anchor.diff:  
   state() ->
     handle_state().
  +
  +config(prfPrc,{max_procs,MaxProcs}) ->
  +  prfTarg:config({prfPrc,{max_procs,MaxProcs}});
  +config(Tag,Val) ->
  +  send_to_wd({cfg,Tag,Val}),
  +  state().
   
   delete_trigger(Key) ->
     send_to_wd({delete_trigger,Key}).
  
positive.code: -include("log.hrl").
  
  -record(ld,
          {jailed=[]                       %jailed pids
           ,subscribers=[]                 %where to send our reports
           ,triggers=default_triggers()    %{atom(Tag), fun/1->no|fun/1}
           ,prfState                       %prfTarg:subscribe return val
  
negative.code:    ,{[prfSys,iowait],fun(X)->true=(0.3<X) end}
    ].
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% api
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  