[Devel] Re: [PATCHSET] 2.6.20-lxc8

[Eric W. Biederman]

Daniel Lezcano <dlezcano at fr.ibm.com> writes:

>>
> Benjamin Thery and I we were looking at this.
> For the moment we are investigating if there is IP fragmentation between the
> eth0 and the pair devices.
> The profiling shows us "pskb_expand_head" and "csum_partial_copy_generic"
> functions have the bigger CPU usage when we are inside a container.

Hmm.  Interesting hypothesis.  I do know I haven't finished the IP fragment
support so there may be an issue there.  Although generally especially with
TCP fragments are not generated.  How are you thinking fragmentation would
be involved?

Eric
_______________________________________________
Containers mailing list
Containers at lists.linux-foundation.org
https://lists.linux-foundation.org/mailman/listinfo/containers