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[209.132.180.67]) by mx.google.com with ESMTP id 62si15083892ple.393.2019.04.03.10.15.06; Wed, 03 Apr 2019 10:15:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2018-07-02 header.b="5S6AgW/N"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726496AbfDCROK (ORCPT + 99 others); Wed, 3 Apr 2019 13:14:10 -0400 Received: from aserp2130.oracle.com ([141.146.126.79]:40106 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726084AbfDCROJ (ORCPT ); Wed, 3 Apr 2019 13:14:09 -0400 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x33H3hRG154371; Wed, 3 Apr 2019 17:13:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=content-type : mime-version : subject : from : in-reply-to : date : cc : content-transfer-encoding : message-id : references : to; s=corp-2018-07-02; bh=AMEI3so+eBmfxTU0R6ccc4DLo94luNS9vEBVO3oIV+M=; b=5S6AgW/NZ3zO150072DaZjxsLUd/+NHCNhKNsBC+lYsydsr8GkauCA5XITjNF3yDcjiB qzFcZYHNaAJ/dEaVrAzqkRjojL6Rj92pCk3TiH9xaUIvIVsGDtq5lAdo+oFCFDSSfBzP HIRVGGGTKDHYFv0d0vnK02+g9GJR+pjJVLL3UoXMuq7QJWzQCLmTmKrrxTOhzRkj62We etdYiI54DeV8+ZbxVYc/7ItCr2MwprRHgmnaAuxhdytJEuvTg43eE8GEzFQiFoBMFNbR B2FKY6Yy0pURjuRE8xawyYYVvMr99BRo+XvoYSenbzG2h3eKs8wWws6gWOIvo7rP6C2D IQ== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by aserp2130.oracle.com with ESMTP id 2rhwydajtx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 03 Apr 2019 17:13:30 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x33HD5LL033428; Wed, 3 Apr 2019 17:13:29 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 2rm8f67mcn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 03 Apr 2019 17:13:29 +0000 Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x33HDQNP019113; Wed, 3 Apr 2019 17:13:27 GMT Received: from [10.11.111.157] (/10.11.111.157) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 03 Apr 2019 10:13:26 -0700 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 10.2 \(3259\)) Subject: Re: [PATCH v2 0/5] Add NUMA-awareness to qspinlock From: Alex Kogan In-Reply-To: <20190401090943.GG11158@hirez.programming.kicks-ass.net> Date: Wed, 3 Apr 2019 13:13:39 -0400 Cc: linux@armlinux.org.uk, mingo@redhat.com, will.deacon@arm.com, arnd@arndb.de, longman@redhat.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, bp@alien8.de, hpa@zytor.com, x86@kernel.org, steven.sistare@oracle.com, daniel.m.jordan@oracle.com, dave.dice@oracle.com, rahul.x.yadav@oracle.com Content-Transfer-Encoding: quoted-printable Message-Id: <6E1DD598-2493-4C81-9CB6-8024E9244574@oracle.com> References: <20190329152006.110370-1-alex.kogan@oracle.com> <20190401090943.GG11158@hirez.programming.kicks-ass.net> To: Peter Zijlstra X-Mailer: Apple Mail (2.3259) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9216 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=817 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904030117 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9216 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=859 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904030116 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Apr 1, 2019, at 5:09 AM, Peter Zijlstra = wrote: >=20 > On Fri, Mar 29, 2019 at 11:20:01AM -0400, Alex Kogan wrote: >> The following locktorture results are from an Oracle X5-4 server >> (four Intel Xeon E7-8895 v3 @ 2.60GHz sockets with 18 hyperthreaded >> cores each).=20 >=20 > The other interesting number is on a !NUMA machine. What do these > patches do there? Remember, most people do not in fact have numa. I will make sure to include numbers from a !NUMA machine in the next = revision of the patch. Regards, =E2=80=94 Alex=