From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762139AbcALKLR (ORCPT ); Tue, 12 Jan 2016 05:11:17 -0500 Received: from mail-wm0-f67.google.com ([74.125.82.67]:35697 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762005AbcALKLN (ORCPT ); Tue, 12 Jan 2016 05:11:13 -0500 Date: Tue, 12 Jan 2016 11:11:09 +0100 From: Ingo Molnar To: Peter Zijlstra Cc: alexander.shishkin@linux.intel.com, eranian@google.com, linux-kernel@vger.kernel.org, vince@deater.net, dvyukov@google.com, andi@firstfloor.org, jolsa@redhat.com, Thomas Gleixner , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: Re: [RFC][PATCH 00/12] various perf fixes Message-ID: <20160112101109.GC20997@gmail.com> References: <20160111162458.427203780@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160111162458.427203780@infradead.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra wrote: > Hi, > > I've been hunting perf bugs for the past few weeks. This resulted in this pile > of patches, that mostly seems to work -- I still get an occasional fail so > something is still off. > > But I've been sitting on this for far too long, so here goes. > > (I've not at all tested perf-cgroup) > > The code compiles in between patches, but I've not bothered trying to run/test > any intermediate stage. There's just too many inter-related fail. > > Alexander, Stephane, could you guys please have a hard look at this? > > Andi, Dmitry, patch 10 should explain the getting stuck in > perf_install_in_context() forever thing you both have observed. Btw., if there's no test failures I plan to apply and push this to Linus fairly soon, so guys please give it all the review and testing you can. Thanks, Ingo