Confine irqbalance to systems where it is useful.

Resolves: rhbz2063930

Signed-off-by: Tao Liu <ltao@redhat.com>

irqbalance-1.8.0-Confine-irqbalance-to-systems-where-it-is-useful.patch

@@ -0,0 +1,26 @@
+From 188f9efc567bcaef25bde2813cdee7f952f992f9 Mon Sep 17 00:00:00 2001
+From: Pat Riehecky <riehecky@fnal.gov>
+Date: Mon, 4 Apr 2022 08:38:32 -0500
+Subject: [PATCH] Confine irqbalance to systems where it is useful.
+
+Systems with only one CPU cannot benefit from this service, so
+don't start it when it isn't worth the resource consumption.
+---
+ misc/irqbalance.service | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/misc/irqbalance.service b/misc/irqbalance.service
+index fcc29c2..0f79c3e 100644
+--- a/misc/irqbalance.service
++++ b/misc/irqbalance.service
+@@ -3,6 +3,7 @@ Description=irqbalance daemon
+ Documentation=man:irqbalance(1)
+ Documentation=https://github.com/Irqbalance/irqbalance
+ ConditionVirtualization=!container
++ConditionCPUs=>1
+ 
+ [Service]
+ EnvironmentFile=-/usr/lib/irqbalance/defaults.env
+-- 
+2.33.1
+

irqbalance.spec

@@ -26,6 +26,7 @@ ExcludeArch: s390 s390x
 Patch1: irqbalance-1.8.0-drop-NoNewPrivs-from-irqbalance-service.patch
 Patch2: irqbalance-1.8.0-Disable-the-communication-socket-when-UI-is-disabled.patch
 Patch3: irqbalance-1.8.0-Drop-CapabilityBoundingSet-from-irqbalance-service.patch
+Patch4: irqbalance-1.8.0-Confine-irqbalance-to-systems-where-it-is-useful.patch
 
 %description
 irqbalance is a daemon that evenly distributes IRQ load across
@@ -36,6 +37,7 @@ multiple CPUs for enhanced performance.
 %patch1 -p1
 %patch2 -p1
 %patch3 -p1
+%patch4 -p1
 
 %build
 ./autogen.sh