Feature cache client

cache/test/cache_evbase_benchmark.cpp

@@ -394,6 +394,7 @@ int main(int argc, char **argv)
 	pthread_attr_t attr;
 	void *runtime_log;
 	struct filecontentcmd filecmd;
+	time_t now, remain;
 
 	struct event ev_timer;
 	struct timeval tv;
@@ -431,7 +432,9 @@ int main(int argc, char **argv)
 	}
 
 	ev_base = event_base_new();
-	tv.tv_sec = 10;
+	now = time(NULL);
+	remain = 10 - (now % 10);
+	tv.tv_sec = remain;
 	tv.tv_usec = 0;
 	evtimer_assign(&ev_timer, ev_base, timer_cb, &ev_timer);
 	evtimer_add(&ev_timer, &tv);