anchor.diff:      case lasp_config:get(instrumentation, false) of
           true ->
               lasp_instrumentation:convergence();
  +        false ->
  +            ok
  +    end.
  +
  +%% @private
  +log_batch(Start, End, Events) ->
  +    case lasp_config:get(instrumentation, false) of
  +        true ->
  +            lasp_instrumentation:batch(Start, End, Events);
  +        false ->
  +            ok
  +    end.
  +
  +%% @private
  +log_event(Duration) ->
  +    case lasp_config:get(event_logging, false) of
  +        true ->
  +            lasp_instrumentation:event(Duration);
           false ->
               ok
       end.
  
positive.code:                end),
      lager:info("Configured."),
  
      {ok, #state{actor=Actor, events=0}}.
  
  %% @private
  -spec handle_call(term(), {pid(), term()}, #state{}) ->
  
negative.code: -include("lasp.hrl").
  
  %% State record.
  -record(state, {actor, events, batch_start, batch_events}).
  
  %%%===================================================================
  %%% API
  