From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759915Ab2INSvJ (ORCPT ); Fri, 14 Sep 2012 14:51:09 -0400 Received: from mail.skyhub.de ([78.46.96.112]:38463 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756939Ab2INSvF (ORCPT ); Fri, 14 Sep 2012 14:51:05 -0400 Date: Fri, 14 Sep 2012 20:51:07 +0200 From: Borislav Petkov To: Nikolay Ulyanitsky , linux-kernel@vger.kernel.org, Andreas Herrmann Subject: Re: 20% performance drop on PostgreSQL 9.2 from kernel 3.5.3 to 3.6-rc5 on AMD chipsets Message-ID: <20120914185107.GB30757@x1.osrc.amd.com> Mail-Followup-To: Borislav Petkov , Nikolay Ulyanitsky , linux-kernel@vger.kernel.org, Andreas Herrmann References: <20120914184032.GA30753@x1.osrc.amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20120914184032.GA30753@x1.osrc.amd.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 14, 2012 at 08:40:32PM +0200, Borislav Petkov wrote: > I'll try a coarse bisection of the -rcs first, to see where the > regression appeared. Ok, 3.6-rc1 already shows the regression so I have to do the normal bisection now to see which patch caused it. Stay tuned. -- Regards/Gruss, Boris.