Attachment 155291 Details for Bug 240392 – new irabalance patch

[patch] new irabalance patch

irqbalance.patch (text/plain), 1.57 KB, created by Neil Horman on 2007-05-23 19:42:42 UTC

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Creator: Neil Horman

Created: 2007-05-23 19:42:42 UTC

Size: 1.57 KB

patch

obsolete

>Index: irqbalance.init
>===================================================================
>RCS file: /cvs/dist/rpms/irqbalance/RHEL-5-RT/irqbalance.init,v
>retrieving revision 1.7
>diff -u -r1.7 irqbalance.init
>--- irqbalance.init	17 May 2007 19:02:45 -0000	1.7
>+++ irqbalance.init	23 May 2007 19:36:25 -0000
>@@ -146,6 +146,30 @@
> 
> RETVAL=0
> 
>+reset_masks() {
>+	local i;
>+	for i in `ls /proc/irq`
>+	do
>+		mask=`sed -e's/[0-9a-f]/f/g' -e's/f/7/' /proc/irq/$i/smp_affinity` 
>+		echo $mask > /proc/irq/$i/smp_affinity
>+	done
>+}
>+
>+set_specific_masks() {
>+	local i;
>+
>+	for i in `ls /proc/irq/`
>+	do
>+		if [ -f /etc/sysconfig/irqbalance_masks/$i.mask ]
>+		then
>+			cat /etc/sysconfig/irqbalance_masks/$i.mask >> /proc/irq/$i/smp_affinity
>+		elif [ -f /etc/sysconfig/irqbalance_masks/default.mask ]
>+		then
>+			cat /etc/sysconfig/irqbalance_masks/default.mask >> /proc/irq/$i/smp_affinity	
>+		fi
>+	done
>+}
>+
> start() {
>         if [ -n "$ONESHOT" -a -f /var/lock/irqbalance ]; then
>                 exit 0
>@@ -155,8 +179,14 @@
> 	then
> 		export IRQBALANCE_BANNED_CPUS=$IRQ_AFFINITY_MASK
> 	fi 	
>-        daemon irqbalance $ONESHOT $IRQ_AFFINITY
>-        RETVAL=$?
>+	if [ -n "$SPECIFIC_MASKS" ]
>+	then
>+		set_specific_masks
>+		RETVAL=0
>+	else
>+		daemon irqbalance $ONESHOT $IRQ_AFFINITY
>+		RETVAL=$?
>+	fi
>         echo
>         if [ $RETVAL -eq 0 ]; then
>                 if [ -n "$ONESHOT" ]; then
>@@ -173,6 +203,7 @@
>         echo -n $"Stopping $prog: "
>         killproc irqbalance
>         RETVAL=$?
>+	reset_masks
>         echo
>         [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/irqbalance
> 	return $RETVAL

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Attachments on bug 240392: 154889 | 155146 | 155155 | 155291 | 155390