Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269945AbUJNBiM (ORCPT ); Wed, 13 Oct 2004 21:38:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269947AbUJNBiL (ORCPT ); Wed, 13 Oct 2004 21:38:11 -0400 Received: from mx1.elte.hu ([157.181.1.137]:27077 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S269945AbUJNBiJ (ORCPT ); Wed, 13 Oct 2004 21:38:09 -0400 Date: Thu, 14 Oct 2004 03:36:59 +0200 From: Ingo Molnar To: Adam Heath Cc: linux-kernel@vger.kernel.org Subject: Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U0 Message-ID: <20041014013659.GA344@elte.hu> References: <20041011215909.GA20686@elte.hu> <20041012091501.GA18562@elte.hu> <20041012123318.GA2102@elte.hu> <20041012195424.GA3961@elte.hu> <20041013061518.GA1083@elte.hu> <20041014002433.GA19399@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 633 Lines: 20 * Adam Heath wrote: > Also, I noticed that the swapper/0 had a high-latency critical > section. this is normal during bootup - we spend many seconds with preemption disabled - it's fair at that stage. After it has booted up you can reset the maximum-latency searching via: echo 50 > /proc/sys/kernel/preempt_max_latency i have that line in my rc.local. Ingo - 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/