Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753322AbWLWAjD (ORCPT ); Fri, 22 Dec 2006 19:39:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753333AbWLWAjD (ORCPT ); Fri, 22 Dec 2006 19:39:03 -0500 Received: from gateway-1237.mvista.com ([63.81.120.158]:12457 "EHLO gateway-1237.mvista.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753322AbWLWAjC (ORCPT ); Fri, 22 Dec 2006 19:39:02 -0500 Subject: Re: 2.6.19-rt14 slowdown compared to 2.6.19 From: Daniel Walker To: "Chen, Tim C" Cc: mingo@elte.hu, linux-kernel@vger.kernel.org, "Siddha, Suresh B" In-Reply-To: <9D2C22909C6E774EBFB8B5583AE5291C0199950A@fmsmsx414.amr.corp.intel.com> References: <9D2C22909C6E774EBFB8B5583AE5291C0199950A@fmsmsx414.amr.corp.intel.com> Content-Type: text/plain Date: Fri, 22 Dec 2006 16:38:22 -0800 Message-Id: <1166834302.14081.1.camel@imap.mvista.com> Mime-Version: 1.0 X-Mailer: Evolution 2.6.3 (2.6.3-1.fc5.5) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 537 Lines: 15 On Fri, 2006-12-22 at 13:39 -0800, Chen, Tim C wrote: > Wonder if you have any suggestions on what could cause the slowdown. > We've tried disabling CONFIG_NO_HZ and it didn't help much. Did you compare PREEMPT_RT with vanilla PREEMPT ? Or one version of PREEMPT_RT vs. another ? Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/