Re: [Xenomai-core] ... the rt-preempt patch once been in fusion

2006-02-06 Thread Philippe Gerum

Hannes Mayer wrote:

Ciao Philippe!

Philippe Gerum wrote:
[...]

Clearly not, it is still on the project's agenda, but PREEMPT_RT has 
been too much of a moving target recently, not to speak of the vanilla 
2.6 kernel itself. 



Recently ? As for Kernel 2.6 there has always been too much
development for a stable release IMO, so I still prefer 2.4,
but that's a solely personal opinion. On the other hand, 2.6
has been quite stable for me (desktop and devel-stress-testing).



I've not talked about instability for 2.6, but rather significant changes in some 
low-level layers. Incidentally, some of them were triggered by portion of the 
PREEMPT_RT infrastructure leaking to the vanilla kernel. Unfortunately, this 
sometimes causes issues you have to deal with when adapting Adeos to each new release.


This combo cannot be done overnight, 



I was not complaining - just curious :-)

This work is likely going to start by a test campaign evaluating 
PREEMPT_RT's and Xeno's nucleus performances in a series of simple and 
relevant test cases over different ranges of platforms, so that we could 



Testing ?
FWIW, I've just completed another page about the vanilla vs.
preempt_rt thing:
http://www.captain.at/howto-linux-real-time-patch.php
If you have the one or another additional stress test, I'd be more
than happy to add it to the page.



Ack. Thanks.


Thanks and best regards,
Hannes.




--

Philippe.

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[Xenomai-core] ... the rt-preempt patch once been in fusion

2006-02-05 Thread Hannes Mayer

Hi all!

Well, subject says almost all.
I remember there has been an effort to make a fusion/rt-preempt
patch conglomerate back then.
I'm just curious (as I've just been toying with the Molnar
patch) - has that thing been dropped in xeno completely ?

Thanks and best regards,
Hannes.