From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161612AbcE3QTs (ORCPT ); Mon, 30 May 2016 12:19:48 -0400 Received: from mail.kernel.org ([198.145.29.136]:60951 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161220AbcE3QTr (ORCPT ); Mon, 30 May 2016 12:19:47 -0400 Date: Mon, 30 May 2016 13:19:42 -0300 From: Arnaldo Carvalho de Melo To: Andi Kleen Cc: Andi Kleen , jolsa@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/4] perf stat: Basic support for TopDown in perf stat Message-ID: <20160530161942.GD11853@kernel.org> References: <1464119559-17203-1-git-send-email-andi@firstfloor.org> <20160530160155.GQ8857@kernel.org> <20160530160402.GI22049@tassilo.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160530160402.GI22049@tassilo.jf.intel.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Mon, May 30, 2016 at 09:04:02AM -0700, Andi Kleen escreveu: > > Which is a Broadwell-U, dual-core, 14 nm. > > > > [root@jouet linux]# echo 0 > /proc/sys/kernel/nmi_watchdog > > [root@jouet linux]# perf stat --topdown -a usleep 1 > > System does not support topdown > > [root@jouet linux]# cat /proc/sys/kernel/nmi_watchdog > > 0 > > [root@jouet linux]# > > > > Please advise. > > You don't have the kernel patches? > > They're in PeterZ's tree, but not yet in tip > https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git/log/?h=perf/core oops, will try applying those patches, thanks for claryfing. - Arnaldo