From owner-freebsd-stable@FreeBSD.ORG Wed May 25 21:45:08 2005 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 0B52216A41C for ; Wed, 25 May 2005 21:45:08 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.232]) by mx1.FreeBSD.org (Postfix) with ESMTP id B0A8243D48 for ; Wed, 25 May 2005 21:45:07 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id B281451419; Wed, 25 May 2005 14:45:55 -0700 (PDT) Date: Wed, 25 May 2005 14:45:55 -0700 From: Kris Kennaway To: Bjarne Wichmann Petersen Message-ID: <20050525214555.GA41695@xor.obsecurity.org> References: <3248.172.16.0.199.1116876092.squirrel@172.16.0.1> <20050523213155.GA46718@xor.obsecurity.org> <20050523213609.GA47212@xor.obsecurity.org> <200505252342.01938.freebsd.nospam@mekanix.dk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="8t9RHnE3ZwKMSgU+" Content-Disposition: inline In-Reply-To: <200505252342.01938.freebsd.nospam@mekanix.dk> User-Agent: Mutt/1.4.2.1i Cc: Matthias Buelow , Mike Jakubik , freebsd-stable@freebsd.org, Kris Kennaway Subject: Re: Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches) 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, 25 May 2005 21:45:08 -0000 --8t9RHnE3ZwKMSgU+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 25, 2005 at 11:42:01PM +0200, Bjarne Wichmann Petersen wrote: > On Monday 23 May 2005 23:36, Kris Kennaway wrote: >=20 > > Also try defining PREEMPTION in your kernel on 5.x and above (if you > > are running i386 or amd64). There have been very occasional reports > > of panics with this option enabled (although I use it everywhere and > > have not seen problems on my heavily loaded machines), but interactive > > response should be much better. >=20 > I've had PREEMTION enabled in 5-STABLE for at couple of month and had the= =20 > opposite experience. Eg. when clicking on a file in a fileselector (I'm u= sing=20 > KDE) it would take 2-3 seconds before the file got highlighted. After=20 > disabling PREEMTION again responsetime seems to have improved. Are you running 5.4-RELEASE or later? Kris --8t9RHnE3ZwKMSgU+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFClPITWry0BWjoQKURAshJAJ92RcBIIt3TmPN7sFG1Yf4ZhtGm1gCfRFbg gzSajRak6DZjIhr1hJyryLI= =oaLr -----END PGP SIGNATURE----- --8t9RHnE3ZwKMSgU+--