gnu: Add irqbalance.

* gnu/packages/linux.scm (irqbalance): New variable.

Change-Id: I52b0fe462b1a1820370719e66fd976449168c9ea
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/packages/linux.scm

@@ -3696,6 +3696,32 @@ Both commands are targeted at system administrators.")
     (synopsis
      "Programs to configure Linux IP packet filtering rules (nftables API)")))
 
+(define-public irqbalance
+  (package
+    (name "irqbalance")
+    (version "1.9.4")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/irqbalance/irqbalance")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1jswxr0jcxz83j1nanl6xaxpw001l0hfb2xvvy2k970g1g1kpszd"))))
+    (build-system gnu-build-system)
+    (inputs (list glib ncurses libnl libcap-ng))
+    (native-inputs (list autoconf automake libtool pkg-config))
+    (home-page "https://irqbalance.github.io/irqbalance/")
+    (synopsis "Daemon used to load balance CPU interrupts")
+    (description
+     "Irqbalance is a daemon to help balance the CPU load generated by
+interrupts across all of a systems CPUs.  Irqbalance identifies the highest
+volume interrupt sources, and isolates each of them to a single unique CPU, so
+that load is spread as much as possible over an entire processor set, while
+minimizing cache miss rates for irq handlers.")
+    (license license:gpl2)))
+
 (define-public bolt
   (package
     (name "bolt")