Re: Status of -rt for linux-2.6.20/arch/powerpc

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Robert Schwebel wrote:
On Sun, Feb 11, 2007 at 01:39:44PM +0100, Wolfgang Grandegger wrote:
We have 2.6.20-rt3 running on the phyCORE-MPC5200B, so that one should
work and the merge problems did probably come in later (don't have the
time to look right now because of the Embedded World activities for next
week).
As I see it, 2.6.20-rt3 has the same issues (have now attached the missing make output). I fixed them manually and are now able to boot and run the 2.6.20-rt5 on my Icecube board. Nevertheless, cyclictest returns high values of around 8000-10000 (8-10ms). The fact that the unknown field 'is_continuous' in arch/powerpc/kernel/time.c is still present gives me the impression, that the code in there is not up-to-date. See you next week on the Embedded World.

I have uploaded the latest results to this place:

http://www.pengutronix.de/oselas/realtime/results/20070211-1/phyCORE-MPC5200B-tiny-20070211-1.png

Note that this is still no waterproof measurement, with 100k data
points and only ad-hoc stressing. We'll do more testing after the
tradeshow.
>
The 2.6.20-rt3 is a little bit patched, but I don't have the time right
now to dig into the details. We can discuss it on the Embedded World
next week, I'll take the patch stack with me.

OK, great, thanks.

See you next week.

Wolfgang.

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