Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!cs.utexas.edu!peyote!woan
From: woan@peyote.cactus.org (Ronald S. Woan)
Newsgroups: comp.unix.aix
Subject: Re: can an rs/6000 do real time, My IBM rep says so?
Summary: preemptable kernel
Message-ID: <2087@peyote.cactus.org>
Date: 21 Aug 90 23:18:20 GMT
References: <4263@cica.cica.indiana.edu>
Organization: Capital Area Central Texas Unix Society, Austin, TX
Lines: 20

In article <4263@cica.cica.indiana.edu>, ssw@cica.cica.indiana.edu (Steve Wallace) writes:
> 
> Our IBM rep is telling me that the RS/6000's AIX can do real time 
> applications.  Specifically, he says setting a proceses priority to the 
> highest value will guarantee that process responding to an interrupt 
> within a fixed about of time.  This sounds totally off-the-wall to me.  
> Can anyone elaborate on the real time capabilities of the rs/6000 , if 
> any.

I think he was referring to the fact that the AIX 3.1 kernel routines/system
calls are preemptable... This would seem to guarantee reasonable interrupt
response times (though not fixed as some kernel functions have to be
protected, of course).

						Ron
-- 
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+ Ronald S. Woan           woan@peyote.cactus.org or woan@soda.berkeley.edu +
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