From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750704AbWFEQcg (ORCPT ); Mon, 5 Jun 2006 12:32:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750710AbWFEQcg (ORCPT ); Mon, 5 Jun 2006 12:32:36 -0400 Received: from cantor.suse.de ([195.135.220.2]:37000 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1750704AbWFEQcf (ORCPT ); Mon, 5 Jun 2006 12:32:35 -0400 Date: Mon, 5 Jun 2006 09:30:01 -0700 From: Greg KH To: Fengguang Wu , Andrew Morton , linux-kernel@vger.kernel.org, Martin Peschke Subject: Re: statistics infrastructure Message-ID: <20060605163001.GC26259@kroah.com> References: <20060604135011.decdc7c9.akpm@osdl.org> <20060605010501.GA4931@mail.ustc.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060605010501.GA4931@mail.ustc.edu.cn> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 05, 2006 at 09:05:01AM +0800, Fengguang Wu wrote: > On Sun, Jun 04, 2006 at 01:50:11PM -0700, Andrew Morton wrote: > > statistics-infrastructure.patch > > > Another tough one. It offers generic intrastructure for non-task-related > > instrumentation and it would really be good if someone who has an interest > > in this for something other than the zfcp driver could stand up and say > > "this works for us". > > I'm having a try of it. Looks good for my case, except some fixable > issues/bugs. Here is a sample session for querying the readahead statistics: The last I looked at this, it seemed way too complex for what was needed. A lot of the filtering and other parsing stuff should be done by a userspace tool, not the kernel. I'll take a second look at it and see what I can comment on. But I don't think it's 2.6.18 material yet... thanks, greg k-h