* luci/statistics: implement support for the load plugin

applications/luci-statistics/luasrc/controller/luci_statistics/luci_statistics.lua

@@ -44,7 +44,7 @@ function index()
 	-- our collectd menu
 	local collectd_menu = {
 		output  = { "rrdtool", "network", "unixsock", "csv" },
-		system  = { "exec", "email", "cpu", "df", "disk", "irq", "processes" },
+		system  = { "exec", "email", "cpu", "df", "disk", "irq", "processes", "load" },
 		network = { "interface", "netlink", "iptables", "tcpconns", "ping", "dns", "wireless" }
 	}
 

applications/luci-statistics/luasrc/i18n/statistics.de.lua

@@ -46,6 +46,7 @@ stat_exec      = "Exec"
 stat_rrdtool   = "RRDTool"
 stat_network   = "Netzwerk"
 stat_csv       = "CSV Ausgabe"
+stat_load      = "Systemlast"
 
 
 --
@@ -136,6 +137,12 @@ stat_dg_title_irq	= "%H: Interrupts"
 stat_dg_label_irq	= "Aufrufe/s"
 stat_ds_irq		= "IRQ %di"
 
+stat_dg_title_load      = "%H: Systemlast"
+stat_dg_label_load      = "Last"
+stat_ds_load__shortterm = "1 Minute"
+stat_ds_load__midterm   = "5 Minuten"
+stat_ds_load__longterm  = "15 Minuten"
+
 
 --
 -- CBI translations
@@ -306,6 +313,14 @@ lucistatistics_collectdirq_irqs           = "Interrups überwachen"
 lucistatistics_collectdirq_irqs_desc      = "mehrere mit Leerzeichen trennen"
 lucistatistics_collectdirq_ignoreselected = "Alle außer Ausgewählte überwachen"
 
+-- load plugin
+lucistatistics_collectdload        = "Load Plugin Konfiguration"
+lucistatistics_collectdload_desc   = [[
+        Das Load-Plugin sammelt Informationen über die allgemeine Systemlast. 
+]]
+
+lucistatistics_collectdload_enable = "Plugin aktivieren"
+
 -- netlink plugin
 lucistatistics_collectdnetlink            = "Netlink Plugin Konfiguration"
 lucistatistics_collectdnetlink_desc       = [[

applications/luci-statistics/luasrc/i18n/statistics.en.lua

@@ -46,6 +46,7 @@ stat_exec      = "Exec"
 stat_rrdtool   = "RRDTool"
 stat_network   = "Network"
 stat_csv       = "CSV Output"
+stat_load      = "System Load"
 
 
 --
@@ -136,6 +137,12 @@ stat_dg_title_irq	= "%H: Interrupts"
 stat_dg_label_irq	= "Issues/s"
 stat_ds_irq		= "IRQ %di"
 
+stat_dg_title_load      = "%H: System Load"
+stat_dg_label_load      = "Load"
+stat_ds_load__shortterm = "1 min"
+stat_ds_load__midterm   = "5 min"
+stat_ds_load__longterm  = "15 min"
+
 
 --
 -- CBI translations
@@ -300,6 +307,14 @@ lucistatistics_collectdirq_irqs           = "Monitor interrupts"
 lucistatistics_collectdirq_irqs_desc      = "multiple separated by space"
 lucistatistics_collectdirq_ignoreselected = "Monitor all except selected ones"
 
+-- load plugin
+lucistatistics_collectdload        = "Load Plugin Configuration"
+lucistatistics_collectdload_desc   = [[
+	The load plugin collects statistics about the general system load.
+]]
+
+lucistatistics_collectdload_enable = "Enable this plugin"
+
 -- netlink plugin
 lucistatistics_collectdnetlink            = "Netlink Plugin Configuration"
 lucistatistics_collectdnetlink_desc       = [[

applications/luci-statistics/luasrc/model/cbi/luci_statistics/load.lua

@@ -0,0 +1,25 @@
+--[[
+
+Luci configuration model for statistics - collectd load plugin configuration
+(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+
+]]--
+
+m = Map("luci_statistics")
+
+-- collectd_wireless config section
+s = m:section( NamedSection, "collectd_load", "luci_statistics" )
+
+-- collectd_wireless.enable
+enable = s:option( Flag, "enable" )
+enable.default = 0
+
+return m

applications/luci-statistics/luasrc/statistics/rrdtool/definitions/load/load.lua

@@ -0,0 +1,33 @@
+--[[
+
+Luci statistics - load plugin diagram definition
+(c) 2008 Freifunk Leipzig / Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+
+]]--
+
+module("luci.statistics.rrdtool.definitions.load.load", package.seeall)
+
+function rrdargs( graph, plugin, plugin_instance, dtype )
+
+	return {
+		data = {
+			sources = {
+				load = { "shortterm", "midterm", "longterm" }
+			},
+
+			options = {
+				load__shortterm = { color = "ff0000" },
+				load__midterm   = { color = "ff6600" },
+				load__longterm  = { color = "ffaa00" }
+			}
+		}
+	}
+end

applications/luci-statistics/root/usr/bin/stat-genconfig

@@ -298,6 +298,12 @@ plugins = {
 		{ "Irqs" }
 	},
 
+	load	= {
+		{ },
+		{ },
+		{ }
+	},
+
 	logfile	= {
 		{ "LogLevel", "File" },
 		{ "Timestamp" },