From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755885Ab2DNT65 (ORCPT ); Sat, 14 Apr 2012 15:58:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46224 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753859Ab2DNT64 (ORCPT ); Sat, 14 Apr 2012 15:58:56 -0400 Message-ID: <4F89D6F1.8020604@redhat.com> Date: Sat, 14 Apr 2012 15:58:41 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1 MIME-Version: 1.0 To: werner CC: David Rientjes , Colin Cross , Linus Torvalds , Andrew Morton , Hugh Dickins , linux-kernel@vger.kernel.org, Oleg Nesterov , Rabin Vincent , Christian Bejram , "Paul E. McKenney" , Anton Vorontsov , Greg Kroah-Hartman , stable@vger.kernel.org Subject: Re: v3.4-rc2 out-of-memory problems (was Re: 3.4-rc1 sticks-and-crashs) References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/14/2012 03:38 PM, werner wrote: > Perhaps someone could check this > > Ocasionally it still happens that the computer slows down very, during > appr. 1 minute (but it dont crash, nor is nothing visible in syslog). > > I think this wasn't before approx. the 3.2 kernel, at least I didn't > perceive it, but this happens at 3.3 and 3.4-rc2-inclusive all patchs. > > Below, ps alx and top i printed in a file at an ocasion as this happened > I observed that then always kmemleak is almost at the beginning of top I have a feeling you might enjoy things like the sysprof tool, which can show you not only which process is using CPU time, but also where it is spent. -- All rights reversed