From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54571) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VZLje-0000HT-ES for qemu-devel@nongnu.org; Thu, 24 Oct 2013 10:18:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VZLjY-0005zr-F0 for qemu-devel@nongnu.org; Thu, 24 Oct 2013 10:18:02 -0400 Received: from mail-we0-x231.google.com ([2a00:1450:400c:c03::231]:59036) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VZLjY-0005zP-8I for qemu-devel@nongnu.org; Thu, 24 Oct 2013 10:17:56 -0400 Received: by mail-we0-f177.google.com with SMTP id x55so2375983wes.22 for ; Thu, 24 Oct 2013 07:17:55 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <52692C10.3080604@redhat.com> Date: Thu, 24 Oct 2013 15:17:52 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <1382412341-1173-1-git-send-email-lilei@linux.vnet.ibm.com> In-Reply-To: <1382412341-1173-1-git-send-email-lilei@linux.vnet.ibm.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 0/17 v2] Localhost migration with side channel for ram List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Lei Li Cc: aarcange@redhat.com, aliguori@us.ibm.com, quintela@redhat.com, qemu-devel@nongnu.org, mrhines@linux.vnet.ibm.com, mdroth@linux.vnet.ibm.com, lagarcia@br.ibm.com, rcj@linux.vnet.ibm.com Il 22/10/2013 04:25, Lei Li ha scritto: > This patch series tries to introduce a mechanism using side > channel pipe for RAM via SCM_RIGHTS with unix domain socket > protocol migration. > > This side channel is used for the page flipping by vmsplice, > which is the internal mechanism for localhost migration that > we are trying to add to QEMU. The backgroud info and previous > patch series for reference, > > Localhost migration > http://lists.nongnu.org/archive/html/qemu-devel/2013-08/msg02916.html > > migration: Introduce side channel for RAM > http://lists.gnu.org/archive/html/qemu-devel/2013-09/msg04043.html > > I have picked patches from the localhost migration series and rebased > it on the series of side channel, now it is a complete series that > passed the basic test. > > Please let me know if there is anything needs to be fixed or improved. > Your suggestions and comments are very welcome, and thanks for Paolo > for his review and useful suggestions. Thanks to you for listening. :) What is performance like? How much downtime do you get as the guest size increases? Paolo