Chasing coil whine into the CPU idle states
An old gaming laptop running Proxmox as an always-on server ticked like a broken clock. The cause was the CPU’s deepest idle states, the fix was in cpuidle, and the price was 10 to 15 W.
An old gaming laptop running Proxmox as an always-on server ticked like a broken clock. The cause was the CPU’s deepest idle states, the fix was in cpuidle, and the price was 10 to 15 W.