From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265207AbTLKRA0 (ORCPT ); Thu, 11 Dec 2003 12:00:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265211AbTLKRA0 (ORCPT ); Thu, 11 Dec 2003 12:00:26 -0500 Received: from node-d-1fcf.a2000.nl ([62.195.31.207]:57991 "EHLO laptop.fenrus.com") by vger.kernel.org with ESMTP id S265207AbTLKRAU (ORCPT ); Thu, 11 Dec 2003 12:00:20 -0500 Subject: Re: [2.4][PATCH] Xeon HT - SMT+SMP interrupt balancing From: Arjan van de Ven Reply-To: arjanv@redhat.com To: Ken Cc: linux-kernel@vger.kernel.org In-Reply-To: <3FD89EF5.30101@nova.org> References: <3FD89EF5.30101@nova.org> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-uMZt8P3zJSZ2Pz0AUUtt" Organization: Red Hat, Inc. Message-Id: <1071161984.5219.4.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 (1.4.5-7) Date: Thu, 11 Dec 2003 17:59:44 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-uMZt8P3zJSZ2Pz0AUUtt Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2003-12-11 at 17:44, Ken wrote: > I have attempted user space alternatives -- irq_balance-0.06 and=20 > smp_affinity via sysctrl. The former seems to "blindly" affine an IRQ=20 > to a single logical CPU, which in my case, puts the timer and eth3 on=20 > CPU0 and it gets "overloaded" while the others are mostly idle. 1) This got fixed in version 0.07 2) You are talking a whopping 100 irq's per second, which is like about no interrupts... I doubt you can find a scenario where 100 irq's per second matter.... ;) --=-uMZt8P3zJSZ2Pz0AUUtt Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQA/2KJ/xULwo51rQBIRAnJFAKCIJDC0j+PoBmp2784lqD/7KeubcgCeKUSo a3qDYXB0CQ/Mk3hc91Zu0Rk= =S/1S -----END PGP SIGNATURE----- --=-uMZt8P3zJSZ2Pz0AUUtt--