Complete basic callback duration processing

process.py

@@ -3,7 +3,9 @@
 
 import sys
 import pickle
-from tracetools_analysis.analysis.ros import *
+import pandas as pd
+from tracetools_analysis.analysis.ros_processor import *
+from tracetools_analysis.analysis.to_pandas import *
 
 def main(argv=sys.argv):
     if len(argv) != 2:
@@ -14,7 +16,11 @@ def main(argv=sys.argv):
     with open(pickle_filename, 'rb') as f:
         events = _get_events_from_pickled_file(f)
         print(f'imported {len(events)} events')
-        ros_process(events)
+        processor = ros_process(events)
+
+    df = callback_durations_to_df(processor)
+    print(df.to_string())
+
 
 def _get_events_from_pickled_file(file):
     p = pickle.Unpickler(file)