anchor.diff:  
   handle_call({log, Term, _Node}, _From, #state{type=_Type, size=Size0}=State) ->
       Size = termsize(Term),
  -    %% lager:info("Instrumentation: type ~p received ~p bytes from node ~p", [Type, Size, Node]),
       {reply, ok, State#state{size=Size0 + Size}};
   
   handle_call({start, Filename, Clients}, _From, #state{type=Type}=State) ->
       {ok, TRef} = start_timer(),
  -    lager:info("Instrumentation timer for ~p enabled!", [Type]),
  +    _ = lager:info("Instrumentation timer for ~p enabled!", [Type]),
       {reply, ok, State#state{tref=TRef, clock=0, clients=Clients,
                               filename=Filename, status=running, size=0,
                               lines = []}};
  
positive.code:                                 filename=Filename, tref=TRef}=State) ->
      {ok, cancel} = timer:cancel(TRef),
      record(Clock, Size, Clients, Filename, Lines),
      lager:info("Instrumentation timer for ~p disabled!", [Type]),
      {reply, ok, State#state{tref=undefined}};
  
  %% @private
  handle_call(Msg, _From, State) ->
      lager:warning("Unhandled messages: ~p", [Msg]),
      {reply, ok, State}.
  
  %% @private
  -spec handle_cast(term(), #state{}) -> {noreply, #state{}}.
  handle_cast(Msg, State) ->
      lager:warning("Unhandled messages: ~p", [Msg]),
      {noreply, State}.
  
  %% @private
  
negative.code:     {noreply, State#state{tref=TRef, clock=Clock, lines=Lines}};
  
  handle_info(Msg, State) ->
      _ = lager:warning("Unhandled messages: ~p", [Msg]),
      {noreply, State}.
  
  %% @private
  