From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756184Ab1HECx3 (ORCPT ); Thu, 4 Aug 2011 22:53:29 -0400 Received: from mga01.intel.com ([192.55.52.88]:43497 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755924Ab1HECx2 convert rfc822-to-8bit (ORCPT ); Thu, 4 Aug 2011 22:53:28 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,320,1309762800"; d="scan'208";a="38077252" From: "Yung, Winson W" To: "linux-kernel@vger.kernel.org" Date: Thu, 4 Aug 2011 20:53:17 -0600 Subject: Is there a way to offload everything from cpu0 to other cpus? Thread-Topic: Is there a way to offload everything from cpu0 to other cpus? Thread-Index: AcxTGtPEWzDRU2jwSE2juxtwg7sKlQ== Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, I would like to know whether it is possible to offload everything (kernel threads/user apps) to cpu1...x so that I can force cpu0 go into idle? I can affinity all the interrupt to a different cpu by playing with the /proc/irq/irqx/smp_affinity, how about everything else? /Winson.