From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753466Ab1IGT26 (ORCPT ); Wed, 7 Sep 2011 15:28:58 -0400 Received: from merlin.infradead.org ([205.233.59.134]:44705 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751611Ab1IGT25 convert rfc822-to-8bit (ORCPT ); Wed, 7 Sep 2011 15:28:57 -0400 Subject: Re: [PATCH] perf: make perf.data more self-descriptive (v3) From: Peter Zijlstra To: Stephane Eranian Cc: linux-kernel@vger.kernel.org, acme@redhat.com, mingo@elte.hu, dsahern@gmail.com Date: Wed, 07 Sep 2011 21:28:46 +0200 In-Reply-To: References: <20110906204637.GA31826@quad> <1315383151.11101.13.camel@twins> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Mailer: Evolution 3.0.2- Message-ID: <1315423726.11101.27.camel@twins> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2011-09-07 at 14:55 +0200, Stephane Eranian wrote: > On Wed, Sep 7, 2011 at 10:12 AM, Peter Zijlstra wrote: > > On Tue, 2011-09-06 at 22:46 +0200, Stephane Eranian wrote: > >> +static const char *topo_fmt[] = { > >> + "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", > >> + "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", > >> + NULL > >> +}; > > > > No nodes? > > > To record what information? core/thread siblings or memory stuff? Dunno really,.. but nodes are part of the topology and with people interested in all this uncore business it might make sense to have that. Maybe even record the node-distance table so you can reconstruct the interconnect topology.