Re: Why X11 influences the latency of xenomai？
jan.kiszka at siemens.com
Wed Apr 8 18:41:04 CEST 2020
On 08.04.20 15:13, 孙世龙 wrote:
> 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
> GPU model information： NVIDIA GeForce MX150.
NVIDIA... using their close-source driver or nouveau?
It's been a long time I ran that on a Xenomai box, I only vaguely
remember that there used to be issues with lengthy cache flushes when
data is pushed to RAM in order to make it visible to the GPU.
> Best regards.
> Jan Kiszka <jan.kiszka at siemens.com <mailto: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
> > ,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?
> Siemens AG, Corporate Technology, CT RDA IOT SES-DE
> Corporate Competence Center Embedded Linux
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux
More information about the Xenomai