-ifdef(PROF). -define(balance_prof, dynomite_prof:balance_prof()). -define(prof(Label), dynomite_prof:start_prof(Label)). -define(forp(Label), dynomite_prof:stop_prof(Label)). -else. -define(prof(Label), true). -define(forp(Label), true). -define(balance_prof, true). -endif.