Re: [LAU] Basic question about use of a lowlatency kernel

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
To: Simon Wise <simonzwise@...>
Cc: <linux-audio-user@...>
Date: Tuesday, February 19, 2013 - 12:36 pm

--f46d04071533128cb004d6131829
Content-Type: text/plain; charset=ISO-8859-1

On Tue, Feb 19, 2013 at 3:16 AM, Simon Wise wrote:

> On 19/02/13 04:36, jonetsu@teksavvy.com wrote:

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.

--f46d04071533128cb004d6131829
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

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.

--f46d04071533128cb004d6131829--

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
Re: [LAU] Basic question about use of a lowlatency kernel, Paul Davis, (Tue Feb 19, 12:36 pm)
Re: [LAU] Basic question about use of a lowlatency kernel, Ralf Mardorf, (Mon Feb 18, 11:43 pm)
Re: [LAU] Basic question about use of a lowlatency kernel, Federico Bruni, (Mon Feb 18, 8:43 pm)