From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752077AbdBBPoY (ORCPT ); Thu, 2 Feb 2017 10:44:24 -0500 Received: from mail.skyhub.de ([78.46.96.112]:47333 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751036AbdBBPoW (ORCPT ); Thu, 2 Feb 2017 10:44:22 -0500 Date: Thu, 2 Feb 2017 16:43:59 +0100 From: Borislav Petkov To: "Ghannam, Yazen" Cc: x86-ml , Yves Dionne , Brice Goglin , Peter Zijlstra , lkml Subject: Re: [RFC PATCH] x86/CPU/AMD: Bring back Compute Unit ID Message-ID: <20170202154359.fevz4fmwc6t4ew75@pd.tnic> References: <20170201200237.36s2jwjgxi24we66@pd.tnic> <20170201214421.ppw2ww3faxxu2jrm@pd.tnic> <20170201222507.qvcn6dsxucn6fqcv@pd.tnic> <20170201224150.ohb7f7jvbttnikkz@pd.tnic> <20170202121054.im3c3iiqp26a2dyb@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20170202121054.im3c3iiqp26a2dyb@pd.tnic> User-Agent: NeoMutt/20161014 (1.7.1) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 02, 2017 at 01:10:54PM +0100, Borislav Petkov wrote: > Now on to run the same thing on a bigger bulldozer. It looks differently on the bigger box: before: Performance counter stats for 'make -s -j17 bzImage' (3 runs): 1333240.579196 task-clock (msec) # 9.271 CPUs utilized ( +- 0.03% ) 393,521 context-switches # 0.295 K/sec ( +- 0.27% ) 6,629,632,543 cache-misses ( +- 0.10% ) 51,570 cpu-migrations # 0.039 K/sec ( +- 1.21% ) 27,812,379 page-faults # 0.021 M/sec ( +- 0.05% ) 3,633,456,270,448 cycles # 2.725 GHz ( +- 0.03% ) 2,144,192,888,087 instructions # 0.59 insn per cycle ( +- 0.00% ) 476,225,081,234 branches # 357.194 M/sec ( +- 0.00% ) 25,294,199,758 branch-misses # 5.31% of all branches ( +- 0.02% ) 143.807894000 seconds time elapsed ( +- 0.89% ) after: Performance counter stats for 'make -s -j17 bzImage' (3 runs): 1330842.218684 task-clock (msec) # 9.047 CPUs utilized ( +- 0.14% ) 396,044 context-switches # 0.298 K/sec ( +- 0.60% ) 6,625,112,597 cache-misses ( +- 0.36% ) 60,050 cpu-migrations # 0.045 K/sec ( +- 1.11% ) 27,862,451 page-faults # 0.021 M/sec ( +- 0.08% ) 3,625,822,644,429 cycles # 2.724 GHz ( +- 0.12% ) 2,144,932,865,362 instructions # 0.59 insn per cycle ( +- 0.01% ) 476,375,898,692 branches # 357.951 M/sec ( +- 0.01% ) 25,226,837,830 branch-misses # 5.30% of all branches ( +- 0.09% ) 147.109189694 seconds time elapsed ( +- 0.49% ) -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.