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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 85441C10F13 for ; Mon, 8 Apr 2019 14:25:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4EA402147A for ; Mon, 8 Apr 2019 14:25:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726895AbfDHOZf (ORCPT ); Mon, 8 Apr 2019 10:25:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:46050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726349AbfDHOZe (ORCPT ); Mon, 8 Apr 2019 10:25:34 -0400 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 69DBA21473; Mon, 8 Apr 2019 14:25:33 +0000 (UTC) Date: Mon, 8 Apr 2019 10:25:31 -0400 From: Steven Rostedt To: Daniel Bristot de Oliveira Cc: Thomas Gleixner , Linux Kernel Mailing List , Ingo Molnar , Peter Zijlstra , Andy Lutomirski , Clark Williams , x86@kernel.org Subject: Re: [PATCH V2 2/2] trace,x86: Add nmi to the irq_vectors class Message-ID: <20190408102531.5bd824fb@gandalf.local.home> In-Reply-To: <1da7473c-a602-9a49-35a1-6de43bb744b9@redhat.com> References: <833f2a192b491649e4d46cec51028d07c96bbf5e.1554142415.git.bristot@redhat.com> <9fc0399e-ab53-1074-623a-a826e2466277@redhat.com> <20190408094633.7ff8dbf4@gandalf.local.home> <1da7473c-a602-9a49-35a1-6de43bb744b9@redhat.com> X-Mailer: Claws Mail 3.17.3 (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 Mon, 8 Apr 2019 15:57:07 +0200 Daniel Bristot de Oliveira wrote: > > Just to remove confusion. Your example is to show that the new > > tracepoints would have shown that the NMI was long due to the printk? As > > running printk from NMI (even with the delayed output) isn't a normal > > path. > > The example is "to show that the new tracepoints would have shown that the NMI > was longer than what the existing tracepoint pointed." The example was not the > best, I agree.. but... it serves to illustrate the idea. Sure, just wanted to verify that was your intent. Thanks, -- Steve