From 5bf636732efab13fdd92dabfd746cafb156dd4f6 Mon Sep 17 00:00:00 2001
From: fantom-x <fantom-x@users.noreply.github.com>
Date: Sat, 29 Apr 2017 11:26:16 -0400
Subject: Support for collectd-mod-contextswitch

Signed-off-by: Marc Benoit marcb6218@gmail.com
---
 .../controller/luci_statistics/luci_statistics.lua |  3 ++-
 .../model/cbi/luci_statistics/contextswitch.lua    | 14 +++++++++++++
 .../rrdtool/definitions/contextswitch.lua          | 23 ++++++++++++++++++++++
 .../root/etc/config/luci_statistics                |  3 +++
 .../root/usr/bin/stat-genconfig                    |  6 ++++++
 5 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/contextswitch.lua
 create mode 100644 applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/contextswitch.lua

(limited to 'applications/luci-app-statistics')

diff --git a/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua b/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
index 36c5554d35..1bc0714de8 100644
--- a/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
+++ b/applications/luci-app-statistics/luasrc/controller/luci_statistics/luci_statistics.lua
@@ -24,6 +24,7 @@ function index()
 		s_network	= _("Network plugins"),
 
 		conntrack	= _("Conntrack"),
+		contextswitch	= _("Context Switches"),
 		cpu			= _("Processor"),
 		cpufreq		= _("CPU Frequency"),
 		csv			= _("CSV Output"),
@@ -58,7 +59,7 @@ function index()
 	-- our collectd menu
 	local collectd_menu = {
 		output  = { "csv", "network", "rrdtool", "unixsock" },
-		general = { "cpu", "cpufreq", "df", "disk", "email",
+		general = { "contextswitch", "cpu", "cpufreq", "df", "disk", "email",
 			"entropy", "exec", "irq", "load", "memory",
 			"nut", "processes", "sensors", "thermal", "uptime" },
 		network = { "conntrack", "dns", "interface", "iptables",
diff --git a/applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/contextswitch.lua b/applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/contextswitch.lua
new file mode 100644
index 0000000000..7ae6b24ba1
--- /dev/null
+++ b/applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/contextswitch.lua
@@ -0,0 +1,14 @@
+-- Licensed to the public under the Apache License 2.0.
+
+m = Map("luci_statistics",
+	translate("CPU Context Switches Plugin Configuration"),
+	translate("This plugin collects statistics about the processor context switches."))
+
+-- collectd_contextswitch config section
+s = m:section( NamedSection, "collectd_contextswitch", "luci_statistics" )
+
+-- collectd_contextswitch.enable
+enable = s:option( Flag, "enable", translate("Enable this plugin") )
+enable.default = 0
+
+return m
diff --git a/applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/contextswitch.lua b/applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/contextswitch.lua
new file mode 100644
index 0000000000..6826e12adb
--- /dev/null
+++ b/applications/luci-app-statistics/luasrc/statistics/rrdtool/definitions/contextswitch.lua
@@ -0,0 +1,23 @@
+-- Licensed to the public under the Apache License 2.0.
+
+module("luci.statistics.rrdtool.definitions.contextswitch",package.seeall)
+
+function rrdargs( graph, plugin, plugin_instance, dtype )
+
+	return {
+		title = "%H: Context switches",
+		alt_autoscale = true,
+		vlabel = "Switches/s",
+		number_format = "%5.0lf",
+		data = {
+			types = { "contextswitch" },
+			sources = {
+				contextswitch = { "value" }
+			},
+			options = {
+				contextswitch = { color = "0000ff", title = "Context switches", noarea=true, overlay=true }
+			}
+		}
+	}
+end
+
diff --git a/applications/luci-app-statistics/root/etc/config/luci_statistics b/applications/luci-app-statistics/root/etc/config/luci_statistics
index 774a8382e2..4a11ebc3e8 100644
--- a/applications/luci-app-statistics/root/etc/config/luci_statistics
+++ b/applications/luci-app-statistics/root/etc/config/luci_statistics
@@ -162,3 +162,6 @@ config statistics 'collectd_thermal'
 config statistics 'collectd_uptime'
 	option enable '0'
 
+config statistics 'collectd_contextswitch'
+        option enable '0'
+
diff --git a/applications/luci-app-statistics/root/usr/bin/stat-genconfig b/applications/luci-app-statistics/root/usr/bin/stat-genconfig
index c4542bbc2f..090344cee4 100755
--- a/applications/luci-app-statistics/root/usr/bin/stat-genconfig
+++ b/applications/luci-app-statistics/root/usr/bin/stat-genconfig
@@ -279,6 +279,12 @@ plugins = {
 		{ }
 	},
 
+        contextswitch = {
+                { },
+                { },
+                { }
+        },
+
 	csv	= {
 		{ "DataDir" },
 		{ "StoreRates" },
-- 
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