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| author | Xiao Guangrong <xiaoguangrong@tencent.com> | 2018-09-06 15:01:00 +0800 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2018-09-26 12:27:27 +0100 |
| commit | 76e030004f7fbabc2f978e8cd44052e17abd55b2 (patch) | |
| tree | a082f6700d63b14e26cdba005e42f06640dff2b5 /qapi/migration.json | |
| parent | 48df9d8002914137b0a1e5c4ca4d402224f205f9 (diff) | |
| download | qemu-76e030004f7fbabc2f978e8cd44052e17abd55b2.zip qemu-76e030004f7fbabc2f978e8cd44052e17abd55b2.tar.gz qemu-76e030004f7fbabc2f978e8cd44052e17abd55b2.tar.bz2 | |
migration: show the statistics of compression
Currently, it includes:
pages: amount of pages compressed and transferred to the target VM
busy: amount of count that no free thread to compress data
busy-rate: rate of thread busy
compressed-size: amount of bytes after compression
compression-rate: rate of compressed size
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
Message-Id: <20180906070101.27280-3-xiaoguangrong@tencent.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'qapi/migration.json')
| -rw-r--r-- | qapi/migration.json | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/qapi/migration.json b/qapi/migration.json index f62d3f9..6e8c212 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -76,6 +76,27 @@ 'overflow': 'int' } } ## +# @CompressionStats: +# +# Detailed migration compression statistics +# +# @pages: amount of pages compressed and transferred to the target VM +# +# @busy: count of times that no free thread was available to compress data +# +# @busy-rate: rate of thread busy +# +# @compressed-size: amount of bytes after compression +# +# @compression-rate: rate of compressed size +# +# Since: 3.1 +## +{ 'struct': 'CompressionStats', + 'data': {'pages': 'int', 'busy': 'int', 'busy-rate': 'number', + 'compressed-size': 'int', 'compression-rate': 'number' } } + +## # @MigrationStatus: # # An enumeration of migration status. @@ -172,6 +193,8 @@ # only present when the postcopy-blocktime migration capability # is enabled. (Since 3.0) # +# @compression: migration compression statistics, only returned if compression +# feature is on and status is 'active' or 'completed' (Since 3.1) # # Since: 0.14.0 ## @@ -186,7 +209,8 @@ '*cpu-throttle-percentage': 'int', '*error-desc': 'str', '*postcopy-blocktime' : 'uint32', - '*postcopy-vcpu-blocktime': ['uint32']} } + '*postcopy-vcpu-blocktime': ['uint32'], + '*compression': 'CompressionStats'} } ## # @query-migrate: |