Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269622AbUICLeL (ORCPT ); Fri, 3 Sep 2004 07:34:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269626AbUICLeK (ORCPT ); Fri, 3 Sep 2004 07:34:10 -0400 Received: from pD9E0E92F.dip.t-dialin.net ([217.224.233.47]:34696 "EHLO undata.org") by vger.kernel.org with ESMTP id S269622AbUICLeA (ORCPT ); Fri, 3 Sep 2004 07:34:00 -0400 Subject: Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-R1 From: Thomas Charbonnel To: Ingo Molnar Cc: Lee Revell , Free Ekanayaka , Eric St-Laurent , linux-kernel , "K.R. Foley" , Felipe Alfaro Solana , Daniel Schmitt , Mark_H_Johnson@raytheon.com, "P.O. Gaillard" , nando@ccrma.stanford.edu, luke@audioslack.com, free78@tin.it In-Reply-To: <20040903092547.GA18594@elte.hu> References: <20040902221402.GA29434@elte.hu> <1094171082.19760.7.camel@krustophenia.net> <1094181447.4815.6.camel@orbiter> <1094192788.19760.47.camel@krustophenia.net> <20040903063658.GA11801@elte.hu> <1094194157.19760.71.camel@krustophenia.net> <20040903070500.GB13100@elte.hu> <1094197233.19760.115.camel@krustophenia.net> <87acw7bxkh.fsf@agnula.org> <1094198755.19760.133.camel@krustophenia.net> <20040903092547.GA18594@elte.hu> Content-Type: text/plain Message-Id: <1094211218.5453.3.camel@localhost> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 03 Sep 2004 13:33:38 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1730 Lines: 43 Ingo Molnar wrote : > Florian Schmidt reported a minor bug that prevents a successful build if > !CONFIG_LATENCY_TRACE - i've uploaded -R1 that fixes this: > > http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc1-bk4-R1 > I still get > 170 us latency from rtl8139 : http://www.undata.org/~thomas/R1_rtl8139.trace And again this one : preemption latency trace v1.0.5 on 2.6.9-rc1-VP-R1 -------------------------------------------------- latency: 597 us, entries: 12 (12) ----------------- | task: swapper/0, uid:0 nice:0 policy:0 rt_prio:0 ----------------- => started at: smp_apic_timer_interrupt+0x32/0xd0 => ended at: smp_apic_timer_interrupt+0x86/0xd0 =======> 00010000 0.000ms (+0.000ms): smp_apic_timer_interrupt (apic_timer_interrupt) 00010000 0.000ms (+0.000ms): profile_tick (smp_apic_timer_interrupt) 00010000 0.000ms (+0.000ms): profile_hook (profile_tick) 00010001 0.000ms (+0.595ms): notifier_call_chain (profile_hook) 00010000 0.595ms (+0.000ms): do_nmi (mcount) 00020000 0.596ms (+0.000ms): profile_tick (nmi_watchdog_tick) 00020000 0.596ms (+0.000ms): profile_hook (profile_tick) 00020001 0.597ms (+0.000ms): notifier_call_chain (profile_hook) 00020000 0.597ms (+689953.444ms): profile_hit (nmi_watchdog_tick) 00010001 689954.042ms (+1.141ms): update_process_times (do_timer) 00000001 0.597ms (+0.000ms): sub_preempt_count (smp_apic_timer_interrupt) 00000001 0.598ms (+0.000ms): update_max_trace (check_preempt_timing) Thomas - 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/