From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755305Ab3KERcG (ORCPT ); Tue, 5 Nov 2013 12:32:06 -0500 Received: from mail-yh0-f52.google.com ([209.85.213.52]:45913 "EHLO mail-yh0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750732Ab3KERcE (ORCPT ); Tue, 5 Nov 2013 12:32:04 -0500 Date: Tue, 5 Nov 2013 14:31:52 -0300 From: Arnaldo Carvalho de Melo To: Peter Zijlstra Cc: Jiri Olsa , Adrian Hunter , Ingo Molnar , linux-kernel@vger.kernel.org, David Ahern , Frederic Weisbecker , Mike Galbraith , Namhyung Kim , Paul Mackerras , Stephane Eranian Subject: Re: [PATCH V3 06/11] perf record: Add an option to force per-cpu mmaps Message-ID: <20131105173152.GB7329@ghostprotocols.net> References: <1383313899-15987-1-git-send-email-adrian.hunter@intel.com> <1383313899-15987-7-git-send-email-adrian.hunter@intel.com> <20131104152942.GA4004@krava.brq.redhat.com> <5278AC36.1020702@intel.com> <20131105094220.GA1071@krava.brq.redhat.com> <5278EE0A.1080108@intel.com> <20131105133024.GE1071@krava.brq.redhat.com> <20131105142545.GD22912@ghostprotocols.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131105142545.GD22912@ghostprotocols.net> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PeterZ, Can I have your Acked-by for this one? I guess now the goal is achieved, no? - Arnaldo Em Tue, Nov 05, 2013 at 11:25:45AM -0300, Arnaldo Carvalho de Melo escreveu: > Em Tue, Nov 05, 2013 at 02:30:24PM +0100, Jiri Olsa escreveu: > > On Tue, Nov 05, 2013 at 03:09:30PM +0200, Adrian Hunter wrote: > > > > right, I haven't considered the hundreds CPU machine.. I just > > > > saw that it disables inherited events in my test ;-) maybe we > > > > could mentioned that somewhere, because it's not clear > > > > > > How about this: > > > > > > From: Adrian Hunter > > > > > > By default, when tasks are specified (i.e. -p, -t > > > or -u options) per-thread mmaps are created. Add > > > an option to override that and force per-cpu mmaps. > > > > > > Signed-off-by: Adrian Hunter > > > > seems ok, thanks > > Much better, but may I ask that the explanation in the man pages be > present in the changeset commit as well? So that by just looking at 'git > log' we can more readily get the whole picture, i.e. scalability versus > wanting to have inherit. > > - Arnaldo > > > Acked-by: Jiri Olsa > > > > jirka