Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757008Ab3GLGwa (ORCPT ); Fri, 12 Jul 2013 02:52:30 -0400 Received: from moutng.kundenserver.de ([212.227.17.9]:59323 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756469Ab3GLGw3 convert rfc822-to-8bit (ORCPT ); Fri, 12 Jul 2013 02:52:29 -0400 Date: Fri, 12 Jul 2013 08:52:27 +0200 From: Heinz Diehl To: linux-kernel@vger.kernel.org Subject: Re: 3.10.0: Full dynticks = high load Message-ID: <20130712065227.GC1985@fancy-poultry.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: Organization: private site OpenPGP: id=60F4A92C; url=http://www.fritha.org/htd.asc User-Agent: Mutt/1.5.21+155 (d3096e8796e7) (2012-12-30) Content-Transfer-Encoding: 8BIT X-Provags-ID: V02:K0:BCG2hjdB4ErnEFvvTys6/Sio5HEdW/coye1LZd1GRHM PTFIYcxZvauuIBDSUASkSf4qPTDZ6iGO2QJfWlYtZap3HoZuH2 81W+2JxFo13jI4Nh0uTTjrg8ZB45XCU8xPrGox/xigqcTST/Lq +XnwmB1/fPSv9flTvlI4WFIsOozLzJr8Pq4Byunmw7m+MEDX84 tXSq+gOMIK9Lrnrt0er+/uHa2sde7wMLyiYVxDGtnVrYUTNx3V KKYBtKUk9BCV99avcOvltnOMzZTjcTdh0eFdtVnZCOy8Y9m2l3 LbgFDlp6sn6LqnIY9JGhSBz/FuhdM4aQg8pFGq9rw2+dFK22iQ iJ7zSvVJEEbHeX3/ZBS6GVwY3rl0xNl4wPqjCmpEU Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 693 Lines: 18 On 11.07.2013, D?niel Fraga wrote: > I upgraded to kernel 3.10.0 and decided to try the new "Full > dynticks system (tickless)" option, but now the system load is always > at 1 or above. > > Using the previous "Idle dynticks system (tickless idle)" solves > the problem, so it seems the new Full dynticks code is causing this. > This describes exactly what I have encountered, and "tickless idle" fixed it for me, too. So I'll second that. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/