From c0a28c5f59822c347503c0b856000232c0ba4f42 Mon Sep 17 00:00:00 2001
From: Pim van den Berg
Date: Sat, 6 Mar 2010 10:48:27 +0100
Subject: configuration option to show load averages on overview page

---
 conf/config.php  |  3 +++
 inc/html.inc.php | 30 ++++++++++++++++--------------
 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";
-- 
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