SQL>  oradebug doc event filter px

px: filter to check identity of the process for fault injection

Usage
-------
{px:  slave_set       <ub4>,
      slave_num       <ub4>,
      local_slave_num <ub4>,
      instance_id     <ub4>,
      dfo_number      <ub4>,
      oct             <ub4>,
      pxid            <ub4> }