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authorDr. David Alan Gilbert <dgilbert@redhat.com>2015-12-16 11:47:36 +0000
committerAmit Shah <amit.shah@redhat.com>2016-01-13 16:02:13 +0530
commit4addcd4fdc94c369f4cd54f8e03396ff26fce34d (patch)
treecfff579d69a5e91c1cc0ae954102e968ec3c70ba /docs
parent6ba996bb458f4620e62984f2561c270a636bb500 (diff)
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Migration: Emit event at start of pass
Emit an event each time we sync the dirty bitmap on the source; this helps libvirt use postcopy by giving it a kick when it might be a good idea to start the postcopy. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Message-Id: <1450266458-3178-5-git-send-email-dgilbert@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'docs')
-rw-r--r--docs/qmp-events.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/qmp-events.txt b/docs/qmp-events.txt
index d2f1ce4..52eb7e2 100644
--- a/docs/qmp-events.txt
+++ b/docs/qmp-events.txt
@@ -496,6 +496,20 @@ Example:
{"timestamp": {"seconds": 1432121972, "microseconds": 744001},
"event": "MIGRATION", "data": {"status": "completed"}}
+MIGRATION_PASS
+--------------
+
+Emitted from the source side of a migration at the start of each pass
+(when it syncs the dirty bitmap)
+
+Data: None.
+
+ - "pass": An incrementing count (starting at 1 on the first pass)
+
+Example:
+{"timestamp": {"seconds": 1449669631, "microseconds": 239225},
+ "event": "MIGRATION_PASS", "data": {"pass": 2}}
+
STOP
----