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Re: [PATCH v29 17/17] qapi: Add VFIO devices migration stats in Migratio
From: |
Eric Blake |
Subject: |
Re: [PATCH v29 17/17] qapi: Add VFIO devices migration stats in Migration stats |
Date: |
Tue, 16 Mar 2021 08:22:14 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 |
On 10/26/20 4:36 AM, Kirti Wankhede wrote:
> Added amount of bytes transferred to the VM at destination by all VFIO
> devices
>
> Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> +++ 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: 5.2
5.2 is last year; this should be 6.0 (if this makes it in time for soft
freeze) or even 6.1
> +#
> +##
> +{ '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 5.2)
here, too
> +#
> # 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