The title says it all really. I don't want to just kill something that seems so close to the bare metal, and
sudo service irqbalance stop says
stop: Unknown instance: -- what am I missing? Should I be disabling it somewhere and rebooting?
And 30 seconds later I found my answer - set
Sorry, nothing to see here, move along.
In 2018 the reason for removing it completely is a warning from the excellent
cpufreq Gnome panel applet for managing your processor governor settings, even down to temporarily disabling cores to reduce power consumption provided you have removed