On Mon, Oct 28, 2013 at 11:05 AM, Gene Heskett <gheskett@email-addr-hidden> wrote:
> I have not yet looked at SteamOS, but you are claiming realtime for it.
> That pulls my curiosity trigger because one of my hobbies is CNC
> machinery, and its realtime demands are far more stringent than some .1
> millisecond accurate audio delivery. Currently we are running linuxcnc on
> 2.6.32-122-RTAI, but that RTAI patch is invasive as hell, [ ... ]
>
> If SteamOS is claiming real time, just how "realtime" is it?
>
There is no comparing even the RT kernel with RTAI. They are totally
different conceptions. RTAI is basically a microkernel that runs a normal
kernel as a client. It requires drivers for every device that is included
in "realtime land" (i.e. for audio, you cannot use ALSA, you would need new
drivers that run in the RT executive.
SteamOS *might* use the RT kernel, but I'd be incredibly surprised if they
even considered RTAI.
--p
(disclaimer: i haven't looked at RTAI for quite a long time, things might
have changed)
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Received on Mon Oct 28 20:15:03 2013
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