Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261273AbUJ1OM1 (ORCPT ); Thu, 28 Oct 2004 10:12:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261281AbUJ1OM0 (ORCPT ); Thu, 28 Oct 2004 10:12:26 -0400 Received: from wproxy.gmail.com ([64.233.184.203]:22306 "EHLO wproxy.gmail.com") by vger.kernel.org with ESMTP id S261273AbUJ1OKa (ORCPT ); Thu, 28 Oct 2004 10:10:30 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=ChhDUg+mA2Dt5ugFyoOv6kLMd0xIx8DPjn6qcsbwemXU09yri1EcIPDvoglzAO6NMi/QE4EcTFaFxeiDye5n9L2QWe7Ng7s7V08Ir8L44jcYZFwQoIxgkLrpJa6KEyVm9ocUwkMB02xivoV/3cpP6GC1hwQq100REzk1ZH+X0DE= Message-ID: <1a56ea3904102807101147e561@mail.gmail.com> Date: Thu, 28 Oct 2004 15:10:26 +0100 From: DaMouse Reply-To: DaMouse To: Ingo Molnar Subject: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.5.2 Cc: LKML In-Reply-To: <20041028135706.GA25849@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <20041027135309.GA8090@elte.hu> <20041027205126.GA25091@elte.hu> <20041027211957.GA28571@elte.hu> <33083.192.168.1.5.1098919913.squirrel@192.168.1.5> <20041028063630.GD9781@elte.hu> <20668.195.245.190.93.1098952275.squirrel@195.245.190.93> <20041028085656.GA21535@elte.hu> <26253.195.245.190.93.1098955051.squirrel@195.245.190.93> <20041028093215.GA27694@elte.hu> <20041028135706.GA25849@elte.hu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1181 Lines: 37 On Thu, 28 Oct 2004 15:57:06 +0200, Ingo Molnar wrote: > > * Ingo Molnar wrote: > > > (right now it's not possible to do wakeup-timing without > > LATENCY_TRACE, i'll fix that.) > > i've fixed this in -RT-V0.5.2. Also, the trace_enabled=4 method is > deprecated now and the new mechanism is to use: > > /proc/sys/kernel/preempt_wakeup_timing > > this flag is default-enabled. So starting at -RT-V0.5.2 to activate > wakeup timing it's enough to enable PREEMPT_TIMING and reset the max > after bootup: > > echo 0 > /proc/sys/kernel/preempt_max_latency > > this will switch back to critical-section timing/tracing: > > echo 0 > /proc/sys/kernel/preempt_wakeup_timing What kind of benchmarking tools about from the inkernel timing/tracing do you use for testing REALTIME_PREEMPT? > > Ingo -DaMouse -- I know I broke SOMETHING but its their fault for not fixing it before me - 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/