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Date: Tue, 31 Jul 2012 10:57:58 +0200 From: richard -rw- weinberger <richard.weinberger@...il.com> To: Pavel Emelyanov <xemul@...allels.com> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "lwn@....net" <lwn@....net>, "criu@...nvz.org" <criu@...nvz.org>, "users@...nvz.org" <users@...nvz.org>, Containers <containers@...ts.linux-foundation.org>, cgroups mailinglist <cgroups@...r.kernel.org> Subject: Re: [Announce] Checkpoint-restore tool v0.1 On Tue, Jul 31, 2012 at 10:53 AM, Pavel Emelyanov <xemul@...allels.com> wrote: > On 07/30/2012 02:42 PM, richard -rw- weinberger wrote: >> On Mon, Jul 23, 2012 at 10:53 AM, Pavel Emelyanov <xemul@...allels.com> wrote: >>> 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. >> >> Is CRIU able to checkpoint a process tree where one or more processes >> are traced using ptrace()? > > No it's not (currently). > >> crtools seem to use ptrace() to execute parasite system calls. >> AFAIK this will only work if the target process is currently not >> ptraced() by another process. >> > > Yup, exactly. Dammit, I hoped we can get suspend/resume for UserModeLinux for free with CRIU. 8-) -- Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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