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

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Message-ID: <45FE6A48.10006@aitel.hist.no>
Date:	Mon, 19 Mar 2007 11:47:36 +0100
From:	Helge Hafting <helge.hafting@...el.hist.no>
To:	Antonio Vargas <windenntw@...il.com>
CC:	linux-kernel@...r.kernel.org, ck@....kolivas.org,
	Al Boldi <a1426z@...ab.com>, Con Kolivas <kernel@...ivas.org>,
	jos poortvliet <jos@...nkamer.nl>
Subject: Re: [ck] Re: [ANNOUNCE] RSDL completely fair starvation free interactive
 cpu scheduler

Antonio Vargas wrote:
>
> IIRC, about 2 or three years ago (or maybe on the 2.6.10 timeframe),
> there was a patch which managed to pass the interactive from one app
> to another when there was a pipe or udp connection between them. This
> meant that a marked-as-interactive xterm would, when blocked waiting
> for an Xserver response, transfer some of its interactiveness to the
> Xserver, and aparently it worked very good for desktop workloads so,
> maybe adapting it for this new scheduler would be good.
And it was dropped because of some very nasty side effect,
probably a DOS opportunity.

Helge Hafting

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