From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966546AbcHEJaj (ORCPT ); Fri, 5 Aug 2016 05:30:39 -0400 Received: from mail-wm0-f42.google.com ([74.125.82.42]:38399 "EHLO mail-wm0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759494AbcHEJag (ORCPT ); Fri, 5 Aug 2016 05:30:36 -0400 Subject: Re: Strange behavior of perf top with PEBS To: Jiri Olsa References: <578F7C82.6090500@kyup.com> <20160720143417.GA25992@krava> <20160720143842.GB25992@krava> <579749E6.1030408@kyup.com> <20160804152926.GA25592@krava> Cc: Peter Zijlstra , "Linux-Kernel@Vger. Kernel. Org" , andi@firstfloor.org From: Nikolay Borisov Message-ID: <57A45CB8.4040909@kyup.com> Date: Fri, 5 Aug 2016 12:30:32 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <20160804152926.GA25592@krava> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? > jirka >