librenms-librenms/html/includes/graphs/application/ntp-server_bits.inc.php

<?php
$nototal = 1;
$ds_in  = 'packets_recv';
$ds_out = 'packets_sent';
$graph_title .= '::packets';
$unit_text    = 'Packets';
$colour_line_in      = '330033';
$colour_line_out     = 'FF6600';
$colour_area_in      = 'AA66AA';
$colour_area_out     = 'FFDD88';
$colour_area_in_max  = 'CC88CC';
$colour_area_out_max = 'FFEFAA';

$ntpdserver_rrd = rrd_name($device['hostname'], array('app', 'ntp-server', $app['app_id']));

if (rrdtool_check_rrd_exists($ntpdserver_rrd)) {
    $rrd_filename = $ntpdserver_rrd;
}

require 'includes/graphs/generic_duplex.inc.php';