Set the process title in workers and actors (#3219)

python/ray/scripts/scripts.py

@@ -388,6 +388,12 @@ def stop():
             "grep -v grep | awk '{ print $2 }') 2> /dev/null"
         ],
         shell=True)
+    subprocess.call(
+        [
+            "kill -9 $(ps aux | grep ' ray_' | "
+            "grep -v grep | awk '{ print $2 }') 2> /dev/null"
+        ],
+        shell=True)
 
     # Find the PID of the Ray log monitor process and kill it.
     subprocess.call(
@@ -591,7 +597,7 @@ export IFS="
 # Call sudo to prompt for password before anything has been printed.
 sudo true
 workers=$(
-    ps aux | grep default_worker.py | grep -v grep | grep -v raylet/raylet
+    ps aux | grep ' ray_' | grep -v grep
 )
 for worker in $workers; do
     echo "Stack dump for $worker";