Re: [Xenomai-core] RT_PREEMPT patch and other things...

2009-07-19 Thread Jan Kiszka
Wolfgang Denk wrote:
> Dear Jan Kiszka,
> 
> In message <4a60a5b5.3090...@siemens.com> you wrote:
>>> 4) What are the most important conferences/summits/... for Xenomai  
>>> developers?
>> E.g. RTLWS [1]. At least /me plans to attend (though on a non-Xenomai
>> topic).
> 
> Actually I'm trying to organize something like a Xenomai User's
> Meeting at this year's RTLWS.

Great! Wolfgang G. mentioned it recently, but I was already afraid it
would not make it beyond a "it would be nice if...".

> 
> So far some Xenomai / Adeos related presentations have  already  been
> submitted  (though  I  don't  know  about acceptance, schedule or the
> like):
> 
> * ARM Fast Context Switch Extension for Linux
>   Richard Cochran, OMICRON electronics GmbH
>   Gilles Chanteperdrix, xenomai.org
> 
> * Transparent real time behavior, a new approach
>   Rene Graf, Siemens AG
>   Manfred Neugebauer, Siemens AG
>   Wolfgang Hartmann, Siemens AG
> 
> * Colibri-in-Motion: embedded virtualization technics devoted to hard 
> realtime control
>   Daniel Rossier, Reconfigurable Embedded Digital Systems, HEIG-VD/HES-SO, 
> Switzerland
>   Patrick Gerber, Reconfigurable Embedded Digital Systems, HEIG-VD/HES-SO, 
> Switzerland
> 
> * Real Time Toolkit for Open Robot Control Software
>   Peter Soetens, Katholieke Universiteit Leuven
>   Markus Klotzbücher, Katholieke Universiteit Leuven
> 
> (not mentioned here several presentations covering RTAI).
> 
> In addition to Gilles'/Richard's  presentation  above  Philippe  also
> indicated that he might eventually come and give a presentation :-)
> 
> 
> 
> Anybody interested to come: please let me know. My dream is  that  as
> many as possible give a short (2...5 minutes sufficient) presentation
> of  their  project:  how  long  they've  been using Xenomai, on which
> platform, what their  are  of  business  is,  eventually  what  their
> project is about, success stories, what you like about Xenomai, where
> you  ran  into  problems, what is still missing in Xenomai to make it
> even easier to use for you, etc. etc...
> 
> 
> I know that many people from many companies read this  list  and  use
> Xenomai  in  their projects, often without ever activly participating
> in the discussions here. Come together at RTLWS! That's the chance to
> see who else is doing the same, and to match faces to names.

I will spread the news internally, but I'm afraid it's still too early
for our customers to show up publicly. In any case, I will try to
prepare some technical information that can be released already (at the
bare minimum a summary of what went to the list and into the repos
during our project).

> 
> See http://www.osadl.org/Dresden-2009.rtlws11-dresden-2009.0.html for
> details, and/or contact me in case of questions, suggestions,  or  if
> you have an abstract for a presentation (yes, the deadline is already
> past, but I'll try to help).
> 
> Best regards,
> 
> Wolfgang Denk
> 

Jan



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Re: [Xenomai-core] RT_PREEMPT patch and other things...

2009-07-17 Thread Wolfgang Denk
Dear Andreas Glatz,

In message <71d4c981-5356-40c4-ad25-3ea41bd56...@gmail.com> you wrote:
> 
> When do u think Xenomai-Solo will become stable (ready for production  
> use on a powerpc platform)?

Umm... it was stable when it has been released, or do you think
Philippe would release unstable code? 

Really - do you think there are any deficiencies in Xenomai-Solo?

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
Far back in the mists of ancient time, in the great and glorious days
of the former Galactic Empire, life was wild, rich  and  largely  tax
free. - Douglas Adams, _The Hitchhiker's Guide to the Galaxy_

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Re: [Xenomai-core] RT_PREEMPT patch and other things...

2009-07-17 Thread Andreas Glatz



On 17 Jul 2009, at 12:24, Jan Kiszka wrote:


Andreas Glatz wrote:

Hi,

I have some questions about the future of Xenomai:

1) I read that in Xenomai 3 you will add support to switch between
the native Xenomai scheduler
  and the Linux scheduler patched with the RT_PREEMPT patchset.
When are you planning to
  start this development?



