From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938974AbcHJS5s (ORCPT ); Wed, 10 Aug 2016 14:57:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43228 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938915AbcHJS5H (ORCPT ); Wed, 10 Aug 2016 14:57:07 -0400 Subject: Re: [RFC][PATCH 4/3] tracing: Add NMI tracing in hwlat detector To: Steven Rostedt , Sebastian Andrzej Siewior References: <20160804145708.158968389@goodmis.org> <20160804125618.6db9b5b3@gandalf.local.home> <20160804131645.1ba3244a@gandalf.local.home> <20160805143555.GB21312@linutronix.de> <20160805105207.16e26a41@gandalf.local.home> Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Ingo Molnar , Andrew Morton , Clark Williams , Thomas Gleixner , Daniel Wagner , Carsten Emde From: Jon Masters Message-ID: Date: Wed, 10 Aug 2016 10:10:05 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 In-Reply-To: <20160805105207.16e26a41@gandalf.local.home> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 10 Aug 2016 14:10:17 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/05/2016 10:52 AM, Steven Rostedt wrote: > Ah, this is when we have GENERIC_SCHED_CLOCK, which would break tracing > if any arch that has this also has NMIs. Probably need to look at arm64. Today, we don't have NMIs on arm64 that are supported in Linux. Jon. -- Computer Architect | Sent from my Fedora powered laptop