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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 89F6AC433F5 for ; Wed, 23 Mar 2022 20:16:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344593AbiCWURv (ORCPT ); Wed, 23 Mar 2022 16:17:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235510AbiCWURt (ORCPT ); Wed, 23 Mar 2022 16:17:49 -0400 X-Greylist: delayed 1423 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 23 Mar 2022 13:16:19 PDT Received: from gateway24.websitewelcome.com (gateway24.websitewelcome.com [192.185.51.110]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9EDEE89CEE for ; Wed, 23 Mar 2022 13:16:19 -0700 (PDT) Received: from cm10.websitewelcome.com (cm10.websitewelcome.com [100.42.49.4]) by gateway24.websitewelcome.com (Postfix) with ESMTP id E46C478F39 for ; Wed, 23 Mar 2022 14:52:35 -0500 (CDT) Received: from gator4132.hostgator.com ([192.185.4.144]) by cmsmtp with SMTP id X723nmdIGRnrrX723n6m9I; Wed, 23 Mar 2022 14:52:35 -0500 X-Authority-Reason: nr=8 Received: from host-79-43-204-123.retail.telecomitalia.it ([79.43.204.123]:49864 helo=[10.0.0.45]) by gator4132.hostgator.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1nX723-0030od-2h; Wed, 23 Mar 2022 14:52:35 -0500 Message-ID: <42ced9a2-f5ee-4793-683b-41c946835336@kernel.org> Date: Wed, 23 Mar 2022 20:52:32 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.2 Subject: Re: [GIT PULL] tracing/rtla: Updates to the RTLA tool Content-Language: en-US To: Steven Rostedt , Linus Torvalds Cc: LKML , Ingo Molnar , Andrew Morton References: <20220321103035.564a1df5@gandalf.local.home> <20220323154300.0be32927@gandalf.local.home> From: Daniel Bristot de Oliveira In-Reply-To: <20220323154300.0be32927@gandalf.local.home> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4132.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - kernel.org X-BWhitelist: no X-Source-IP: 79.43.204.123 X-Source-L: No X-Exim-ID: 1nX723-0030od-2h X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: host-79-43-204-123.retail.telecomitalia.it ([10.0.0.45]) [79.43.204.123]:49864 X-Source-Auth: kernel@bristot.me X-Email-Count: 8 X-Source-Cap: YnJpc3RvdG1lO2JyaXN0b3RtZTtnYXRvcjQxMzIuaG9zdGdhdG9yLmNvbQ== X-Local-Domain: no Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/23/22 20:43, Steven Rostedt wrote: >> That said, mentioning the perf tools, I wish the tracing tools would >> do a bit more package checking and helpful error messages too, rather >> than just fail with >> >> fatal error: tracefs.h: No such file or directory >> >> when (presumably) libtracefs and friends are needed. > Yes exactly. > > Daniel, care to update the Makefile to check for libtracefs and friends and > give a more informative message when it fails? > > You can look at the trace-cmd Makefile that does so. Working on that! -- Daniel