Merge "Revert "add server personality files test""
diff --git a/tempest/stress/driver.py b/tempest/stress/driver.py
index 25ae27f..517cfd5 100644
--- a/tempest/stress/driver.py
+++ b/tempest/stress/driver.py
@@ -96,6 +96,7 @@
     """
     Goes through the process list and terminates all child processes.
     """
+    LOG.info("Stopping all processes.")
     for process in processes:
         if process['process'].is_alive():
             try:
@@ -179,33 +180,36 @@
         signal.signal(signal.SIGCHLD, sigchld_handler)
     end_time = time.time() + duration
     had_errors = False
-    while True:
-        if max_runs is None:
-            remaining = end_time - time.time()
-            if remaining <= 0:
-                break
-        else:
-            remaining = log_check_interval
-            all_proc_term = True
-            for process in processes:
-                if process['process'].is_alive():
-                    all_proc_term = False
+    try:
+        while True:
+            if max_runs is None:
+                remaining = end_time - time.time()
+                if remaining <= 0:
                     break
-            if all_proc_term:
-                break
-
-        time.sleep(min(remaining, log_check_interval))
-        if stop_on_error:
-            for process in processes:
-                if process['statistic']['fails'] > 0:
+            else:
+                remaining = log_check_interval
+                all_proc_term = True
+                for process in processes:
+                    if process['process'].is_alive():
+                        all_proc_term = False
+                        break
+                if all_proc_term:
                     break
 
-        if not logfiles:
-            continue
-        if _has_error_in_logs(logfiles, computes, ssh_user, ssh_key,
-                              stop_on_error):
-            had_errors = True
-            break
+            time.sleep(min(remaining, log_check_interval))
+            if stop_on_error:
+                if any([True for proc in processes
+                        if proc['statistic']['fails'] > 0]):
+                    break
+
+            if not logfiles:
+                continue
+            if _has_error_in_logs(logfiles, computes, ssh_user, ssh_key,
+                                  stop_on_error):
+                had_errors = True
+                break
+    except KeyboardInterrupt:
+        LOG.warning("Interrupted, going to print statistics and exit ...")
 
     if stop_on_error:
         signal.signal(signal.SIGCHLD, signal.SIG_DFL)