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| author | Hyman Huang(黄勇) <yong.huang@smartx.com> | 2023-06-08 00:21:58 +0800 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2023-07-26 10:55:56 +0200 |
| commit | 15699cf5422aa7577ebe1a936aca4d589446b952 (patch) | |
| tree | 47e8af01a4accfd36a78c4e343442ea764733659 /qapi | |
| parent | acac51ba246ad1046c69de9e0b1a7e8523e2de99 (diff) | |
| download | qemu-15699cf5422aa7577ebe1a936aca4d589446b952.zip qemu-15699cf5422aa7577ebe1a936aca4d589446b952.tar.gz qemu-15699cf5422aa7577ebe1a936aca4d589446b952.tar.bz2 | |
migration: Extend query-migrate to provide dirty page limit info
Extend query-migrate to provide throttle time and estimated
ring full time with dirty-limit capability enabled, through which
we can observe if dirty limit take effect during live migration.
Signed-off-by: Hyman Huang(黄勇) <yong.huang@smartx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-ID: <168733225273.5845.15871826788879741674-8@git.sr.ht>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/migration.json | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/qapi/migration.json b/qapi/migration.json index e094438..440660b 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -250,6 +250,18 @@ # blocked. Present and non-empty when migration is blocked. # (since 6.0) # +# @dirty-limit-throttle-time-per-round: Maximum throttle time (in microseconds) of virtual +# CPUs each dirty ring full round, which shows how +# MigrationCapability dirty-limit affects the guest +# during live migration. (since 8.1) +# +# @dirty-limit-ring-full-time: Estimated average dirty ring full time (in microseconds) +# each dirty ring full round, note that the value equals +# dirty ring memory size divided by average dirty page rate +# of virtual CPU, which can be used to observe the average +# memory load of virtual CPU indirectly. Note that zero +# means guest doesn't dirty memory (since 8.1) +# # Since: 0.14 ## { 'struct': 'MigrationInfo', @@ -267,7 +279,9 @@ '*postcopy-blocktime': 'uint32', '*postcopy-vcpu-blocktime': ['uint32'], '*compression': 'CompressionStats', - '*socket-address': ['SocketAddress'] } } + '*socket-address': ['SocketAddress'], + '*dirty-limit-throttle-time-per-round': 'uint64', + '*dirty-limit-ring-full-time': 'uint64'} } ## # @query-migrate: |