Increase the call so that samples are captured

Signed-off-by: Min Lim <min.yeol.lim@intel.com>

Author: mlim19

tests/containers/python/lister.py

@@ -49,4 +49,6 @@ def parser():
     Thread(target=parser).start()
     lister = Lister()
     while True:
-        lister.lister()
+        # Call multiple times per iteration to increase chance of being sampled by profilers
+        for _ in range(10):
+            lister.lister()