Huge spike in Editor loop in a empty scene

Hello,

I am getting this huge spike in the editor every 7~10 sec.
As you can see it is 282ms.

Is there any way to see callstack of EditorLoop?

Unity 2020.3.16f1 LTS
AMD Ryzen 9 3900X 12-Core
64GB
GTX 2080

It seems like something in writing to Render Textures and it apparently affects Used Buffers for the stuttered frame. I am not playing the game it’s just pure editor mode in an empty scene.