anchor.diff:                          {shutdown_count, esockd:get_shutdown_count(Pid)}],
                   ?PRINT("listener on ~s:~w~n", [Protocol, Port]),
                   foreach(fun({Key, Val}) ->
  -                            ?PRINT("  ~-16s:~w~n", [Key, Val])
  +                            ?PRINT("  ~-16s: ~w~n", [Key, Val])
                           end, Info)
               end, esockd:listeners());
   
  
positive.code:             {"vm memory",  "query memory of erlang vm"},
              {"vm process", "query process of erlang vm"},
              {"vm io",      "queue io of erlang vm"}]).
  %%------------------------------------------------------------------------------
  %% @doc Trace Command
  %% @end
  %%------------------------------------------------------------------------------
  
  trace(["list"]) ->
      foreach(fun({{Who, Name}, LogFile}) ->
                  ?PRINT("trace ~s ~s -> ~s~n", [Who, Name, LogFile])
  
negative.code: 
  -export([status/1, broker/1, cluster/1, bridges/1,
           clients/1, sessions/1, plugins/1, listeners/1,
           vm/1, mnesia/1, trace/1]).
  
  -define(PROC_INFOKEYS, [status,
                          memory,
  