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| author | Dr. David Alan Gilbert | 2018-06-13 12:26:40 +0200 |
|---|---|---|
| committer | Dr. David Alan Gilbert | 2018-06-15 15:40:56 +0200 |
| commit | 7e555c6c58f095c9286814c3f9cd06196feba8a1 (patch) | |
| tree | c6bc6247dd3874995257814a2ccc8bfa04bed6b8 /qapi | |
| parent | migration: introduce migration_update_rates (diff) | |
| download | qemu-7e555c6c58f095c9286814c3f9cd06196feba8a1.tar.gz qemu-7e555c6c58f095c9286814c3f9cd06196feba8a1.tar.xz qemu-7e555c6c58f095c9286814c3f9cd06196feba8a1.zip | |
migration/postcopy: Add max-postcopy-bandwidth parameter
Limit the background transfer bandwidth during the postcopy
phase to the value set on this new parameter. The default, 0,
corresponds to the existing behaviour which is unlimited bandwidth.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20180613102642.23995-2-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/migration.json | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/qapi/migration.json b/qapi/migration.json index f7e10ee90f..1b4c1db670 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -517,6 +517,9 @@ # and a power of 2 # (Since 2.11) # +# @max-postcopy-bandwidth: Background transfer bandwidth during postcopy. +# Defaults to 0 (unlimited). In bytes per second. +# (Since 3.0) # Since: 2.4 ## { 'enum': 'MigrationParameter', @@ -525,7 +528,7 @@ 'tls-creds', 'tls-hostname', 'max-bandwidth', 'downtime-limit', 'x-checkpoint-delay', 'block-incremental', 'x-multifd-channels', 'x-multifd-page-count', - 'xbzrle-cache-size' ] } + 'xbzrle-cache-size', 'max-postcopy-bandwidth' ] } ## # @MigrateSetParameters: @@ -593,6 +596,10 @@ # needs to be a multiple of the target page size # and a power of 2 # (Since 2.11) +# +# @max-postcopy-bandwidth: Background transfer bandwidth during postcopy. +# Defaults to 0 (unlimited). In bytes per second. +# (Since 3.0) # Since: 2.4 ## # TODO either fuse back into MigrationParameters, or make @@ -611,7 +618,8 @@ '*block-incremental': 'bool', '*x-multifd-channels': 'int', '*x-multifd-page-count': 'int', - '*xbzrle-cache-size': 'size' } } + '*xbzrle-cache-size': 'size', + '*max-postcopy-bandwidth': 'size' } } ## # @migrate-set-parameters: @@ -694,6 +702,10 @@ # needs to be a multiple of the target page size # and a power of 2 # (Since 2.11) +# +# @max-postcopy-bandwidth: Background transfer bandwidth during postcopy. +# Defaults to 0 (unlimited). In bytes per second. +# (Since 3.0) # Since: 2.4 ## { 'struct': 'MigrationParameters', @@ -710,7 +722,8 @@ '*block-incremental': 'bool' , '*x-multifd-channels': 'uint8', '*x-multifd-page-count': 'uint32', - '*xbzrle-cache-size': 'size' } } + '*xbzrle-cache-size': 'size', + '*max-postcopy-bandwidth': 'size' } } ## # @query-migrate-parameters: |