From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C0BAC76188 for ; Fri, 19 Jul 2019 08:50:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F064F2080D for ; Fri, 19 Jul 2019 08:50:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727290AbfGSIuy (ORCPT ); Fri, 19 Jul 2019 04:50:54 -0400 Received: from smtprelay0020.hostedemail.com ([216.40.44.20]:33174 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725798AbfGSIux (ORCPT ); Fri, 19 Jul 2019 04:50:53 -0400 Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay03.hostedemail.com (Postfix) with ESMTP id 35D7E802F978; Fri, 19 Jul 2019 08:50:52 +0000 (UTC) X-Session-Marker: 6A6F6540706572636865732E636F6D X-HE-Tag: mass79_24896e85a7d44 X-Filterd-Recvd-Size: 4684 Received: from XPS-9350 (cpe-23-242-196-136.socal.res.rr.com [23.242.196.136]) (Authenticated sender: joe@perches.com) by omf03.hostedemail.com (Postfix) with ESMTPA; Fri, 19 Jul 2019 08:50:50 +0000 (UTC) Message-ID: <5a468c6cbba8ceeed6bbeb8d19ca2d46cb749a47.camel@perches.com> Subject: Re: get_maintainers.pl subsystem output From: Joe Perches To: "Duda, Sebastian" Cc: linux-kernel@vger.kernel.org, lukas.bulwahn@gmail.com, ralf.ramsauer@oth-regensburg.de, wolfgang.mauerer@oth-regensburg.de Date: Fri, 19 Jul 2019 01:50:44 -0700 In-Reply-To: <2c912379f96f502080bfcc79884cdc35@fau.de> References: <2c912379f96f502080bfcc79884cdc35@fau.de> Content-Type: text/plain; charset="ISO-8859-1" User-Agent: Evolution 3.30.5-0ubuntu0.18.10.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2019-07-19 at 07:35 +0000, Duda, Sebastian wrote: > Hi Joe, > > I'm conducting a large-scale patch analysis of the LKML with 1.8 million > patch emails. I'm using the `get_maintainer.pl` script to know which > patch is related to which subsystem. The MAINTAINERS file is updated frequently. Are you also using the MAINTAINERS file used at the time each patch was submitted? > I ran into two issues while using the script: > > 1. When I use the script the trivial way > > $ scripts/get_maintainer.pl --subsystem --status --separator , > drivers/media/i2c/adv748x/ > Kieran Bingham (maintainer:ANALOG > DEVICES INC ADV748X DRIVER),Mauro Carvalho Chehab > (maintainer:MEDIA INPUT INFRASTRUCTURE > (V4L/DVB)),linux-media@vger.kernel.org (open list:ANALOG DEVICES INC > ADV748X DRIVER),linux-kernel@vger.kernel.org (open list) > Maintained,Buried alive in reporters > ANALOG DEVICES INC ADV748X DRIVER,MEDIA INPUT INFRASTRUCTURE > (V4L/DVB),THE REST > > the output is hard to parse because the status `Maintained` is displayed > only once but related to two subsystems. > > I'd prefer a more table like representation, like this: > > Kieran Bingham (maintainer:ANALOG > DEVICES INC ADV748X DRIVER),linux-media@vger.kernel.org (open > list:ANALOG DEVICES INC ADV748X DRIVER),ANALOG DEVICES INC ADV748X > DRIVER,Maintained > Mauro Carvalho Chehab (maintainer:MEDIA INPUT > INFRASTRUCTURE (V4L/DVB)),MEDIA INPUT INFRASTRUCTURE > (V4L/DVB),Maintained > linux-kernel@vger.kernel.org (open list),THE REST,Buried alive in > reporters > > > 2. I want to analyze multiple patches, currently I am calling the script > once per patch. When calling the script with multiple files the files > output is merged > > $ scripts/get_maintainer.pl --subsystem --status --separator ',' > drivers/media/i2c/adv748x/ include/uapi/linux/wmi.h > Kieran Bingham (maintainer:ANALOG > DEVICES INC ADV748X DRIVER),Mauro Carvalho Chehab > (maintainer:MEDIA INPUT INFRASTRUCTURE > (V4L/DVB)),linux-media@vger.kernel.org (open list:ANALOG DEVICES INC > ADV748X DRIVER),linux-kernel@vger.kernel.org (open > list),platform-driver-x86@vger.kernel.org (open list:ACPI WMI DRIVER) > Maintained,Buried alive in reporters,Orphan > ANALOG DEVICES INC ADV748X DRIVER,MEDIA INPUT INFRASTRUCTURE > (V4L/DVB),THE REST,ACPI WMI DRIVER > > I'd like to run the script with all files but separated output, like > this: > > $ scripts/get_maintainer.pl --subsystem --status --separator ',' > --separate-files drivers/media/i2c/adv748x/ include/uapi/linux/wmi.h > Kieran Bingham (maintainer:ANALOG > DEVICES INC ADV748X DRIVER),Mauro Carvalho Chehab > (maintainer:MEDIA INPUT INFRASTRUCTURE > (V4L/DVB)),linux-media@vger.kernel.org (open list:ANALOG DEVICES INC > ADV748X DRIVER),linux-kernel@vger.kernel.org (open list) > Maintained,Buried alive in reporters > ANALOG DEVICES INC ADV748X DRIVER,MEDIA INPUT INFRASTRUCTURE > (V4L/DVB),THE REST > > platform-driver-x86@vger.kernel.org (open list:ACPI WMI > DRIVER),linux-kernel@vger.kernel.org (open list) > Orphan,Buried alive in reporters > ACPI WMI DRIVER,THE REST > > > My Questions are: > 1. How can I make get_maintainer's output to be more table-like? I suggest adding --nogit --nogit-fallback --roles --norolestats > 2. How can I make get_maintainer.pl to separate each file's output? Run the script with multiple invocations. once for each file modified by the patch.