Make printing list of enabled events more readable

tracetools_trace/tracetools_trace/tools/__init__.py

@@ -15,6 +15,7 @@
 """Module for tracing."""
 
 import sys
+from typing import List
 
 
 def tracing_supported() -> bool:
@@ -24,3 +25,11 @@ def tracing_supported() -> bool:
     It does not mean a tracer is installed.
     """
     return sys.platform == 'linux'
+
+
+def print_events_list(
+    events: List[str],
+    prefix: str = '\t',
+) -> None:
+    for event in events:
+        print(f'{prefix}{event}')

tracetools_trace/tracetools_trace/trace.py

@@ -18,6 +18,7 @@
 from tracetools_trace.tools import args
 from tracetools_trace.tools import lttng
 from tracetools_trace.tools import path
+from tracetools_trace.tools import print_events_list
 
 
 def main():
@@ -33,13 +34,13 @@ def main():
     if ust_enabled:
         print(f'UST tracing enabled ({len(ros_events)} events)')
         if params.list:
-            print(f'\tevents: {ros_events}')
+            print_events_list(ros_events)
     else:
         print('UST tracing disabled')
     if kernel_enabled:
         print(f'kernel tracing enabled ({len(kernel_events)} events)')
         if params.list:
-            print(f'\tevents: {kernel_events}')
+            print_events_list(kernel_events)
     else:
         print('kernel tracing disabled')