Disable IRQ Balance
Posted on Sunday March 13, 2016 by Eric Potvin
You should turn off IRQ Balance to make sure you do not get hardware interrupts in your threads. Turning off IRQ Balance, will optimize the balance between power savings and performance through distribution of hardware interrupts across multiple processors.
To disable IRQ Balance, edit
sudo vi /etc/default/irqbalance
And Change the ENABLED value to 0: