From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753327AbbIIOfH (ORCPT ); Wed, 9 Sep 2015 10:35:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43131 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751119AbbIIOe7 (ORCPT ); Wed, 9 Sep 2015 10:34:59 -0400 Date: Wed, 9 Sep 2015 16:34:52 +0200 From: Jiri Olsa To: kan.liang@intel.com Cc: acme@kernel.org, jolsa@kernel.org, a.p.zijlstra@chello.nl, luto@kernel.org, mingo@redhat.com, eranian@google.com, ak@linux.intel.com, mark.rutland@arm.com, adrian.hunter@intel.com, namhyung@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V9 3/6] perf, record: introduce --freq-perf option Message-ID: <20150909143452.GC32139@krava.local> References: <1441740769-61236-1-git-send-email-kan.liang@intel.com> <1441740769-61236-4-git-send-email-kan.liang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1441740769-61236-4-git-send-email-kan.liang@intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 08, 2015 at 03:32:46PM -0400, kan.liang@intel.com wrote: > From: Kan Liang > > To generate the frequency and performance output, perf must sample read > special events like cycles, ref-cycles, msr/tsc/, msr/aperf/ or > msr/mperf/. > With the --freq-perf option, perf record can automatically check and add > those event into evlist for sampling read. > > Signed-off-by: Kan Liang Acked-by: Jiri Olsa thanks, jirka