From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755496Ab0E1Fuu (ORCPT ); Fri, 28 May 2010 01:50:50 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:41448 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751313Ab0E1Fut (ORCPT ); Fri, 28 May 2010 01:50:49 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=rjZSzA06rKGMv8sD9LpFwnAEXbMdGT8CGc8XBbAqKj1vcBlFopKo1hjAjuWFzUXETO iP+Il8B6qXTDPZKDEYOFBRMvQSAdVx586HCBC6XRORx99cnoM0PZdsZYzlxLB4P/VzDx 6dvARIg0EI3yTzDYfw3aTgI8lS9wQ/uSKXzV8= Message-ID: <4BFF59B5.70002@gmail.com> Date: Fri, 28 May 2010 07:50:45 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; cs-CZ; rv:1.9.2.4) Gecko/20100522 SUSE/3.1rc1-2.1 Thunderbird/3.1 MIME-Version: 1.0 To: JD CC: linux-kernel@vger.kernel.org, Eric Paris , Al Viro Subject: Re: udevd high cpu hogging in kernel-2.6.34 git8 to git-13 References: <4BFF565C.3080108@gmail.com> In-Reply-To: <4BFF565C.3080108@gmail.com> X-Enigmail-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/28/2010 07:36 AM, JD wrote: > I noticed that since git8, udevd consumes from 50 to 80 percent of cpu. > The main udevd thread is niced to -4, and 6 or more child threads are > niced -2. > > So, I backpedaled to git7, which does not have this "feature" :) Is it this one again? http://lkml.org/lkml/2010/5/22/150 Could you try to revert the patch? -- js