Re: [Qemu-devel] [PATCH REPOST 0/2] Add basic "detach" support for dump-guest-memory

[Eric Blake]

On 11/23/2015 03:07 AM, Peter Xu wrote:
> Currently, dump-guest-memory supports synchronous operation only. This patch
> sets are adding "detach" support for it (just like "migrate -d" for
> migration). When "-d" is provided, dump-guest-memory command will return
> immediately without hanging user. This should be useful when the backend
> storage for the dump file is very slow.

Where is the added event that fires when the command completes?  Where
can a user poll for completion if they don't want to wait for an event?

You cannot convert a blocking command to asynchronous without some
user-visible way of tracking progress.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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