From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265835AbUAKJwZ (ORCPT ); Sun, 11 Jan 2004 04:52:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265836AbUAKJwZ (ORCPT ); Sun, 11 Jan 2004 04:52:25 -0500 Received: from node-d-1fcf.a2000.nl ([62.195.31.207]:38528 "EHLO laptop.fenrus.com") by vger.kernel.org with ESMTP id S265835AbUAKJwR (ORCPT ); Sun, 11 Jan 2004 04:52:17 -0500 Subject: Re: 2.6.1 and irq balancing From: Arjan van de Ven Reply-To: arjanv@redhat.com To: Nick Piggin Cc: Ed Tomlinson , linux-kernel@vger.kernel.org, Ethan Weinstein In-Reply-To: <4000C544.1040301@cyberone.com.au> References: <40008745.4070109@stinkfoot.org> <200401102139.09883.edt@aei.ca> <4000C544.1040301@cyberone.com.au> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-suq98Fk1xB7eNwXQN0Tf" Organization: Red Hat, Inc. Message-Id: <1073814722.4431.7.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 (1.4.5-7) Date: Sun, 11 Jan 2004 10:52:03 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-suq98Fk1xB7eNwXQN0Tf Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2004-01-11 at 04:38, Nick Piggin wrote: > Ed Tomlinson wrote: >=20 > >Hi, > > > >What is the load on the box when this is happening? If its low think > >this is optimal (for cache reasons). > > =20 > > >=20 > I'd rather see different interrupt sources run on different CPUs > initially, which would help fairness a little bit, and should be > more optimal with big interrupt loads. >=20 >=20 > 0: xxx1 0 0 0 > 1: 0 xxx2 0 0 > 2: 0 0 xxx3 0 > 3: 0 0 0 xxx4 >=20 > This would delay the need for interrupt balancing in the case where > 2 or more interrupts are heavily used. this is what irqbalanced will do (but more inteligent than just using the irq number as round robin seed). --=-suq98Fk1xB7eNwXQN0Tf Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (GNU/Linux) iD8DBQBAARzCxULwo51rQBIRAqr7AJoDcSG9NZR2EOzkQWY3TAMilpcbhQCeInk5 M+m4wBbON3NxBOs09zEEK2s= =hoYt -----END PGP SIGNATURE----- --=-suq98Fk1xB7eNwXQN0Tf--