From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751397AbaETGBR (ORCPT ); Tue, 20 May 2014 02:01:17 -0400 Received: from mga03.intel.com ([143.182.124.21]:51947 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987AbaETGBQ (ORCPT ); Tue, 20 May 2014 02:01:16 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,871,1392192000"; d="scan'208";a="434329355" Message-ID: <537AEF2D.9040207@intel.com> Date: Tue, 20 May 2014 13:59:09 +0800 From: Jet Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Andy Lutomirski CC: "H. Peter Anvin" , Fengguang Wu , LKML , lkp@01.org Subject: [x86, vdso] cfda7bb9ecb: +14.7% will-it-scale.per_thread_ops Content-Type: multipart/mixed; boundary="------------020702050100050902030205" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------020702050100050902030205 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Andy, FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso commit cfda7bb9ecbf9d96264bb5bade33a842966d1062 ("x86, vdso: Move syscall and sysenter setup into kernel/cpu/common.c") test case: nhm4/will-it-scale/sched_yield 3d7ee969bffcc98 cfda7bb9ecbf9d96264bb5bad --------------- ------------------------- 5497021 ~ 0% +14.7% 6303424 ~ 0% TOTAL will-it-scale.per_thread_ops 0.54 ~ 0% +5.6% 0.57 ~ 0% TOTAL will-it-scale.scalability 6209483 ~ 0% +1.6% 6305917 ~ 0% TOTAL will-it-scale.per_process_ops 2455 ~ 5% +16.9% 2870 ~ 5% TOTAL cpuidle.C1-NHM.usage 8829 ~ 7% +15.2% 10169 ~10% TOTAL slabinfo.kmalloc-64.active_objs 24.13 ~12% +48.9% 35.93 ~14% TOTAL time.user_time 393 ~ 0% -3.0% 382 ~ 1% TOTAL time.system_time Legend: ~XX% - stddev percent [+-]XX% - change percent Thanks, Jet --------------020702050100050902030205 Content-Type: text/plain; charset=UTF-8; name="reproduce" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="reproduce" ZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTAvY3B1ZnJl cS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMvc3lz dGVtL2NwdS9jcHUxL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1hbmNl ID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1Mi9jcHVmcmVxL3NjYWxpbmdfZ292ZXJu b3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTMvY3B1 ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2RldmljZXMv c3lzdGVtL2NwdS9jcHU0L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgplY2hvIHBlcmZvcm1h bmNlID4gL3N5cy9kZXZpY2VzL3N5c3RlbS9jcHUvY3B1NS9jcHVmcmVxL3NjYWxpbmdfZ292 ZXJub3IKZWNobyBwZXJmb3JtYW5jZSA+IC9zeXMvZGV2aWNlcy9zeXN0ZW0vY3B1L2NwdTYv Y3B1ZnJlcS9zY2FsaW5nX2dvdmVybm9yCmVjaG8gcGVyZm9ybWFuY2UgPiAvc3lzL2Rldmlj ZXMvc3lzdGVtL2NwdS9jcHU3L2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5vcgouL3J1bnRlc3Qu cHkgc2NoZWRfeWllbGQgMzIgMSA0IDYgOAoKCg== --------------020702050100050902030205--