From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: sync guest calls made async on host - SQLite performance Date: Tue, 29 Sep 2009 15:51:33 -0500 Message-ID: <4AC27355.3090303@codemonkey.ws> References: <4ABC6AA5.6080909@tauceti.net> <4ABF4E95.5070100@redhat.com> <4ABF5596.9050207@gmail.com> <4AC259DC.2080807@codemonkey.ws> <4AC260BB.3090906@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Avi Kivity , RW , kvm@vger.kernel.org To: Matthew Tippett Return-path: Received: from qw-out-2122.google.com ([74.125.92.26]:19603 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751100AbZI2U6c (ORCPT ); Tue, 29 Sep 2009 16:58:32 -0400 Received: by qw-out-2122.google.com with SMTP id 5so2037920qwd.37 for ; Tue, 29 Sep 2009 13:58:36 -0700 (PDT) In-Reply-To: <4AC260BB.3090906@gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: Matthew Tippett wrote: > Okay, bringing the leafs of the discussions onto this thread. > > As per > > http://www.phoronix.com/scan.php?page=article&item=linux_2631_kvm&num=1&single=1 > > > "The host OS (as well as the guest OS when testing under KVM) was > running an Ubuntu 9.10 daily snapshot with the Linux 2.6.31 (final) > kernel" > > I am attempting to get the actual "daily" snapshot to provide the > precise version. I should have that information shortly. It is > likely that it was within 1-2 weeks prior to the article posting. > > > > Ubuntu's Karmic release has _not_ been released yet. For this > > particular test, Phoronix was probably using an alpha drop before > > Ubuntu switched from kvm-84 to qemu-kvm-0.11.0. > > The "probably" was described above - it was a snapshot after the > 2.6.31 final as September 9th, the article was published on September > 21st, so there is a finite window. > > I have high confidence in the testing that Phoronix has done and don't > expect to need to confirm the results explicitly, Your confidence is misplaced apparently. > and I have pieced together the following information. I should be > able to get the actual daily build number but broadly it looks like it > was > > Ubuntu 9.10 daily snapshot (~ 9th - 21st September) > Linux 2.6.31 (packaged as 2.6.31-10.30 to 2.6.31-10.32) > qemu-kvm 0.11 (packaged as 0.11.0~rc2-0ubuntu to 0.11.0~rc2-0ubuntu5 That's extremely unlikely. > But, if it turned out to be Ubuntu 9.10, linux 2.6.31, qemu-kvm 0.11 > would there be any concerns? It's not relevant because it's not qemu-kvm-0.11. Regards, Anthony Liguori