diff --git a/onlyone/__init__.py b/onlyone/__init__.py
index 3a1c60c..c82c123 100644
--- a/onlyone/__init__.py
+++ b/onlyone/__init__.py
@@ -52,6 +52,7 @@ def forceoneprocessinstance(cmd:str):
     return __forceoneprocessinstance(cmd, psutil.process_iter())
 
 def onlyone(cmd:str, killcmds:list):
+    log.info("[onlyone][onlyone] -> invoked start " + cmd + ", kill " + str(killcmds))
     processes = psutil.process_iter()
     __killprocesses(killcmds, processes)
     __forceoneprocessinstance(cmd, processes)