Trouble interpreting stabilize performance

Hello,

I’m having trouble interpreting my dataflash files while in stabilise mode. Reading through the wiki my values for desired roll (des roll) and actual roll (roll) should really well. But I’ve got crazy spikes all over the place.
I don’t see this issue with Alt hold and loiter. Being a noob I’m not sure what I should be looking for.

Anyone?

Sorry…posted in wrong forum. Could someone delete this please?