Re: Why X11 influences the latency of xenomai?

孙世龙 sunshilong369 at gmail.com
Wed Apr 8 15:13:49 CEST 2020


Hi,
      I could not catch your idea about the GPU usage patterns. How could
I acquire this information?

      My laptop model is Dell Latitude 5501 runing over ubuntu 14.04 system.
      GPU model information: NVIDIA GeForce MX150.

     Best regards.

Jan Kiszka <jan.kiszka at siemens.com> 于2020年4月8日周三 下午5:05写道:

> On 08.04.20 10:39, 孙世龙 via Xenomai wrote:
> > Hi,
> >      Why X11 influences the latency of xenomai?I guess it has some
> relation
> > to GPU.Could you make me more clearly?
> >      I have solved the latency . I am using QT runing on linux
> framebuffer
> > ,disabled X11 at all.I really hope to why  X11 influences the latency of
> > xenomai
>
> It's not X11, it's the side effects of certain GPU usage patterns on
> your particular platform. Can you specify more details about both?
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT RDA IOT SES-DE
> Corporate Competence Center Embedded Linux
>


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