[Qemu-devel] [PATCH] migration: calculate expected_downtime with ram_bytes_remaining()

[Balamuruhan S]

expected_downtime value is not accurate with dirty_pages_rate * page_size,
using ram_bytes_remaining would yeild it correct.

Signed-off-by: Balamuruhan S <bal...@linux.vnet.ibm.com>
---
 migration/migration.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/migration/migration.c b/migration/migration.c
index 58bd382730..4e43dc4f92 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -2245,8 +2245,7 @@ static void migration_update_counters(MigrationState *s,
      * recalculate. 10000 is a small enough number for our purposes
      */
     if (ram_counters.dirty_pages_rate && transferred > 10000) {
-        s->expected_downtime = ram_counters.dirty_pages_rate *
-            qemu_target_page_size() / bandwidth;
+        s->expected_downtime = ram_bytes_remaining() / bandwidth;
     }
 
     qemu_file_reset_rate_limit(s->to_dst_file);
-- 
2.14.3