Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1103462pxb; Thu, 4 Mar 2021 03:26:35 -0800 (PST) X-Google-Smtp-Source: ABdhPJxcVyQIp++3JmWiwQAx2uNmv8CVPehgyMehyWPQM866ycwcetyJOuGKolYuq69vk56lqYI3 X-Received: by 2002:a17:907:766f:: with SMTP id kk15mr3798086ejc.24.1614857195298; Thu, 04 Mar 2021 03:26:35 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1614857195; cv=none; d=google.com; s=arc-20160816; b=ZzeQt32wUe/I17P02fyvzh2VJTL4TlpWFMF+mh+LpADNz4E5ppTCQUocTfjvfbc5v6 pBeyXQDSdfudJKy0UzPN5929umgF97B4Vz2S9CfLYBAbI4CL84LpSJ4xqKVeiTAcodWF Pe8Vksb/S2h1tHJdco073+g1f8glJheg+QPm36jjzQ7TakNJclT4QgfOUz8Zn9ogO8X9 D0Nqym2uCCYq9SvfRea8CSf4O8Sj/FaJoXLArFz6Jp1kXAr4gdmC/edDUSvZ/s+KfIEo mvRFlTPZ9NwhFZrtr7TFDmHxC/LgLDbvSIr0eF8YJ32liVND7HlgiAZ206nEvHNuwosq XDPw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=q4X3ZCp5JHq5alzn73I9Eo1eMrrr+AlYTAI1p1RXd4E=; b=RPZlsuRH3025Qo+BZCP3nvCyx6Ja4bx/aq3ILtm/6N2NsOEIJTpyn5DVCjO/lEPfgj Om+WaBNC6+mWX3/b4VMpiqY7hFnIFkjR/cOPxGA6ucSR9SehjeesgyyTYC6+YiFPOoov ByFcYk5zIDWdt/VWf8nCqLszWgBlYWJwUuX2aYH9igk6op6JKow5v3HDdqYnMsnzAzz5 ezKkAL8QM9H8wraE1ALYM87gsizYXJUsfgUYlkc0ylRhPrCEPzmEneZe/PKgTtNN6Wn/ 2+GfmX3ZU3kKfp8PGqAPlOsiDcjU157OTCUkRSH3wjxaq+/fXzazzT7NJB5lgbSwqoPf PPSw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id de4si11927645ejc.539.2021.03.04.03.26.12; Thu, 04 Mar 2021 03:26:35 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1577914AbhCCSBe (ORCPT + 99 others); Wed, 3 Mar 2021 13:01:34 -0500 Received: from mail.kernel.org ([198.145.29.99]:39964 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1444019AbhCCPA4 (ORCPT ); Wed, 3 Mar 2021 10:00:56 -0500 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1AF5864E02; Wed, 3 Mar 2021 15:00:14 +0000 (UTC) Date: Wed, 3 Mar 2021 10:00:12 -0500 From: Steven Rostedt To: Petr Mladek Cc: Stephen Boyd , Andrew Morton , linux-kernel@vger.kernel.org, Jiri Olsa , Alexei Starovoitov , Jessica Yu , Evan Green , Hsin-Yi Wang , Sergey Senozhatsky , Andy Shevchenko , Rasmus Villemoes , linux-doc@vger.kernel.org Subject: Re: [PATCH 5/7] printk: Make %pS and friends print module build ID Message-ID: <20210303100012.0e6e4de3@gandalf.local.home> In-Reply-To: References: <20210301174749.1269154-1-swboyd@chromium.org> <20210301174749.1269154-6-swboyd@chromium.org> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 3 Mar 2021 11:25:58 +0100 Petr Mladek wrote: > Alternative solution would be to minimize the information, for > example, by printing only the modules that appear in the backtrace. > But this might be complicated to implement. It could be a list after the backtrace perhaps, and not part of the "modules linked in"? But then you need a generic way of capturing those modules in the backtrace that works for every architecture. Honestly, I don't even know what a buildid is, and it is totally useless information for myself. What exactly is it used for? -- Steve