diff mbox series

[PULL,05/10] migration: fix counting xbzrle cache_miss_rate

Message ID 20180615151518.83637-6-dgilbert@redhat.com
State New
Headers show
Series [PULL,01/10] typedefs: add QJSON | expand

Commit Message

Dr. David Alan Gilbert June 15, 2018, 3:15 p.m. UTC 
From: Xiao Guangrong <xiaoguangrong@tencent.com>

Sync up xbzrle_cache_miss_prev only after migration iteration goes
forward

Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
Message-Id: <20180604095520.8563-4-xiaoguangrong@tencent.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 migration/ram.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/migration/ram.c b/migration/ram.c
index e0d19305ee..d273a19699 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1200,9 +1200,9 @@  static void migration_bitmap_sync(RAMState *rs)
                    (double)(xbzrle_counters.cache_miss -
                             rs->xbzrle_cache_miss_prev) /
                    (rs->iterations - rs->iterations_prev);
+                rs->xbzrle_cache_miss_prev = xbzrle_counters.cache_miss;
             }
             rs->iterations_prev = rs->iterations;
-            rs->xbzrle_cache_miss_prev = xbzrle_counters.cache_miss;
         }
 
         /* reset period counters */