configuration option to show load averages on overview page

2 files changed, 19 insertions, 14 deletions

diff --git a/conf/config.php b/conf/config.php
index b402b7f..d31b129 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -15,6 +15,9 @@ $CONFIG['rrdtool'] = '/usr/bin/rrdtool';
 # default plugins to show on host page
 $CONFIG['overview'] = array('load', 'cpu', 'memory', 'swap');
 
+# show load averages on overview page
+$CONFIG['showload'] = true;
+
 # browser cache time for the graphs (in seconds)
 $CONFIG['cache'] = 90;
 
diff --git a/inc/html.inc.php b/inc/html.inc.php
index c524e46..a05aab6 100644
--- a/inc/html.inc.php
+++ b/inc/html.inc.php
@@ -67,24 +67,26 @@ function host_summary($hosts) {
         echo "<table class=\"summary\">\n";
 
         foreach($hosts as $host) {
-                collectd_flush(sprintf('%s/load/load', $host));
-                $rrd_info = $rrd->rrd_info($CONFIG['datadir'].'/'.$host.'/load/load.rrd');
-
-                # ignore if file does not exist
-                if (!$rrd_info)
-                        continue;
-
                 printf('<tr><th><a href="%s/host.php?h=%s">%s</a></th>',
                         $CONFIG['weburl'],$host, $host);
 
-                if (isset($rrd_info['ds[shortterm].last_ds']) &&
-                        isset($rrd_info['ds[midterm].last_ds']) &&
-                        isset($rrd_info['ds[longterm].last_ds'])) {
+                if ($CONFIG['showload']) {
+                        collectd_flush(sprintf('%s/load/load', $host));
+                        $rrd_info = $rrd->rrd_info($CONFIG['datadir'].'/'.$host.'/load/load.rrd');
+
+                        # ignore if file does not exist
+                        if (!$rrd_info)
+                                continue;
+
+                        if (isset($rrd_info['ds[shortterm].last_ds']) &&
+                                isset($rrd_info['ds[midterm].last_ds']) &&
+                                isset($rrd_info['ds[longterm].last_ds'])) {
 
-                        printf('<td>%.2f</td><td>%.2f</td><td>%.2f</td>',
-                                $rrd_info['ds[shortterm].last_ds'],
-                                $rrd_info['ds[midterm].last_ds'],
-                                $rrd_info['ds[longterm].last_ds']);
+                                printf('<td>%.2f</td><td>%.2f</td><td>%.2f</td>',
+                                        $rrd_info['ds[shortterm].last_ds'],
+                                        $rrd_info['ds[midterm].last_ds'],
+                                        $rrd_info['ds[longterm].last_ds']);
+                        }
                 }
 
                 print "</tr>\n";