From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751807AbZH0Ijg (ORCPT ); Thu, 27 Aug 2009 04:39:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751656AbZH0Ijf (ORCPT ); Thu, 27 Aug 2009 04:39:35 -0400 Received: from smtp5-g21.free.fr ([212.27.42.5]:37699 "EHLO smtp5-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751604AbZH0Ijf (ORCPT ); Thu, 27 Aug 2009 04:39:35 -0400 Message-ID: <4A96463E.5080002@corp.free.fr> Date: Thu, 27 Aug 2009 10:39:26 +0200 From: Yohan User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: VM issue causing high CPU loads References: <4A92A25A.4050608@yohan.staff.proxad.net> <20090824162155.ce323f08.akpm@linux-foundation.org> In-Reply-To: <20090824162155.ce323f08.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > On Mon, 24 Aug 2009 16:23:22 +0200 > Yohan wrote: > >> Hi, >> >> Is someone have an idea for that : >> >> http://bugzilla.kernel.org/show_bug.cgi?id=14024 >> > Please generate a kernel profile to work out where all the CPU tie is > being spent. Documentation/basic_profiling.txt is a starting point. > I post some new reports, it seems that the problem is in rpcauth_lookup_credcache ... for information, this is an imap mail server that mounts ~10 netapp over ~300 mountpoints.. Thanks Yohan