From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933485AbcAKSpT (ORCPT ); Mon, 11 Jan 2016 13:45:19 -0500 Received: from mail-wm0-f53.google.com ([74.125.82.53]:35526 "EHLO mail-wm0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933275AbcAKSpR (ORCPT ); Mon, 11 Jan 2016 13:45:17 -0500 MIME-Version: 1.0 In-Reply-To: <20160111162458.427203780@infradead.org> References: <20160111162458.427203780@infradead.org> From: Dmitry Vyukov Date: Mon, 11 Jan 2016 19:44:55 +0100 Message-ID: Subject: Re: [RFC][PATCH 00/12] various perf fixes To: Peter Zijlstra Cc: Ingo Molnar , alexander.shishkin@linux.intel.com, Stephane Eranian , LKML , vince@deater.net, Andi Kleen , jolsa@redhat.com Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 11, 2016 at 5:24 PM, 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. I've tried to apply this series, but it failed exactly on patch 10. Among other things I don't have event_function_call() function at all. I am on the latest Linus tree afd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc (Jan 10, 4.4). What other patches do I need to apply this?