Re: [X2Go-User] Low Latency

  They do not have the kernel built preemptively, this you can check by

looking at the config file they ship, I was not able to get rid of the stutter in the video without enabling this on my other boxes and building a kernel.

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On Fri, 3 Apr 2015, Michael DePaulo wrote:

Date: Fri, 3 Apr 2015 06:51:35 -0400 From: Michael DePaulo <mikedep333@gmail.com> To: Robert Dinse <nanook@eskimo.com> Cc: "x2go-user@lists.x2go.org" <x2go-user@lists.x2go.org> Subject: Re: [X2Go-User] Low Latency

On Fri, Apr 3, 2015 at 1:23 AM, Robert Dinse <nanook@eskimo.com> wrote:

...

On 04/02/2015 10:46 AM, Les Mikesell wrote:

Someone recently posted on the x2go list that he had a problem with
jerky videos playing remotely on Ubuntu, but solved it by installing a
low latency kernel that was available as an alternative.  That made me
curious as to whether CentOS has an equivalent - or a way to build
something similar.

 Les, I can help you with CentOS 6 kernels but I haven't been successful

at installing a custom kernel on CentOS 7, for some reason after I update grub2 then try to boot, I get a pointer alignment error and can't even get the grub boot screen up. But I have been successful with CentOS 6 and can provide assistance if needed.

[...]

Rather than having different builds of the kernel, RHEL has low latency performance tuning guides. These presumably apply to CentOS also:

Low Latency Performance Tuning Guide for Red Hat Enterprise Linux 6 https://access.redhat.com/articles/221153

Low Latency Performance Tuning for Red Hat Enterprise Linux 7 https://access.redhat.com/articles/1323793 (This one requires a RHEL subscription to access. It's a PDF like the RHEL6 guide.)

-Mike#2