From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756203AbXLBVQI (ORCPT ); Sun, 2 Dec 2007 16:16:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752702AbXLBVP4 (ORCPT ); Sun, 2 Dec 2007 16:15:56 -0500 Received: from lazybastard.de ([212.112.238.170]:58682 "EHLO longford.lazybastard.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751624AbXLBVP4 convert rfc822-to-8bit (ORCPT ); Sun, 2 Dec 2007 16:15:56 -0500 Date: Sun, 2 Dec 2007 22:10:26 +0100 From: =?utf-8?B?SsO2cm4=?= Engel To: Ingo Molnar Cc: =?utf-8?B?SsO2cm4=?= Engel , Mark Lord , Pavel Machek , Mark Lord , Thomas Gleixner , len.brown@intel.com, Andrew Morton , linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, rjw@sisk.pl Subject: Re: [BUG] Strange 1-second pauses during Resume-from-RAM Message-ID: <20071202211026.GB11522@lazybastard.org> References: <20071201234112.GA7209@lazybastard.org> <20071202085607.GA28966@elte.hu> <20071202113143.GA9378@lazybastard.org> <20071202135711.GA20434@elte.hu> <20071202141117.GB9516@lazybastard.org> <20071202154746.GA27069@elte.hu> <20071202195501.GB10657@lazybastard.org> <20071202200722.GA12101@elte.hu> <20071202203016.GC10657@lazybastard.org> <20071202204559.GA28550@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <20071202204559.GA28550@elte.hu> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2 December 2007 21:45:59 +0100, Ingo Molnar wrote: > > to capture that trace i did not use -rt, i just patched latest -git > with: > > http://people.redhat.com/mingo/latency-tracing-patches/latency-tracing-v2.6.24-rc3.combo.patch > > (this has your fixes included already) > > have done: > > echo 1 > /proc/sys/kernel/mcount_enabled > > and have run: > > ./trace-cmd sleep 1 > trace.txt > > http://people.redhat.com/mingo/latency-tracing-patches/trace-cmd.c > > to capture a 1 second trace of what the system is doing. I think your > troubles are due to running it within a qemu guest - that is not a > typical utilization so you are on unchartered waters. Maybe one more thing: can you send me the config you used for the setup above? I'd like to know whether qemu or my config is to blame. Jörn -- Eighty percent of success is showing up. -- Woody Allen