linuxaudio.org

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On Tue, Feb 19, 2013 at 3:16 AM, Simon Wise  wrote:
> On 19/02/13 04:36, jonetsu@teksavvy.com wrote:

quoted text
>

>> If a better response time from the kernel is something that's Good, why

>> isn't

>> lowlatency kernels a default in Linux distros (well, at least in Linux

>> Mint and

>> Fedora) If it is So Good, what are the arguments for not having a

>> lowlatency

>> kernel by default ? Any drawbacks ? I presume the Audio-oriented Linux

>> distros

>> do have lowlatency kernels by default, do they ?

>>

>

> aside from the other things mentioned there is a trade-off between GUI

> responsiveness and audio latency ... if you do the full rt-audio set-up

> then the programs you set as very high priority can easily lock everything

> else out. T

>

on modern systems this is unlikely to be the case any more. (a) multicore

(b) kernel mechanisms to reserve a (small) fraction of available CPU for

non-RT tasks.
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On Tue, Feb 19, 2013 at 3:16 AM, Simon W=

ise <simonzwise@gmail.com> wrote:

On 19/02/13 04:36, jonetsu@teksavvy.com wrote:
If a better response time from the kernel is something that's Good, why=

 isn't

lowlatency kernels a default in Linux distros (well, at least in Linux Mint=

 and

Fedora) If it is So Good, what are the arguments for not having a lowlatenc=

y

kernel by default ? Any drawbacks ? I presume the Audio-oriented Linux dist=

ros

do have lowlatency kernels by default, do they ?
aside from the other things mentioned there is a trade-off between GUI resp=

onsiveness and audio latency ... if you do the full rt-audio set-up then th=

e programs you set as very high priority can easily lock everything else ou=

t. T

on modern systems this is unlikely to be the case any=

 more. (a) multicore (b) kernel mechanisms to reserve a (small) fraction of=

 available CPU for non-RT tasks. 
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