removed an instance of busy waiting in the profiling topology
diff --git a/src/emuvim/examples/profiling.py b/src/emuvim/examples/profiling.py
index ec743e1..d7f96a4 100644
--- a/src/emuvim/examples/profiling.py
+++ b/src/emuvim/examples/profiling.py
@@ -36,6 +36,7 @@
 from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
 from emuvim.api.sonata import SonataDummyGatekeeperEndpoint
 from mininet.node import RemoteController
+from time import sleep
 import argparse
 import sys
 import signal
@@ -89,7 +90,7 @@
         self.net.start()
         LOG.info("Started topology")
         while(not self.stop_now):
-            pass
+            sleep(1)
         self.net.stop()
         LOG.info("Stopped topology")