From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964798AbcHDPak (ORCPT ); Thu, 4 Aug 2016 11:30:40 -0400 Received: from smtprelay0211.hostedemail.com ([216.40.44.211]:41133 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758687AbcHDPai (ORCPT ); Thu, 4 Aug 2016 11:30:38 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::::::,RULES_HIT:41:355:379:541:599:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1537:1560:1593:1594:1711:1714:1730:1747:1777:1792:2393:2559:2562:3138:3139:3140:3141:3142:3622:3865:3866:3867:3868:3874:4250:5007:6261:7875:7903:10004:10400:10848:11232:11658:11914:12517:12519:12663:13069:13161:13180:13229:13311:13357:13439:14659:21080:30012:30054,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:1,LUA_SUMMARY:none X-HE-Tag: chess20_5c5fd36215a16 X-Filterd-Recvd-Size: 1310 Date: Thu, 4 Aug 2016 11:30:33 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Clark Williams , Thomas Gleixner , Jon Masters , Daniel Wagner , Carsten Emde , Sebastian Andrzej Siewior Subject: Re: [RFC][PATCH 0/3] tracing: Add Hardware Latency detector tracer Message-ID: <20160804113033.78132a93@gandalf.local.home> In-Reply-To: <20160804145708.158968389@goodmis.org> References: <20160804145708.158968389@goodmis.org> X-Mailer: Claws Mail 3.13.2 (GTK+ 2.24.30; 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Note, I'm currently working on adding code to detect NMIs to this as well. And perhaps even tracing SMI counters. Just to show what caused the latency, as latency isn't measured by the counters (that I know of). -- Steve