On 1/28/19 11:03 AM, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" <[email protected]> > > Add migration parameters that control RARP/GARP announcement timeouts. > > Based on earlier patches by myself and > Vladislav Yasevich <[email protected]> > > Signed-off-by: Dr. David Alan Gilbert <[email protected]> > ---
> +++ b/qapi/migration.json
> @@ -6,6 +6,7 @@
> ##
>
> { 'include': 'common.json' }
> +{ 'include': 'net.json' }
>
> ##
> # @MigrationStats:
> @@ -480,6 +481,18 @@
> #
> # Migration parameters enumeration
> #
> +# @announce-initial: Inital delay (in ms) before sending the first announce
s/Inital/Initial/ [2]
> +# (Since 4.0)
> +#
> +# @announce-max: Maximum delay (in ms) between packets in the announcment
> +# (Since 4.0)
> +#
> +# @announce-rounds: Number of self-announce packets sent after migration
> +# (Since 4.0)
> +#
> +# @announce-step: Increase in delay (in ms) between subsequent packets in
> +# the announcement (Since 4.0)
> +#
The new parameters are optional below [1]; should they have a default
value documented, and are there any constraints such that if you set
one, you must set all four to match the previous' patch having all four
be non-optional?
> @@ -653,7 +681,11 @@
> # TODO either fuse back into MigrationParameters, or make
> # MigrationParameters members mandatory
> { 'struct': 'MigrateSetParameters',
> - 'data': { '*compress-level': 'int',
> + 'data': { '*announce-initial': 'size',
> + '*announce-max': 'size',
> + '*announce-rounds': 'size',
> + '*announce-step': 'size',
> + '*compress-level': 'int',
[1] mentioned above
> '*compress-threads': 'int',
> '*compress-wait-thread': 'bool',
> '*decompress-threads': 'int',
> @@ -692,6 +724,18 @@
> #
> # The optional members aren't actually optional.
> #
> +# @announce-initial: Inital delay (in ms) before sending the first announce
> +# (Since 4.0)
[2] again
> @@ -769,7 +813,11 @@
> # Since: 2.4
> ##
> { 'struct': 'MigrationParameters',
> - 'data': { '*compress-level': 'uint8',
> + 'data': { '*announce-initial': 'size',
> + '*announce-max': 'size',
> + '*announce-rounds': 'size',
> + '*announce-step': 'size',
> + '*compress-level': 'uint8',
[1] again
> '*compress-threads': 'uint8',
> '*compress-wait-thread': 'bool',
> '*decompress-threads': 'uint8',
> @@ -785,7 +833,7 @@
> '*x-multifd-page-count': 'uint32',
> '*xbzrle-cache-size': 'size',
> '*max-postcopy-bandwidth': 'size',
> - '*max-cpu-throttle':'uint8'} }
> + '*max-cpu-throttle':'uint8' } }
Why the whitespace churn?
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
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