#include "err.h"
#include "lib/tp.h"
-static pthread_t disk_util_thread;
-static struct fio_mutex *disk_thread_mutex;
+static pthread_t helper_thread;
+static pthread_mutex_t helper_lock;
+pthread_cond_t helper_cond;
+int helper_do_stat = 0;
+
static struct fio_mutex *startup_mutex;
static struct flist_head *cgroup_list;
static char *cgroup_mnt;
int shm_id = 0;
int temp_stall_ts;
unsigned long done_secs = 0;
-volatile int disk_util_exit = 0;
+volatile int helper_exit = 0;
#define PAGE_ALIGN(buf) \
(char *) (((uintptr_t) (buf) + page_mask) & ~page_mask)
fio_server_got_signal(sig);
else {
log_info("\nfio: terminating on signal %d\n", sig);
- fflush(stdout);
+ log_info_flush();
exit_value = 128;
}
((io_u->flags & IO_U_F_VER_LIST) || !td_rw(td))) {
if (!td->o.verify_pattern_bytes) {
- io_u->rand_seed = __rand(&td->__verify_state);
+ io_u->rand_seed = __rand(&td->verify_state);
if (sizeof(int) != sizeof(long *))
- io_u->rand_seed *= __rand(&td->__verify_state);
+ io_u->rand_seed *= __rand(&td->verify_state);
}
if (td->o.verify_async)
if (o->write_iolog_file)
write_iolog_close(td);
- fio_mutex_remove(td->rusage_sem);
- td->rusage_sem = NULL;
-
fio_mutex_remove(td->mutex);
td->mutex = NULL;
td_set_runstate(td, TD_EXITED);
+
+ /*
+ * Do this last after setting our runstate to exited, so we
+ * know that the stat thread is signaled.
+ */
+ check_update_rusage(td);
+
return (void *) (uintptr_t) td->error;
}
nr_process > 1 ? "es" : "");
}
log_info("\n");
- fflush(stdout);
+ log_info_flush();
}
todo = thread_number;
update_io_ticks();
}
-void wait_for_disk_thread_exit(void)
+static void wait_for_helper_thread_exit(void)
{
- fio_mutex_down(disk_thread_mutex);
+ void *ret;
+
+ helper_exit = 1;
+ pthread_cond_signal(&helper_cond);
+ pthread_join(helper_thread, &ret);
}
static void free_disk_util(void)
{
- disk_util_start_exit();
- wait_for_disk_thread_exit();
disk_util_prune_entries();
+
+ pthread_cond_destroy(&helper_cond);
}
-static void *disk_thread_main(void *data)
+static void *helper_thread_main(void *data)
{
int ret = 0;
fio_mutex_up(startup_mutex);
- while (threads && !ret) {
- usleep(DISK_UTIL_MSEC * 1000);
- if (!threads)
- break;
+ while (!ret) {
+ uint64_t sec = DISK_UTIL_MSEC / 1000;
+ uint64_t nsec = (DISK_UTIL_MSEC % 1000) * 1000000;
+ struct timespec ts;
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ ts.tv_sec = tv.tv_sec + sec;
+ ts.tv_nsec = (tv.tv_usec * 1000) + nsec;
+ if (ts.tv_nsec > 1000000000ULL) {
+ ts.tv_nsec -= 1000000000ULL;
+ ts.tv_sec++;
+ }
+
+ pthread_cond_timedwait(&helper_cond, &helper_lock, &ts);
+
ret = update_io_ticks();
+ if (helper_do_stat) {
+ helper_do_stat = 0;
+ __show_running_run_stats();
+ }
+
if (!is_backend)
print_thread_status();
}
- fio_mutex_up(disk_thread_mutex);
return NULL;
}
-static int create_disk_util_thread(void)
+static int create_helper_thread(void)
{
int ret;
setup_disk_util();
- disk_thread_mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
+ pthread_cond_init(&helper_cond, NULL);
+ pthread_mutex_init(&helper_lock, NULL);
- ret = pthread_create(&disk_util_thread, NULL, disk_thread_main, NULL);
+ ret = pthread_create(&helper_thread, NULL, helper_thread_main, NULL);
if (ret) {
- fio_mutex_remove(disk_thread_mutex);
- log_err("Can't create disk util thread: %s\n", strerror(ret));
- return 1;
- }
-
- ret = pthread_detach(disk_util_thread);
- if (ret) {
- fio_mutex_remove(disk_thread_mutex);
- log_err("Can't detatch disk util thread: %s\n", strerror(ret));
+ log_err("Can't create helper thread: %s\n", strerror(ret));
return 1;
}
set_genesis_time();
stat_init();
- create_disk_util_thread();
+ create_helper_thread();
cgroup_list = smalloc(sizeof(*cgroup_list));
INIT_FLIST_HEAD(cgroup_list);
run_threads();
+ wait_for_helper_thread_exit();
+
if (!fio_abort) {
__show_run_stats();
if (write_bw_log) {
}
}
- for_each_td(td, i)
+ for_each_td(td, i) {
fio_options_free(td);
+ fio_mutex_remove(td->rusage_sem);
+ td->rusage_sem = NULL;
+ }
free_disk_util();
cgroup_kill(cgroup_list);
sfree(cgroup_mnt);
fio_mutex_remove(startup_mutex);
- fio_mutex_remove(disk_thread_mutex);
stat_exit();
return exit_value;
}