From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757557AbaISSPJ (ORCPT ); Fri, 19 Sep 2014 14:15:09 -0400 Received: from www.sr71.net ([198.145.64.142]:54873 "EHLO blackbird.sr71.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756107AbaISSPH (ORCPT ); Fri, 19 Sep 2014 14:15:07 -0400 Message-ID: <541C72A9.9090509@sr71.net> Date: Fri, 19 Sep 2014 11:15:05 -0700 From: Dave Hansen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Karel Zak CC: linux-kernel@vger.kernel.org, dave.hansen@linux.intel.com, a.p.zijlstra@chello.nl, mingo@kernel.org, hpa@linux.intel.com, brice.goglin@gmail.com, bp@alien8.de Subject: Re: [PATCH] x86: new topology for multi-NUMA-node CPUs References: <20140918193334.C065EBCE@viggo.jf.intel.com> <20140919114529.GD5366@x2.net.home> In-Reply-To: <20140919114529.GD5366@x2.net.home> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/19/2014 04:45 AM, Karel Zak wrote: > hmm... it would be also nice to test it with lscpu(1) from > util-linux (but it uses maps rather than lists from cpu*/topology/). Here's the output with and with out Cluster-on-Die enabled. Everything looks OK to me. The cache size changes are what the CPU actually tells us through CPUID leaves. [root@otc-grantley-03 ~]# diff -ru lscpu.nocod lscpu.wcod --- lscpu.nocod 2014-09-19 04:01:17.846336595 -0700 +++ lscpu.wcod 2014-09-19 04:10:56.557383761 -0700 @@ -6,18 +6,20 @@ Thread(s) per core: 2 Core(s) per socket: 18 Socket(s): 2 -NUMA node(s): 2 +NUMA node(s): 4 Vendor ID: GenuineIntel CPU family: 6 Model: 63 Model name: Intel(R) Xeon(R) CPU E5-2699 v3 @ 2.30GHz Stepping: 2 -CPU MHz: 1340.468 -BogoMIPS: 4590.53 +CPU MHz: 1360.234 +BogoMIPS: 4590.67 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K -L3 cache: 46080K -NUMA node0 CPU(s): 0-17,36-53 -NUMA node1 CPU(s): 18-35,54-71 +L3 cache: 23040K +NUMA node0 CPU(s): 0-8,36-44 +NUMA node1 CPU(s): 9-17,45-53 +NUMA node2 CPU(s): 18-26,54-62 +NUMA node3 CPU(s): 27-35,63-71