[PlanetCCRMA] How to create a 4.0 rt kernel package?

[Yury Bulka]

Thank you Fernando. Especially for the rtirq suggestion.

Yury.


Fernando Lopez-Lezcano <nando at ccrma.Stanford.EDU> writes:

> On 05/14/2015 02:22 AM, Yury Bulka wrote:
>> Dear CCRMA,
>
> Hi Yuri,
>
>> I'm looking for advice on compiling a 4.0 rt kernel "the proper way",
>> i.e. to have an -rt package that is similar to the official PlanetCCRMA
>> packages. Perhaps just some pointers to information on how this is done
>> for planet ccrma. I know how to compile kernels from the bare source
>> (from kernel.org), but haven't yet compiled rt kernels into rpms.
>>
>> Do you have any scripts you use to build the rt kernels?
>
> No, no scripts (other than my generic build system), just a modified
> spec file derived from normal Fedora builds. That is available as part
> of the srpm package in the Planet CCRMA "planetcore" repository.
>
> The problem at the moment is that an rt patch has not been released
> for 4.0+. The latest is for 3.18. So there is no way to create an rt
> patched 4.0+ kernel without being one of the kernel gurus that deal
> with the rt patch...
>
>> The reason I have to do this is because I'm on a machine that has an
>> Intel Broadwell graphics unit that only works properly with 4.0+
>> kernels:( That's why I've upgraded to Fedora 22.
>>
>> Would be enormously grateful for any hints,
>
> Sorry I can't be of more help... You will have to use the stock Fedora
> kernels for now. Make sure you enable IRQ threading and set priorities
> with rtirq as that can probably help with latency if that is critical
> to your application.
>
> Eagerly waiting for 4.x.x-rty...
> Best,
> -- Fernando