diff --git a/python/paddle/fluid/tests/unittests/test_listen_and_serv_op.py b/python/paddle/fluid/tests/unittests/test_listen_and_serv_op.py
index 86f18731fe8321fcceb24b0d8b602df8be457760..d1d709551c77908db88be6fda7ac74d4e922138e 100644
--- a/python/paddle/fluid/tests/unittests/test_listen_and_serv_op.py
+++ b/python/paddle/fluid/tests/unittests/test_listen_and_serv_op.py
@@ -92,7 +92,6 @@ class TestListenAndServOp(OpTest):
         pid = self._start_pserver(False, True)
         self._wait_ps_ready(pid)
 
-        print("send kill signal, ", pid)
         # raise SIGTERM to pserver
         os.kill(pid, signal.SIGTERM)
 
@@ -100,7 +99,6 @@ class TestListenAndServOp(OpTest):
         pid = self._start_pserver(False, False)
         self._wait_ps_ready(pid)
 
-        print("send kill signal, ", pid)
         # raise SIGTERM to pserver
         os.kill(pid, signal.SIGTERM)
 
diff --git a/tools/check_ctest_hung.py b/tools/check_ctest_hung.py
new file mode 100644
index 0000000000000000000000000000000000000000..162e3b2943890587740175332440c05e0973bd1f
--- /dev/null
+++ b/tools/check_ctest_hung.py
@@ -0,0 +1,43 @@
+# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+import re
+
+
+def escape(input):
+    o = input.replace("\n", "")
+    o = o.replace("\r", "")
+    return o
+
+
+def main():
+    logfile = sys.argv[1]
+    started = set()
+    passed = set()
+    with open(logfile, "r") as fn:
+        for l in fn.readlines():
+            if l.find("Test ") != -1 and \
+                l.find("Passed") != -1:
+                m = re.search("Test\s+#[0-9]*\:\s([a-z0-9_]+)", escape(l))
+                passed.add(m.group(1))
+            if l.find("Start ") != -1:
+                start_parts = escape(l).split(" ")
+                m = re.search("Start\s+[0-9]+\:\s([a-z0-9_]+)", escape(l))
+                started.add(m.group(1))
+    print "Diff: ", started - passed
+
+
+if __name__ == "__main__":
+    main()