librenms-librenms/html/pages/device/overview/mempools.inc.php

<?php

$graph_type = 'mempool_usage';

$mempools = dbFetchRows('SELECT * FROM `mempools` WHERE device_id = ?', array($device['device_id']));

if (count($mempools)) {
    echo '<div class="container-fluid">
        <div class="row">
        <div class="col-md-12">
        <div class="panel panel-default panel-condensed">
        <div class="panel-heading">
        ';
    echo '<a href="device/device='.$device['device_id'].'/tab=health/metric=mempool/">';
    echo "<img src='images/icons/memory.png'> Memory Pools</a>";
    echo '
        </div>
        <table class="table table-hover table-condensed table-striped">
        ';

    foreach ($mempools as $mempool) {
        if ($config['memcached']['enable'] === true) {
            $state = $memcache->get('mempool-'.$mempool['mempool_id'].'-state');
            d_echo($state);

            if (is_array($state)) {
                $mempool = array_merge($mempool, $state);
            }

            unset($state);
        }

        $percent    = round($mempool['mempool_perc'], 0);
        $text_descr = rewrite_entity_descr($mempool['mempool_descr']);
        $total      = formatStorage($mempool['mempool_total']);
        $used       = formatStorage($mempool['mempool_used']);
        $free       = formatStorage($mempool['mempool_free']);
        $background = get_percentage_colours($percent);

        $graph_array           = array();
        $graph_array['height'] = '100';
        $graph_array['width']  = '210';
        $graph_array['to']     = $config['time']['now'];
        $graph_array['id']     = $mempool['mempool_id'];
        $graph_array['type']   = $graph_type;
        $graph_array['from']   = $config['time']['day'];
        $graph_array['legend'] = 'no';

        $link_array         = $graph_array;
        $link_array['page'] = 'graphs';
        unset($link_array['height'], $link_array['width'], $link_array['legend']);
        $link = generate_url($link_array);

        $overlib_content = generate_overlib_content($graph_array, $device['hostname'].' - '.$text_descr);

        $graph_array['width']  = 80;
        $graph_array['height'] = 20;
        $graph_array['bg']     = 'ffffff00';
        // the 00 at the end makes the area transparent.
        $minigraph =  generate_lazy_graph_tag($graph_array);

        echo '<tr>
            <td>'.overlib_link($link, $text_descr, $overlib_content).'</td>
            <td>'.overlib_link($link, $minigraph, $overlib_content).'</td>
            <td>'.overlib_link($link, print_percentage_bar(200, 20, $percent, null, 'ffffff', $background['left'], $percent.'%', 'ffffff', $background['right']), $overlib_content).'
            </a></td>
            </tr>';
    }//end foreach

    echo '</table>
        </div>
        </div>
        </div>
        </div>';
}//end if