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[209.132.180.67]) by mx.google.com with ESMTP id c23-v6si1227771plo.80.2018.04.18.06.50.58; Wed, 18 Apr 2018 06:51:13 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753436AbeDRNt3 (ORCPT + 99 others); Wed, 18 Apr 2018 09:49:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:34428 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753071AbeDRNt1 (ORCPT ); Wed, 18 Apr 2018 09:49:27 -0400 Received: from gandalf.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (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 A574F21726; Wed, 18 Apr 2018 13:49:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A574F21726 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=rostedt@goodmis.org Date: Wed, 18 Apr 2018 09:49:24 -0400 From: Steven Rostedt To: Masami Hiramatsu Cc: Tom Zanussi , tglx@linutronix.de, namhyung@kernel.org, vedang.patel@intel.com, bigeasy@linutronix.de, joel.opensrc@gmail.com, joelaf@google.com, mathieu.desnoyers@efficios.com, baohong.liu@intel.com, rajvi.jingar@intel.com, julia@ni.com, fengguang.wu@intel.com, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: Re: [PATCH 2/6] tracing: Add trace event error log Message-ID: <20180418094924.3ad22dbf@gandalf.local.home> In-Reply-To: <20180418183434.34eb10004275c9e89a9e709c@kernel.org> References: <194bd34e689dd6df9e48855111fd6c5c66e37fc9.1523545519.git.tom.zanussi@linux.intel.com> <20180412182001.75bfb4e2@gandalf.local.home> <1523577133.11817.31.camel@tzanussi-mobl.amr.corp.intel.com> <20180413094515.19fb3691@gandalf.local.home> <1523629474.25328.14.camel@tzanussi-mobl.amr.corp.intel.com> <20180413104432.148f13dc@gandalf.local.home> <20180418183434.34eb10004275c9e89a9e709c@kernel.org> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 18 Apr 2018 18:34:34 +0900 Masami Hiramatsu wrote: > On Fri, 13 Apr 2018 10:44:32 -0400 > Steven Rostedt wrote: > > > On Fri, 13 Apr 2018 09:24:34 -0500 > > Tom Zanussi wrote: > > > > > Yeah, I agree - I'd rather get it right than get it in now. I thought > > > this made sense, and was based on input from Masami, which I may have > > > misinterpreted, but I'll wait for some more ideas about the best way to > > > do this. > > > > Too bad we are not closer to November, as this would actually be a good > > Plumbers topic. Maybe it's not that important and we should wait until > > then. I'd like to get some brain storming ideas out before we decide on > > anything, and this is something I believe is better done face to face > > than over email. > > OK, sounds good for me too :) > My point was that printk buffer is not good place for the parser error > of ftrace, nor each sub-features (like hist, trigger, probe_events etc.) > has different place to show it. I just want to unify the user experience > over the ftrace UI. I totally agree. I just want to make sure that whatever we come up with will be well thought out. Perhaps we can wait till November to talk about it. -- Steve