From 43b438f06897a390e16709b3f9e11355f325e2e9 Mon Sep 17 00:00:00 2001
From: Bruce Ashfield <bruce.ashfield@windriver.com>
Date: Thu, 14 Mar 2013 23:31:38 -0700
Subject: meta-virtualization: add irqbalance

Depending on the requirements of a system, interrupt balancing may
be desireable.

This commit adds irqbalance to provide a daemon to balance interrupts
across multiple CPUs, which can lead to better performance and IO
balance on SMP systems.

Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
---
 .../irqbalance/irqbalance/add-initscript.patch     | 47 ++++++++++++++++++++++
 recipes-extended/irqbalance/irqbalance_1.0.4.bb    | 39 ++++++++++++++++++
 2 files changed, 86 insertions(+)
 create mode 100644 recipes-extended/irqbalance/irqbalance/add-initscript.patch
 create mode 100644 recipes-extended/irqbalance/irqbalance_1.0.4.bb

diff --git a/recipes-extended/irqbalance/irqbalance/add-initscript.patch b/recipes-extended/irqbalance/irqbalance/add-initscript.patch
new file mode 100644
index 00000000..46a75a86
--- /dev/null
+++ b/recipes-extended/irqbalance/irqbalance/add-initscript.patch
@@ -0,0 +1,47 @@
+irqbalance: add basic init script
+
+The upstream irqbalance release package does not contain an
+init script so we create a basic one here.
+
+Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
+---
+Index: irqbalance-0.56/irqbalance.init
+===================================================================
+--- /dev/null
++++ irqbalance-0.56/irqbalance.init
+@@ -0,0 +1,35 @@
++#!/bin/sh
++#
++# Copyright (c) 2012 Wind River Systems, Inc.
++#
++### BEGIN INIT INFO
++# Provides:             irqbalance
++# Required-Start:
++# Required-Stop:
++# Default-Start:        2 3 4 5
++# Default-Stop:         0 1 6
++# Short-Description:    IRQ allocation daemon
++### END INIT INFO
++
++case "$1" in
++  start)
++	echo -n "Starting irqbalance: "
++	start-stop-daemon -S -b -n irqbalance -a /usr/sbin/irqbalance
++	echo "done"
++	;;
++  stop)
++	echo -n "Shutting down irqbalance: "
++	start-stop-daemon -K -n irqbalance
++	echo "done"
++	;;
++  restart)
++	$0 stop
++	$0 start
++	;;
++  *)
++	echo "Usage: $0 {start | stop | restart}" >&2
++	exit 1
++	;;
++esac
++
++exit 0
diff --git a/recipes-extended/irqbalance/irqbalance_1.0.4.bb b/recipes-extended/irqbalance/irqbalance_1.0.4.bb
new file mode 100644
index 00000000..aa9941c5
--- /dev/null
+++ b/recipes-extended/irqbalance/irqbalance_1.0.4.bb
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2013 Wind River Systems, Inc.
+#
+SUMMARY = "IRQ allocation daemon"
+DESCRIPTION = "A daemon to balance interrupts across multiple CPUs, \
+which can lead to better performance and IO balance on SMP systems."
+
+HOMEPAGE = "http://code.google.com/p/irqbalance/"
+BUGTRACKER = "http://code.google.com/p/irqbalance/issues/list"
+
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f \
+		    file://irqbalance.c;beginline=6;endline=8;md5=b94e153694672307b503b1bc87dc9e24 \
+		   "
+
+DEPENDS = "glib-2.0"
+SRC_URI = "http://irqbalance.googlecode.com/files/irqbalance-${PV}.tar.bz2 \
+	   file://add-initscript.patch \
+	  "
+
+SRC_URI[md5sum] = "f7ca283c46331db73f27e686a643dcfb"
+SRC_URI[sha256sum] = "15725edf4a6f20258620cbd05ebf02d0c25aadd5ffa4871ef8507c9215021c43"
+
+INITSCRIPT_NAME = "irqbalanced"
+INITSCRIPT_PARAMS = "defaults"
+
+inherit autotools
+inherit update-rc.d
+
+EXTRA_OECONF = "--program-transform-name= \
+	        --with-sysroot=${STAGING_DIR_TARGET} \
+	       "
+
+do_install () {
+        oe_runmake 'DESTDIR=${D}' install
+        install -d ${D}${sysconfdir}/init.d
+        cat ${S}/irqbalance.init | sed -e's,/usr/sbin,${sbindir},g' > ${D}${sysconfdir}/init.d/irqbalanced
+        chmod 755 ${D}${sysconfdir}/init.d/irqbalanced
+}
-- 
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