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authorChuan Zheng <zhengchuan@huawei.com>2020-09-16 14:22:06 +0800
committerDr. David Alan Gilbert <dgilbert@redhat.com>2020-09-25 12:45:58 +0100
commit4c437254b807364df3d36e90be3b86251f405a83 (patch)
treefebdc1be0abf14792c2eb014b5da3af6111f91ab /qapi/migration.json
parentcf0bbb49d8f4d1825d33d8dc8b07dc6edade807b (diff)
migration/dirtyrate: Implement qmp_cal_dirty_rate()/qmp_get_dirty_rate() function
Implement qmp_cal_dirty_rate()/qmp_get_dirty_rate() function which could be called Signed-off-by: Chuan Zheng <zhengchuan@huawei.com> Message-Id: <1600237327-33618-12-git-send-email-zhengchuan@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> atomic function fixup Wording fixup in migration.json based on Eric's review
Diffstat (limited to 'qapi/migration.json')
-rw-r--r--qapi/migration.json50
1 files changed, 50 insertions, 0 deletions
diff --git a/qapi/migration.json b/qapi/migration.json
index 76a59b4f92..ce2216cfea 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -1737,3 +1737,53 @@
##
{ 'enum': 'DirtyRateStatus',
'data': [ 'unstarted', 'measuring', 'measured'] }
+
+##
+# @DirtyRateInfo:
+#
+# Information about current dirty page rate of vm.
+#
+# @dirty-rate: @dirtyrate describing the dirty page rate of vm
+# in units of MB/s.
+# If this field returns '-1', it means querying has not
+# yet started or completed.
+#
+# @status: status containing dirtyrate query status includes
+# 'unstarted' or 'measuring' or 'measured'
+#
+# @start-time: start time in units of second for calculation
+#
+# @calc-time: time in units of second for sample dirty pages
+#
+# Since: 5.2
+#
+##
+{ 'struct': 'DirtyRateInfo',
+ 'data': {'dirty-rate': 'int64',
+ 'status': 'DirtyRateStatus',
+ 'start-time': 'int64',
+ 'calc-time': 'int64'} }
+
+##
+# @calc-dirty-rate:
+#
+# start calculating dirty page rate for vm
+#
+# @calc-time: time in units of second for sample dirty pages
+#
+# Since: 5.2
+#
+# Example:
+# {"command": "calc-dirty-rate", "data": {"calc-time": 1} }
+#
+##
+{ 'command': 'calc-dirty-rate', 'data': {'calc-time': 'int64'} }
+
+##
+# @query-dirty-rate:
+#
+# query dirty page rate in units of MB/s for vm
+#
+# Since: 5.2
+##
+{ 'command': 'query-dirty-rate', 'returns': 'DirtyRateInfo' }