[X2Go-User] Low Latency

[Robert Dinse]

      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 at gmail.com>
> To: Robert Dinse <nanook at eskimo.com>
> Cc: "x2go-user at lists.x2go.org" <x2go-user at lists.x2go.org>
> Subject: Re: [X2Go-User] Low Latency
> 
> On Fri, Apr 3, 2015 at 1:23 AM, Robert Dinse <nanook at 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
>