From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753253Ab2GWNO2 (ORCPT ); Mon, 23 Jul 2012 09:14:28 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:48310 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752991Ab2GWNO0 (ORCPT ); Mon, 23 Jul 2012 09:14:26 -0400 Date: Mon, 23 Jul 2012 08:14:19 -0500 From: Serge Hallyn To: Pavel Emelyanov Cc: Linux Kernel Mailing List , lwn@lwn.net, "criu@openvz.org" , users@openvz.org, cgroups mailinglist , Containers Subject: Re: [Announce] Checkpoint-restore tool v0.1 Message-ID: <20120723131419.GB4923@sergelap> References: <500D09C9.7060903@parallels.com> <500D1116.7070301@parallels.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <500D1116.7070301@parallels.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Quoting Pavel Emelyanov (xemul@parallels.com): > Fixing the bogus containers@ ml and adding cgroups@ one. Sorry :( > > == Original message == > > Hi! > > I'm glad to announce the first release of the checkpoint-restore tool. > > > This project is an attempt to implement the checkpoint-restore functionality > for processes and containers without driving too much code into the kernel tree, > but putting there "various oddball helper code" instead. > > The tool can already be used for checkpointing and restoring various individual > applications. And the greatest thing about this so far is that most of the below > functionality has the required kernel support in the recently released v3.5! > > So, we support now > > * x86_64 architecture > * process' linkage > * process groups and sessions (without ttys though :\ ) > * memory mappings of any kind (shared, file, etc.) > * threads > * open files (shared between tasks and partially opened-and-unlinked) > * pipes and fifos with data > * unix sockets with packet queues contents > * TCP and UDP sockets (TCP connections support exists, but needs polishing) > * inotifies, eventpoll and eventfd > * tasks' sigactions setup, credentials and itimers > * IPC, mount and PID namespaces > > Though namespaces support is in there, we do not yet support an LXC container c/r, > but we're close to it :) > > > I'd like to thank everyone who took part in new kernel APIs discussions, the > feedback was great! Special thanks goes to Linus for letting the kernel parts > in early, instead of making them sit out of tree till becoming stable enough. > > > Tarball with the tool sources is at > > http://download.openvz.org/criu/crtools-0.1.tar.bz2 > > The git repo is at > > http://git.criu.org/ > > And some sort of docs growing at > > http://criu.org/ > > > There are still things for which we don't have the kernel support merged (SysVIPC > and various anon file descriptors, i.e. inotify, eventpoll, eventfd) yet. We have > the kernel branch with the stuff applied available at > > https://github.com/cyrillos/linux-2.6.git > > > Thanks, > Pavel Awesome - thanks, Pavel, and congratulations :) I'll have to give it a spin as soon as I get a chance.