diff --git a/userspace/install_extras.sh b/userspace/install_extras.sh
index ee117b1..9d89861 100755
--- a/userspace/install_extras.sh
+++ b/userspace/install_extras.sh
@@ -3,4 +3,5 @@
 # for all the non-essential nice to haves
 
 apt-get update && apt-get install -y --no-install-recommends \
+  irqtop \
   ripgrep
diff --git a/userspace/usr/comma/tests/watch-irqs.sh b/userspace/usr/comma/tests/watch-irqs.sh
new file mode 100644
index 0000000..059bdd9
--- /dev/null
+++ b/userspace/usr/comma/tests/watch-irqs.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/bash
+
+# silences a ruby warning
+# https://bugs.launchpad.net/ubuntu/+source/iptables-netflow/+bug/1907932
+export RUBYOPT="-W0"
+
+irqtop