From owner-freebsd-current@FreeBSD.ORG Mon Jun 14 07:57:30 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BBD7716A4CE for ; Mon, 14 Jun 2004 07:57:30 +0000 (GMT) Received: from tigra.ip.net.ua (tigra.ip.net.ua [82.193.96.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0798D43D41 for ; Mon, 14 Jun 2004 07:57:30 +0000 (GMT) (envelope-from ru@ip.net.ua) Received: from heffalump.ip.net.ua (heffalump.ip.net.ua [82.193.96.213]) by tigra.ip.net.ua (8.12.11/8.12.11) with ESMTP id i5E82nqc057170 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 14 Jun 2004 11:02:51 +0300 (EEST) (envelope-from ru@ip.net.ua) Received: (from ru@localhost) by heffalump.ip.net.ua (8.12.11/8.12.11) id i5E7uYqG078148; Mon, 14 Jun 2004 10:56:34 +0300 (EEST) (envelope-from ru) Date: Mon, 14 Jun 2004 10:56:33 +0300 From: Ruslan Ermilov To: Luigi Rizzo Message-ID: <20040614075633.GA78116@ip.net.ua> References: <40CC97E0.5010003@alumni.rice.edu> <20040613181315.GB54104@ip.net.ua> <40CCC201.6080804@alumni.rice.edu> <20040613223658.GB55275@ip.net.ua> <20040614002429.A16826@xorpc.icir.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wRRV7LY7NUeQGEoC" Content-Disposition: inline In-Reply-To: <20040614002429.A16826@xorpc.icir.org> User-Agent: Mutt/1.5.6i X-Virus-Scanned: by amavisd-new X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) cc: current@freebsd.org Subject: Re: Device polling X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jun 2004 07:57:30 -0000 --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 14, 2004 at 12:24:29AM -0700, Luigi Rizzo wrote: > On Mon, Jun 14, 2004 at 01:36:58AM +0300, Ruslan Ermilov wrote: > > On Sun, Jun 13, 2004 at 04:07:13PM -0500, Jon Noack wrote: > > > On 06/13/04 13:13, Ruslan Ermilov wrote: > > > >On Sun, Jun 13, 2004 at 01:07:28PM -0500, Jon Noack wrote: > > > >>I just tested this on my SMP all-in-one home server (Web, Mail, > ... > > Bump HZ. If you were using the 64-bit PCI I'd say bump it > > to 5000, but since you're using 32-bit PCI, bumping it that > > high just doesn't make sense, so raise it up to 2000-3000. > >=20 > > Set kern.polling.idle_poll=3D1. > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > this is the part that cannot possibly work with SMP, > and that seems to have problem with current even on !SMP >=20 What, idle priority kthreads does work correctly? (My real experience with polling(4) is under -STABLE.) Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAzVoxqRfpzJluFF4RAgHqAJ9arK6BJGXnJ+QVGg/R5C9e4nuLLACfUi0+ fOrNmWKJFMduevm+S7JVGjE= =PkOg -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC--