Ubuntu Studio or Low Latency Kernel

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ManuelFantoni
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Ubuntu Studio or Low Latency Kernel

Unread post by ManuelFantoni » Mon Jul 01, 2019 10:38 pm

Ubuntu studio or low latency kernel release is planned?

I would like to use odroid to make live music but I have excessive latency problems.

thank you so much

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Re: Ubuntu Studio or Low Latency Kernel

Unread post by elatllat » Tue Jul 02, 2019 8:28 am

Are you sure the lag is not caused by something in userspace?

Did you try changing your kernel config?

https://www.phoronix.com/scan.php?page= ... orix&num=1
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ManuelFantoni (Tue Jul 02, 2019 5:39 pm)

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Re: Ubuntu Studio or Low Latency Kernel

Unread post by ManuelFantoni » Tue Jul 02, 2019 5:41 pm

elatllat wrote:
Tue Jul 02, 2019 8:28 am
Are you sure the lag is not caused by something in userspace?

Did you try changing your kernel config?

https://www.phoronix.com/scan.php?page= ... orix&num=1
I only did the update, what can I check and change in the kernel configuration? is there a text file to edit? thank you

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Re: Ubuntu Studio or Low Latency Kernel

Unread post by ManuelFantoni » Wed Jul 17, 2019 6:38 pm

someone can help me please?

thank you in advance
Manuel

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igorpec
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Re: Ubuntu Studio or Low Latency Kernel

Unread post by igorpec » Wed Jul 17, 2019 9:22 pm

ManuelFantoni wrote:
Wed Jul 17, 2019 6:38 pm
someone can help me please?
Recompile kernel with:
https://rt.wiki.kernel.org/index.php/Main_Page
https://cdn.kernel.org/pub/linux/kernel ... ts/rt/4.9/
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ManuelFantoni (Wed Jul 17, 2019 9:56 pm)
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ManuelFantoni
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Re: Ubuntu Studio or Low Latency Kernel

Unread post by ManuelFantoni » Wed Jul 17, 2019 9:58 pm

igorpec wrote:
Wed Jul 17, 2019 9:22 pm
ManuelFantoni wrote:
Wed Jul 17, 2019 6:38 pm
someone can help me please?
Recompile kernel with:
https://rt.wiki.kernel.org/index.php/Main_Page
https://cdn.kernel.org/pub/linux/kernel ... ts/rt/4.9/
thank you, I will try as soon as possible
I hope it's not too difficult 8-)

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Re: Ubuntu Studio or Low Latency Kernel

Unread post by elatllat » Thu Jul 18, 2019 8:32 am

viewtopic.php?f=176&t=33993&start=250#p261833

That example is for "next" mainline kernel, the odroid brance is 2x faster ( for now ) but may be harder to apply patches to.

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