Re: RT example

[Robert Schwebel <r.schwebel@pengutronix.de>]

On Wed, Jan 24, 2007 at 10:58:41AM -0800, Junior wrote:
> Does anyone have example code using the PREEMPT_RT patch?

You could for example start with cyclictest. It is also a good example
for how to write cyclic realtime programs on Linux.

> I've installed the patch for 2.6.18 and notice I'm actually runiing
> slower that without the patch.  I'm pretty sure it's something I'm
> doing or not doing and an example or some other docs should be enough
> to get me started.

Note that realtime is not about running fast, but running "in time".
That may often mean that the overall system performance goes down.

> PS. I'm using an ARM9 platform 

Do you have clocksource/clockevent support for your ARM9 chip?

Robert
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