with self.dce_application_lock:
pid = self.simulation.invoke(self.dce_application_helper_uuid,
"GetPid", self.uuid)
+
node_id = self.simulation.invoke(self.node.uuid, "GetId")
self._trace_filename["stdout"] = "files-%s/var/log/%s/stdout" % (node_id, pid)
self._trace_filename["stderr"] = "files-%s/var/log/%s/stderr" % (node_id, pid)