diff --git a/tests/import_export/ASCII/scripts/server_cpu_serial_port.py b/tests/import_export/ASCII/scripts/server_cpu_serial_port.py
new file mode 100755
index 000000000..3c3a9da23
--- /dev/null
+++ b/tests/import_export/ASCII/scripts/server_cpu_serial_port.py
@@ -0,0 +1,14 @@
+#!/usr/bin/python
+
+import socket, psutil, os, pty, serial
+
+master, slave = pty.openpty()
+s_name = os.ttyname(slave)
+print 'serial port ' + s_name
+
+ser = serial.Serial(s_name)
+
+while True:
+  cpu_percent = str(psutil.cpu_percent(interval=0.5))
+  ser.write(cpu_percent)
+  print 'written ' + cpu_percent