Complete basic callback duration processing

analysis/to_pandas.py

@@ -0,0 +1,17 @@
+# Convert processor object to pandas dataframe
+
+import pandas as pd
+from .ros_processor import RosProcessor
+
+def callback_durations_to_df(ros_processor):
+    callback_addresses = []
+    durations = []
+    for addr in ros_processor.callbacks_instances:
+        for d in ros_processor.callbacks_instances[addr]:
+            callback_addresses.append(addr)
+            durations.append(d)
+
+    return pd.DataFrame(data={
+        'callback_address': callback_addresses,
+        'duration': durations,
+    })