From f22f928ec929c425c5aa402b5cc4d6d1fa4be238 Mon Sep 17 00:00:00 2001 From: Alexey Perevalov Date: Thu, 22 Mar 2018 21:17:22 +0300 Subject: migration: introduce postcopy-blocktime capability Right now it could be used on destination side to enable vCPU blocktime calculation for postcopy live migration. vCPU blocktime - it's time since vCPU thread was put into interruptible sleep, till memory page was copied and thread awake. Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Alexey Perevalov Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela Message-Id: <1521742647-25550-2-git-send-email-a.perevalov@samsung.com> Signed-off-by: Dr. David Alan Gilbert --- qapi/migration.json | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'qapi') diff --git a/qapi/migration.json b/qapi/migration.json index 9d0bf82cf4..24bfc190ba 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -354,16 +354,20 @@ # # @x-multifd: Use more than one fd for migration (since 2.11) # +# # @dirty-bitmaps: If enabled, QEMU will migrate named dirty bitmaps. # (since 2.12) # +# @postcopy-blocktime: Calculate downtime for postcopy live migration +# (since 2.13) +# # Since: 1.2 ## { 'enum': 'MigrationCapability', 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks', 'compress', 'events', 'postcopy-ram', 'x-colo', 'release-ram', 'block', 'return-path', 'pause-before-switchover', 'x-multifd', - 'dirty-bitmaps' ] } + 'dirty-bitmaps', 'postcopy-blocktime' ] } ## # @MigrationCapabilityStatus: -- cgit v1.2.1