qemu/0102-migration-change-initial-value-of-expected_downtime.patch

30 lines
999 B
Diff
Raw Normal View History

From 60388b2884f904b408ec8650ab2af0a03ea7073e Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Fri, 1 Feb 2013 11:12:26 +0100
Subject: [PATCH] migration: change initial value of expected_downtime
0 is a very bad initial value, what we are trying to get is
max_downtime, so that is a much better estimation.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
(cherry picked from commit cc283e3bf04d2f64eb6ec2ee5bcd36edd779fe89)
---
migration.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/migration.c b/migration.c
index 98c7696..3584a24 100644
--- a/migration.c
+++ b/migration.c
@@ -774,6 +774,8 @@ void migrate_fd_connect(MigrationState *s)
s->buffer = NULL;
s->buffer_size = 0;
s->buffer_capacity = 0;
+ /* This is a best 1st approximation. ns to ms */
+ s->expected_downtime = max_downtime/1000000;
s->xfer_limit = s->bandwidth_limit / XFER_LIMIT_RATIO;
s->complete = false;