From owner-freebsd-stable@FreeBSD.ORG Wed Apr 12 04:03:27 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4716216A402 for ; Wed, 12 Apr 2006 04:03:27 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 068BE43D46 for ; Wed, 12 Apr 2006 04:03:27 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id DED0F1A4DFB; Tue, 11 Apr 2006 21:03:26 -0700 (PDT) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 469F951F4D; Wed, 12 Apr 2006 00:03:26 -0400 (EDT) Date: Wed, 12 Apr 2006 00:03:26 -0400 From: Kris Kennaway To: "David E. Cross" Message-ID: <20060412040326.GA94545@xor.obsecurity.org> References: <1144795412.81364.18.camel@localhost> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="PNTmBPCT7hxwcZjr" Content-Disposition: inline In-Reply-To: <1144795412.81364.18.camel@localhost> User-Agent: Mutt/1.4.2.1i Cc: freebsd-stable@freebsd.org Subject: Re: swap performance under 6.1 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Apr 2006 04:03:27 -0000 --PNTmBPCT7hxwcZjr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Apr 11, 2006 at 10:43:32PM +0000, David E. Cross wrote: > I saw under http://www.freebsd.org/releases/6.1R/todo.html that swap > performance under 6.x is slower then 4.X, and this is listed as "not > done". >=20 > I noticed that 6.1 seemed to be a dog, but 6.0 I thought was better. As > a test I installed 6.0 and 6.1 in parallel on my laptop with identical > ports trees (and packages) and 6.0 does feel a lot more responisve to > swapping; I would be eager to help track this down if someone could give > me some pointers. If I have to _guess_ as to a problem it would seem > like some of the scheduling priorities changed. (this is with GENERIC > under 6.0 and 6.1, this is with 6.1-PRERELEASE from April 5; I can CVSUP > to the latest if people think things have changed.) I didn't think this was a 6.1 regression compared to 6.0, but 6.x compared to 4.x. It would be good to try and quantify any performance differences here - so far it's just a bunch of people's subjective opinions (including mine) after upgrading from 4.x. Kris --PNTmBPCT7hxwcZjr Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEPHwNWry0BWjoQKURAozMAKC4vOPs90zCpMAJV7rlj59R5k6+3QCfZ60H Z2c83lyZHYjAjKiz3ZwDDsk= =H74H -----END PGP SIGNATURE----- --PNTmBPCT7hxwcZjr--