Re: [Qemu-devel] [PATCH 0/17 v2] Localhost migration with side channel for ram

[Paolo Bonzini]

Il 22/10/2013 04:25, Lei Li ha scritto:
> This patch series tries to introduce a mechanism using side
> channel pipe for RAM via SCM_RIGHTS with unix domain socket
> protocol migration.
> 
> This side channel is used for the page flipping by vmsplice,
> which is the internal mechanism for localhost migration that
> we are trying to add to QEMU. The backgroud info and previous
> patch series for reference,
> 
> Localhost migration
> http://lists.nongnu.org/archive/html/qemu-devel/2013-08/msg02916.html
> 
> migration: Introduce side channel for RAM
> http://lists.gnu.org/archive/html/qemu-devel/2013-09/msg04043.html
> 
> I have picked patches from the localhost migration series and rebased 
> it on the series of side channel, now it is a complete series that
> passed the basic test.
> 
> Please let me know if there is anything needs to be fixed or improved.
> Your suggestions and comments are very welcome, and thanks for Paolo
> for his review and useful suggestions.

Thanks to you for listening. :)

What is performance like?  How much downtime do you get as the guest
size increases?

Paolo