From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754739Ab2GaJy0 (ORCPT ); Tue, 31 Jul 2012 05:54:26 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:6921 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753246Ab2GaJyY (ORCPT ); Tue, 31 Jul 2012 05:54:24 -0400 Message-ID: <5017AB41.60700@parallels.com> Date: Tue, 31 Jul 2012 13:54:09 +0400 From: Pavel Emelyanov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120209 Thunderbird/10.0.1 MIME-Version: 1.0 To: richard -rw- weinberger CC: Linux Kernel Mailing List , "lwn@lwn.net" , "criu@openvz.org" , "users@openvz.org" , Containers , cgroups mailinglist Subject: Re: [Announce] Checkpoint-restore tool v0.1 References: <500D09C9.7060903@parallels.com> <500D1116.7070301@parallels.com> <50179CF0.7050200@parallels.com> <5017A053.9000206@parallels.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/31/2012 01:29 PM, richard -rw- weinberger wrote: > On Tue, Jul 31, 2012 at 11:07 AM, Pavel Emelyanov wrote: >> Sorry :( However, if you can help with patches on that issue that would be >> highly appreciated :) >> > > Yeah, but I fear it's not that easy. > We'd have to change crtools to work without ptrace(). Well, this is hard. Using ptrace saved us from having many special-purpose APIs for dumping various stuff (there will be an article about it). Thus I don't know which way is simpler -- stop using ptrace or teach ptrece to allow several tracers to attach to one task %) Thanks, Pavel