anchor.diff:  
   %% API
   -export([tracer/0,tracer/1,tracer/2,p/2,stop/0,stop/1,start_trace/4]).
  +-export([get_et_handler/0]).
   -export([tp/2, tp/3, tp/4, ctp/0, ctp/1, ctp/2, ctp/3, tpl/2, tpl/3, tpl/4, 
   	 ctpl/0, ctpl/1, ctpl/2, ctpl/3, ctpg/0, ctpg/1, ctpg/2, ctpg/3]).
   -export([seq_trigger_ms/0,seq_trigger_ms/1]).
  
positive.code:     end,
      R.
  
  prepare(File,Handler) ->
      {Traci,Proci} = read_traci(File),
      Node = get_node(Traci),
      lists:foreach(fun({Pid,PI}) ->
  
negative.code: 	Pid when is_pid(Pid) ->
  	    ok
      end.
  
  init(Parent, SessionInfo) ->
      register(?MODULE,self()),
  