From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261822AbVB1Xqs (ORCPT ); Mon, 28 Feb 2005 18:46:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261823AbVB1Xqs (ORCPT ); Mon, 28 Feb 2005 18:46:48 -0500 Received: from smtp202.mail.sc5.yahoo.com ([216.136.129.92]:63107 "HELO smtp202.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S261822AbVB1Xqq (ORCPT ); Mon, 28 Feb 2005 18:46:46 -0500 Message-ID: <4223AD5F.1090500@yahoo.com.au> Date: Tue, 01 Mar 2005 10:46:39 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.5) Gecko/20050105 Debian/1.7.5-1 X-Accept-Language: en MIME-Version: 1.0 To: Christian Schmid CC: Rik van Riel , linux-kernel@vger.kernel.org Subject: Re: Slowdown on high-load machines with 3000 sockets References: <4221FB13.6090908@rapidforum.com> <422239A8.1090503@rapidforum.com> <42225B34.7020104@rapidforum.com> <42226607.6020803@rapidforum.com> <4222A887.80301@yahoo.com.au> <4223696C.8060407@rapidforum.com> In-Reply-To: <4223696C.8060407@rapidforum.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Christian Schmid wrote: > This issue has been tracked down more. This bug does NOT appear if I > disable preemtive kernel. > Maybe this helps. > Yes, it may help - can you boot with profile=schedule and get the results for say, a 30 second period while the application is experiencing problems? So: start application wait till it hits slowdown readprofile -r ; sleep 30 ; readprofile > schedprof.out and send schedprof.out, please? Thanks, Nick