RE: Why X11 influences the latency of xenomai?

Meng, Fino fino.meng at
Thu Apr 9 03:40:22 CEST 2020

> I have seen latency spikes caused by things in X with all DRM/KMS drivers
> disabled, only using xf86-video-vesa with Mesa software rasterizer. X can
> cause spikes without any GPU involvement, and I'm interested in this subject
> as well.
> Alec

If BIOS has the items, you can try set GPU frequency to minimum(100Mhz).
But if your app really need a better graphics performance, 
CAT (cache allocation tech.) will help to improve realtime capability on x86_64 processor, 

BR / Fino (孟祥夫)
Intel – IOTG Developer Enabling

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