Re: [PATCH v26 17/17] qapi: Add VFIO devices migration stats in Migration stats

[Eric Blake]

On 9/22/20 6:24 PM, Kirti Wankhede wrote:
> Added amount of bytes transferred to the target VM by all VFIO devices
>
> Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
> ---
>
> Note: Comments from v25 for this patch are not addressed yet.
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg715620.html
>
> Alex, need more pointer on documentation part raised Markus Armbruster.

> +++ b/qapi/migration.json
> @@ -147,6 +147,18 @@
>               'active', 'postcopy-active', 'postcopy-paused',
>               'postcopy-recover', 'completed', 'failed', 'colo',
>               'pre-switchover', 'device', 'wait-unplug' ] }
> +##
> +# @VfioStats:
> +#
> +# Detailed VFIO devices migration statistics
> +#
> +# @transferred: amount of bytes transferred to the target VM by VFIO devices
> +#
> +# Since: 5.1

This should be Since: 5.2

> +#
> +##
> +{ 'struct': 'VfioStats',
> +  'data': {'transferred': 'int' } }
>   
>   ##
>   # @MigrationInfo:
> @@ -208,11 +220,16 @@
>   #
>   # @socket-address: Only used for tcp, to know what the real port is (Since 
> 4.0)
>   #
> +# @vfio: @VfioStats containing detailed VFIO devices migration statistics,
> +#        only returned if VFIO device is present, migration is supported by all
> +#         VFIO devices and status is 'active' or 'completed' (since 5.1)

and here

> +#
>   # Since: 0.14.0
>   ##
>   { 'struct': 'MigrationInfo',
>     'data': {'*status': 'MigrationStatus', '*ram': 'MigrationStats',
>              '*disk': 'MigrationStats',
> +           '*vfio': 'VfioStats',
>              '*xbzrle-cache': 'XBZRLECacheStats',
>              '*total-time': 'int',
>              '*expected-downtime': 'int',

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org