From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757062Ab3HBDPz (ORCPT ); Thu, 1 Aug 2013 23:15:55 -0400 Received: from e28smtp06.in.ibm.com ([122.248.162.6]:42294 "EHLO e28smtp06.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754754Ab3HBDPx (ORCPT ); Thu, 1 Aug 2013 23:15:53 -0400 Message-ID: <51FB25DF.5000203@linux.vnet.ibm.com> Date: Fri, 02 Aug 2013 08:52:07 +0530 From: Raghavendra K T Organization: IBM User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Gleb Natapov , mingo@redhat.com CC: x86@kernel.org, tglx@linutronix.de, jeremy@goop.org, konrad.wilk@oracle.com, hpa@zytor.com, pbonzini@redhat.com, linux-doc@vger.kernel.org, habanero@linux.vnet.ibm.com, xen-devel@lists.xensource.com, peterz@infradead.org, mtosatti@redhat.com, stefano.stabellini@eu.citrix.com, andi@firstfloor.org, attilio.rao@citrix.com, ouyang@cs.pitt.edu, gregkh@suse.de, agraf@suse.de, chegu_vinod@hp.com, torvalds@linux-foundation.org, avi.kivity@gmail.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, riel@redhat.com, drjones@redhat.com, virtualization@lists.linux-foundation.org, srivatsa.vaddagiri@gmail.com Subject: Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor References: <20130724103907.GF16400@redhat.com> <51EFC1D4.9060800@linux.vnet.ibm.com> <20130724120647.GG16400@redhat.com> <51EFCA42.5020009@linux.vnet.ibm.com> <51F0ED31.3040200@linux.vnet.ibm.com> <20130725091509.GA22735@redhat.com> <51F0F202.5090001@linux.vnet.ibm.com> <51F7ED20.80202@linux.vnet.ibm.com> <20130731062440.GK28372@redhat.com> <51FA1087.9080908@linux.vnet.ibm.com> <20130801074529.GO7484@redhat.com> <51FA2486.20507@linux.vnet.ibm.com> In-Reply-To: <51FA2486.20507@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13080203-9574-0000-0000-000008FFB9A4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/01/2013 02:34 PM, Raghavendra K T wrote: > On 08/01/2013 01:15 PM, Gleb Natapov wrote: >>> Shall I consider this as an ack for kvm part? >>> >> For everything except 18/18. For that I still want to see numbers. But >> 18/18 is pretty independent from the reset of the series so it should >> not stop the reset from going in. > > Yes. agreed. > I am going to evaluate patch 18 separately and come with results for > that. Now we can consider only 1-17 patches. > Gleb, 32 core machine with HT off 32 vcpu guests. base = 3.11-rc + patch 1 -17 pvspinlock_v11 patched = base + patch 18 +-----------+-----------+-----------+------------+-----------+ dbench (Throughput in MB/sec higher is better) +-----------+-----------+-----------+------------+-----------+ base stdev patched stdev %improvement +-----------+-----------+-----------+------------+-----------+ 1x 14584.3800 146.9074 14705.1000 163.1060 0.82773 2x 1713.7300 32.8750 1717.3200 45.5979 0.20948 3x 967.8212 42.0257 971.8855 18.8532 0.41994 4x 685.2764 25.7150 694.5881 8.3907 1.35882 +-----------+-----------+-----------+------------+-----------+ I saw -0.78% - .84% changes in ebizzy and 1-2% improvement in hackbench.