Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161877AbWKJRO3 (ORCPT ); Fri, 10 Nov 2006 12:14:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161878AbWKJRO3 (ORCPT ); Fri, 10 Nov 2006 12:14:29 -0500 Received: from mx1.redhat.com ([66.187.233.31]:41180 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1161877AbWKJRO2 (ORCPT ); Fri, 10 Nov 2006 12:14:28 -0500 Message-ID: <4554B36E.9030006@sandeen.net> Date: Fri, 10 Nov 2006 11:14:22 -0600 From: Eric Sandeen User-Agent: Thunderbird 1.5.0.8 (X11/20061107) MIME-Version: 1.0 To: "Igor A. Valcov" CC: linux-kernel@vger.kernel.org, xfs@oss.sgi.com Subject: Re: XFS filesystem performance drop in kernels 2.6.16+ References: <4553F3C6.2030807@sandeen.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 744 Lines: 17 Igor A. Valcov wrote: > Below is a simplified version of the test program, and results of > testing different kernels/filesystems/mount options. The results are a > little different from the ones described in the initial post (this > time performance decreased "only" 2 times), but the general tendency > is clearly the same. I imagine that I know the answer, but to be sure you might put some time checks into your test app to see -which- portion of the test is taking the bulk of the time. -Eric - 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/