Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760414Ab1D1QYx (ORCPT ); Thu, 28 Apr 2011 12:24:53 -0400 Received: from cantor.suse.de ([195.135.220.2]:33659 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757739Ab1D1QYv (ORCPT ); Thu, 28 Apr 2011 12:24:51 -0400 Message-ID: <4DB994CE.40403@suse.cz> Date: Thu, 28 Apr 2011 18:24:46 +0200 From: Michal Marek User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101206 SUSE/3.1.7 Thunderbird/3.1.7 MIME-Version: 1.0 To: Valdis.Kletnieks@vt.edu Cc: Borislav Petkov , Sam Ravnborg , linux-kbuild , LKML , Dave Jones Subject: Re: [PATCH v3.1] kbuild: implement several W= levels References: <20110422110947.GA20715@merkur.ravnborg.org> <1303494642-18594-1-git-send-email-bp@alien8.de> <20110427082555.GC5726@merkur.ravnborg.org> <20110427113513.GB18112@eferding.osrc.amd.com> <11802.1303950320@localhost> In-Reply-To: <11802.1303950320@localhost> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1274 Lines: 27 On 28.4.2011 02:25, Valdis.Kletnieks@vt.edu wrote: > On Wed, 27 Apr 2011 13:35:13 +0200, Borislav Petkov said: > >> If we do this inclusive, then W=2 dumps the, let's call it, level 1 >> _plus_ the new level 2 warnings, polluting the output with something >> I've already seen, but only partially. And then I start to think, did >> I see this one already, didn't I, which was it? By the time you enable >> W=3, the output becomes pretty useless. For example, W=3 generates 190+ >> MB logfile here only with level 3 warnings. Now imagine all 3 levels >> combined. > > If each level is averaging 10x the previous level, then all 3 levels will only be 11% > bigger, or 211MB. > > You *really* want to get *all* the warnings - quite often, you'll be looking > at a set of 15 or 20 level-3 warnings. And if you had the Level-2's in there as > well, you'd immediately realize that the single level-2 was the real root-cause > of all the cascating warnings. How about W=12 for level 1 and 2 warnings and W=123 for all levels? Michal -- 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/