From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754658AbYE2BId (ORCPT ); Wed, 28 May 2008 21:08:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752669AbYE2BIX (ORCPT ); Wed, 28 May 2008 21:08:23 -0400 Received: from mx1.redhat.com ([66.187.233.31]:52441 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752146AbYE2BIX (ORCPT ); Wed, 28 May 2008 21:08:23 -0400 Date: Wed, 28 May 2008 21:00:55 -0400 From: Dave Jones To: Greg KH Cc: "Luck, Tony" , James Bottomley , ksummit-2008-discuss@lists.linux-foundation.org, Pekka Enberg , David Woodhouse , linux-kernel Subject: Re: [Ksummit-2008-discuss] Fixing the Kernel Janitors project Message-ID: <20080529010055.GA31952@redhat.com> Mail-Followup-To: Dave Jones , Greg KH , "Luck, Tony" , James Bottomley , ksummit-2008-discuss@lists.linux-foundation.org, Pekka Enberg , David Woodhouse , linux-kernel References: <20080528225136.GA29014@kroah.com> <1FE6DD409037234FAB833C420AA843EC016FFF69@orsmsx424.amr.corp.intel.com> <20080529003657.GA17505@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080529003657.GA17505@kroah.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 28, 2008 at 05:36:57PM -0700, Greg Kroah-Hartman wrote: > On Wed, May 28, 2008 at 04:23:52PM -0700, Luck, Tony wrote: > > > My raw numbers show that the number of individual kernel contributors > > > continues to increase with every release, so this might not be as much > > > of a problem as it's made out to be. > > > > That depends on whether we are gradually adding to the pool > > of developers, or seeing an increasing stream of newcomers > > who supply a patch or two before disappearing again. > > > > If you look at the list of contributors some old release for > > which we have good data (say 2.6.16). How many of those people > > contributed to each of the following releases? Does the > > decay curve look steeper or more gentle if you start from > > a more recent release? > > I don't know, I haven't tracked the people individually that way, only > looked at the basic numbers of developers per release. Are you just doing something like git log v2.6.16..v2.6.17 | grep ^Author: | sort -u| wc -l or do you have some script that maps addresses to people ? One person may appear once in 2.6.20, and then a half dozen times in 2.6.21 if they use multiple email addresses for example. (Also, typos, and people using full hostnames in their sign-off's instead of email addresses skew this somewhat). I'm guessing the latter, due to the graph thing you did. Pointers? Dave -- http://www.codemonkey.org.uk