On Wed, 1 Nov 2017 18:25:46 +0000, David Woodfall wrote:
I guess I'll have to do some kernel compiling
again to see if it helps.
You already used a kernel with threadirqs, a RT kernel could improve
things, but can't do magic.
What distro are you using? Perhaps the distro provides a "better"
kernel. Did you already rule out other culprits? Shared IRQs, frequency
scaling, BIOS settings? Are you using rtirq? If so, did you check the
status?