From owner-freebsd-arch Tue Jan 28 21:48:33 2003 Delivered-To: freebsd-arch@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B63B937B401 for ; Tue, 28 Jan 2003 21:48:31 -0800 (PST) Received: from sccrmhc01.attbi.com (sccrmhc01.attbi.com [204.127.202.61]) by mx1.FreeBSD.org (Postfix) with ESMTP id ECC7E43FA3 for ; Tue, 28 Jan 2003 21:48:30 -0800 (PST) (envelope-from julian@elischer.org) Received: from InterJet.elischer.org (12-232-168-4.client.attbi.com[12.232.168.4]) by sccrmhc01.attbi.com (sccrmhc01) with ESMTP id <200301290548290010086uboe>; Wed, 29 Jan 2003 05:48:29 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id VAA20486; Tue, 28 Jan 2003 21:48:28 -0800 (PST) Date: Tue, 28 Jan 2003 21:48:26 -0800 (PST) From: Julian Elischer To: Kris Kennaway Cc: arch@FreeBSD.ORG Subject: Re: threads and the scheduler(s). In-Reply-To: <20030128201901.A1673@citusc.usc.edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, 28 Jan 2003, Kris Kennaway wrote: > On Tue, Jan 28, 2003 at 12:11:27PM -0800, Julian Elischer wrote: > > > > At the beginning of this we spec'd out a design and several things > > were said. > > > > 1/ the names of these entities might change as we discover the > > implementation details, > > > > and > > > > 2/ Sme of thes structures (thread, KSE, KSEGRP, proc) might become > > more or less 'virtual' when we try implement them. > > > > Well that time has happenned. > > I'm kind of concerned that KSE has turned into something much more > complicated than it should ever have been (and already was at the > beginning). I understand scheduler activations, but as far as I can > tell we're no longer even close to the original KSE design because of > various incremental changes in direction, and there's no coherent > documentation for the current state of affairs (or explanations for > the various design decisions in departure from the original design). > > I guess I don't actually have anything constructive to say, but I > really hope this whole KSE thing isn't going to turn out to be an > over-designed way of not-really-solving non-problems. > Hmm well it's an interesting point of view, but the implementation is actually very close to what was proposed 2 years ago. If you think it's complicated you are misundertanding something.. it's amazingly simple, it's just alot of owrk getting there from a non-threading start. > Kris > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message