[CRIU] [criu]how to keep cpuset affinity of process on restore?

[Pavel Emelyanov]

On 06/30/2016 04:43 PM, Cyrill Gorcunov wrote:
> On Thu, Jun 30, 2016 at 05:11:22PM +0800, Dengguangxing wrote:
>> Hi all,
>> 	
>> 	I was wondering if I start a process and set cpu affinity to it.
>> 		taskset -pc 2 $pid
>> 	and then do criu dump and restore to this process.
>> 	can I keep this cpu affinity on restore? what arg do I need to keep this.
> 
> iirc we don't save affinity. While it's fine to keep affinity
> on local process, it's unclean how to handle process migration
> into the machine with different cpu number. Should we start
> failing if affinity doesn't match?

But we do support cpuset cgroup :)

BTW, maintaining the affinity would be nice. When migrating to nodes
with different amount of CPUs would indeed require extra ... option :( 
to be passed to criu.

-- Pavel