From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752150AbcHHNDz (ORCPT ); Mon, 8 Aug 2016 09:03:55 -0400 Received: from merlin.infradead.org ([205.233.59.134]:56196 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750916AbcHHNDy (ORCPT ); Mon, 8 Aug 2016 09:03:54 -0400 Date: Mon, 8 Aug 2016 15:03:43 +0200 From: Peter Zijlstra To: Jiri Olsa Cc: Nikolay Borisov , "Linux-Kernel@Vger. Kernel. Org" , andi@firstfloor.org, Greg Kroah-Hartman Subject: Re: Strange behavior of perf top with PEBS Message-ID: <20160808130343.GF6879@twins.programming.kicks-ass.net> References: <578F7C82.6090500@kyup.com> <20160720143417.GA25992@krava> <20160720143842.GB25992@krava> <579749E6.1030408@kyup.com> <20160804152926.GA25592@krava> <57A45CB8.4040909@kyup.com> <20160805102320.GB12528@krava> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160805102320.GB12528@krava> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 05, 2016 at 12:23:20PM +0200, Jiri Olsa wrote: > On Fri, Aug 05, 2016 at 12:30:32PM +0300, Nikolay Borisov wrote: > > > > > > On 08/04/2016 06:29 PM, Jiri Olsa wrote: > > > On Tue, Jul 26, 2016 at 02:30:46PM +0300, Nikolay Borisov wrote: > > [SNIP] > > > > > > sorry for late response.. > > > > > > I checked on f22 kernel and it's missing the core2 PEBs fix: > > > 1424a09a9e18 perf/x86: fix PEBS issues on Intel Atom/Core2 > > > > > > which was introduced in 4.5.. you should upgrade or include > > > this patch > > > > > > > Thanks for the reply. Isn't this supposed to be tagged as stable since > > it essentially breaks the default invocation of perf top? > > yep, it seems like good one to have in stable, Peter? Greg, could you pick: 1424a09a9e18 ("perf/x86: fix PEBS issues on Intel Atom/Core2") Into 4.4-stable ?