-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.

declare
    l_sid    number;
    l_serial number;
begin

    select sid, serial# 
    into l_sid, l_serial
    from v$session 
    where sid = &1;

    sys.dbms_monitor.session_trace_enable(l_sid,l_serial,true,true);  

end;
/
