On Mon, Sep 13, 2010 at 7:24 PM, Chris Jones <[email protected]>wrote:
> On Tue, 2010-09-07 at 06:52 -0500, Scott Lavender wrote: > > On Tue, Sep 7, 2010 at 2:55 AM, David Henningsson > > <[email protected]> wrote: > > 2010-09-07 02:17, Chris Jones skrev: > > > I know I've raised the question before regarding the > > inclusion of the > > > real-time kernel in Ubuntu Studio, but why exactly is it > > necessary? > > > > That's a good question. Abogani has written a small overview > > of his take > > on it here: > > > https://lists.ubuntu.com/archives/kernel-team/2010-March/009323.html > > > > -- > > David Henningsson, Canonical Ltd. > > http://launchpad.net/~diwic <http://launchpad.net/%7Ediwic> > > > > > > And to answer Chris's question very succinctly; better performance. > > > > The -rt kernel can help lower latency and minimize the number of xruns > > so that your recording doesn't drop anything or create artifacts such > > as popping. > > > > From my understanding this also includes allowing firewire audio > > interface users to be able to adjust the interrupt priority to a more > > desirable setting allowing the firewire device to experience better > > perform from fewer interrupts. I believe I understand the basic > > principle of this but perhaps someone with broader experience can > > explain it better. > > > > Regards, > > ScottL > > So it seems to me that all examples and explanations given for the > inclusion of the real-time kernel by default are to cater for the > audiophiles using Ubuntu Studio as their platform. > > Forgive me if I'm mistaken, but isn't Ubuntu Studio focused toward 3 > groups of multimedia professionals-- Audio, Video and Graphic? > > > I don't know the technicalities or possibilities to include a kernel > option upon installation, but we need to somehow give the user a choice > of which kernel to use for Ubuntu Studio. > I know that either can be installed/removed via Synaptic, but not > everyone feels comfortable doing it via this method. > > > My point; there really is no reason for a real-time kernel when one uses > Ubuntu Studio for Video and Graphic work. > So with its default inclusion, it's simply catering for 1/3 of the > intended audience/users. > > Just my 2 cents. > > Regards > > > -- > Chris Jones <[email protected]> > <https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-devel> > Chris, You seem quite upset by this or am I misinterpreting your email? The -rt kernel is not included by default. The -rt kernel package isn't even in the archives anymore. Some would also disagree with your about an -rt kernel for video or graphic work. It has been suggested that the -rt kernel give better responsiveness when working with tablets although I am unaware it this has actually been tested. Regards, ScottL
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