linux-kernel - Re: [ANNOUNCE] RSDL completely fair starvation free interactive cpu scheduler

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Message-Id: <200703042335.26785.a1426z@gawab.com>
Date:	Sun, 4 Mar 2007 23:35:26 +0300
From:	Al Boldi <a1426z@...ab.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: [ANNOUNCE] RSDL completely fair starvation free interactive cpu scheduler

Con Kolivas wrote:
> > >> >> >This message is to announce the first general public release of
> > >> >> > the "Rotating Staircase DeadLine" cpu scheduler.

Thanks a lot!

> Just to make it clear. The purpose of this scheduler is at all costs to
> maintain absolute fairness no matter what type of load it is put under.

Great!

> This means that if you heavily load up your machine without the use of
> 'nice' then your interactive tasks _will_ slow down proportionately to the
> amount of cpu you use. So doing make -j4 for example will make any other
> task started in taht presence run precisely 1/5th speed, but they will
> still be responsive, have low latency (and audio shouldn't skip for
> example).

That's just what it did, but when you "nice make -j4", things (gears) start 
to stutter.  Is that due to the staircase?


Thanks!

--
Al

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