[Users] Re: Cant get information from a kernel connector in a
container
Kir Kolyshkin
kir at openvz.org
Thu Sep 3 09:07:27 EDT 2009
It will probably help if you'll show us your code.
Surbhi Chitre wrote:
> Hi again,
>
> I forgot to mention that I am using the following linux version:
> 2.6.27.21 downloaded from the OpenVZ website with the last
> commit : acfd6c89981b9de80b96741380780ffe6c87a15d
> as per the git log.
>
> When I run the user space version of the kernel connector
> from outside the container, then the information of the processes
> running in the container cannot be seen (but the other processes
> related information can be seen !) When I run the same program
> inside a container I cannot send the message to the kernel
> connector because of "Connection refused" error (As mentioned earlier) !!
>
> Do let me know if I am missing any patch ? Any tip or
> help will be very helpful to me and shall be hugely appreciated :)
> Thanks a lot !
>
>
> Warm Regards,
> Surbhi.
>
>
>
>
>
>
> On Tue, Aug 25, 2009 at 7:50 PM, Surbhi Chitre <csurbhi at gmail.com
> <mailto:csurbhi at gmail.com>> wrote:
>
> Hie,
>
> I want to find out all the processes belonging to a particular
> process group. To find this out I am using the kernel connector
> provided by the Linux kernel. I have written a socket based user
> space program that leverages the information provided by the
> kernel connector.
>
> This program works successfully when it executes outside any
> container. However when I run it inside a container,
> send() fails because of the following error:
> "Connection refused".
>
> Running this connector code outside
> the container will not fetch the information of the processes
> executing inside a container.
>
> Has anyone else tried using the process related events given
> by the kernel connector from a container ? Does this work ?
> Is their any other way of finding out the processes of a group ?
> (or all the children/grandchildren.. of a process running in a
> container ?)
>
> Thanks a lot!
>
> Warm Regards,
> Surbhi.
>
>
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