From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755499AbeDWOX0 (ORCPT ); Mon, 23 Apr 2018 10:23:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:38024 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755335AbeDWOXX (ORCPT ); Mon, 23 Apr 2018 10:23:23 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D5E7121795 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=acme@kernel.org Date: Mon, 23 Apr 2018 11:23:19 -0300 From: Arnaldo Carvalho de Melo To: Jiri Olsa Cc: Kan Liang , lkml , Ingo Molnar , Namhyung Kim , David Ahern , Alexander Shishkin , Peter Zijlstra Subject: Re: [PATCH 5/9] perf tools: Disable write_backward for leader sampling group events Message-ID: <20180423142319.GD30324@kernel.org> References: <20180423090823.32309-1-jolsa@kernel.org> <20180423090823.32309-6-jolsa@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180423090823.32309-6-jolsa@kernel.org> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Mon, Apr 23, 2018 at 11:08:19AM +0200, Jiri Olsa escreveu: > .. and other related fields that do not need to be enabled > for events that have sampling leader. > > It fixes the perf top usage Ingo reported broken: > > # perf top -e '{cycles,msr/aperf/}:S' > > The msr/aperf/ is configured for write_back sampling, which > is not allowed by msr pmu, so it fails to create the event. > > Adjusting related attr test. Applied to perf/urgent. - Arnaldo