There are some early components available, see
http://git.denx.de/?p=xenomai-solo.git and
http://git.xenomai.org/?p=rtdm-native.git.



When do u think Xenomai-Solo will become stable (ready for production  
use on a powerpc platform)?


Andreas

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Re: [Xenomai-core] RT_PREEMPT patch and other things...

2009-07-17 Thread Wolfgang Denk
Dear Jan Kiszka,

In message <4a60a5b5.3090...@siemens.com> you wrote:
>
> > 4) What are the most important conferences/summits/... for Xenomai  
> > developers?
> 
> E.g. RTLWS [1]. At least /me plans to attend (though on a non-Xenomai
> topic).

Actually I'm trying to organize something like a Xenomai User's
Meeting at this year's RTLWS.

So far some Xenomai / Adeos related presentations have  already  been
submitted  (though  I  don't  know  about acceptance, schedule or the
like):

* ARM Fast Context Switch Extension for Linux
  Richard Cochran, OMICRON electronics GmbH
  Gilles Chanteperdrix, xenomai.org

* Transparent real time behavior, a new approach
  Rene Graf, Siemens AG
  Manfred Neugebauer, Siemens AG
  Wolfgang Hartmann, Siemens AG

* Colibri-in-Motion: embedded virtualization technics devoted to hard realtime 
control
  Daniel Rossier, Reconfigurable Embedded Digital Systems, HEIG-VD/HES-SO, 
Switzerland
  Patrick Gerber, Reconfigurable Embedded Digital Systems, HEIG-VD/HES-SO, 
Switzerland

* Real Time Toolkit for Open Robot Control Software
  Peter Soetens, Katholieke Universiteit Leuven
  Markus Klotzbücher, Katholieke Universiteit Leuven

(not mentioned here several presentations covering RTAI).

In addition to Gilles'/Richard's  presentation  above  Philippe  also
indicated that he might eventually come and give a presentation :-)



Anybody interested to come: please let me know. My dream is  that  as
many as possible give a short (2...5 minutes sufficient) presentation
of  their  project:  how  long  they've  been using Xenomai, on which
platform, what their  are  of  business  is,  eventually  what  their
project is about, success stories, what you like about Xenomai, where
you  ran  into  problems, what is still missing in Xenomai to make it
even easier to use for you, etc. etc...


I know that many people from many companies read this  list  and  use
Xenomai  in  their projects, often without ever activly participating
in the discussions here. Come together at RTLWS! That's the chance to
see who else is doing the same, and to match faces to names.

See http://www.osadl.org/Dresden-2009.rtlws11-dresden-2009.0.html for
details, and/or contact me in case of questions, suggestions,  or  if
you have an abstract for a presentation (yes, the deadline is already
past, but I'll try to help).

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de
Weekends were made for programming. - Karl Lehenbauer

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Re: [Xenomai-core] RT_PREEMPT patch and other things...

2009-07-17 Thread Jan Kiszka
Andreas Glatz wrote:
> Hi,
> 
> I have some questions about the future of Xenomai:
> 
> 1) I read that in Xenomai 3 you will add support to switch between  
> the native Xenomai scheduler
>   and the Linux scheduler patched with the RT_PREEMPT patchset.  
> When are you planning to
>   start this development?
> 

There are some early components available, see
http://git.denx.de/?p=xenomai-solo.git and
http://git.xenomai.org/?p=rtdm-native.git.

> 2) Is it right to say that when Xenomai runs on top of the patched  
> Linux scheduler we will still
>   have the native API with all it's nice features like RT_QUEUE  
> and RT_PIPE?

Yes, the plan is to allow easy code migration between both RT models,
and that would include code written for the Native skin.

> 
> 3) Have you ever heard about a Xenomai/IPIPE port to m68k?

I had some chat with the guy who is working on RTAI for m68k, which
included writing some I-pipe-like patch. Unfortunately there was not
much drive visible to push that part upstream. But it's released now, so
someone else could pick that task up.

> 
> 4) What are the most important conferences/summits/... for Xenomai  
> developers?

E.g. RTLWS [1]. At least /me plans to attend (though on a non-Xenomai
topic).

> 
> Greetings from the Linux Symposium in Montreal,
> 
> Andreas (Ruggedcom Inc.)

Jan

[1] http://www.osadl.org/Dresden-2009.rtlws11-dresden-2009.0.html

-- 
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux

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