0)
- perror("pthread_detach");
+ ret = pthread_detach(td->thread);
+ if (ret)
+ log_err("pthread_detach: %s",
+ strerror(ret));
} else {
pid_t pid;
dprint(FD_PROCESS, "will fork\n");
} else if (i == fio_debug_jobno)
*fio_debug_jobp = pid;
}
+ dprint(FD_MUTEX, "wait on startup_mutex\n");
fio_mutex_down(startup_mutex);
+ dprint(FD_MUTEX, "done waiting on startup_mutex\n");
}
/*
}
startup_mutex = fio_mutex_init(0);
+ writeout_mutex = fio_mutex_init(1);
set_genesis_time();
}
fio_mutex_remove(startup_mutex);
+ fio_mutex_remove(writeout_mutex);
return exit_value;
}