Messages in this thread | | | Date | Tue, 31 Jul 2012 13:07:31 +0400 | From | Pavel Emelyanov <> | Subject | Re: [Announce] Checkpoint-restore tool v0.1 |
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On 07/31/2012 12:57 PM, richard -rw- weinberger wrote: > On Tue, Jul 31, 2012 at 10:53 AM, Pavel Emelyanov <xemul@parallels.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@parallels.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-)
Sorry :( However, if you can help with patches on that issue that would be highly appreciated :)
Thanks, Pavel
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