Re: [PATCH v3 6/7] migration/multifd: Add zero pages and zero bytes counter to migration status interface.

[Markus Armbruster]

Hao Xiang <hao.xiang@bytedance.com> writes:

> This change extends the MigrationStatus interface to track zero pages
> and zero bytes counter.
>
> Signed-off-by: Hao Xiang <hao.xiang@bytedance.com>

[...]

> diff --git a/qapi/migration.json b/qapi/migration.json
> index a0a85a0312..171734c07e 100644
> --- a/qapi/migration.json
> +++ b/qapi/migration.json
> @@ -63,6 +63,10 @@
>  #     between 0 and @dirty-sync-count * @multifd-channels.  (since
>  #     7.1)
>  #
> +# @zero-pages: number of zero pages (since 9.0)
> +#
> +# @zero-bytes: number of zero bytes sent (since 9.0)
> +#

Awfully terse.  How are these two related?

>  # Features:
>  #
>  # @deprecated: Member @skipped is always zero since 1.5.3

[...]