commit 71411d358000cf90ced348b1ce9142c13b5a93cd
author ChenLiang <chenliang88@huawei.com> Fri Apr 04 17:57:54 2014 +0800
committer Juan Quintela <quintela@redhat.com> Mon May 05 22:15:03 2014 +0200
tree 422cf13c1f894b5205b9fd82a0213fb5dacd147b
parent 1534ee93cc6be992c05577886b24bd44c37ecff6

migration: Add counts of updating the dirty bitmap

Add counts to log the times of updating the dirty bitmap.

Signed-off-by: ChenLiang <chenliang88@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

arch_init.c

diff --git a/arch_init.c b/arch_init.c
index 0ffecee..c02bce6 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -111,6 +111,8 @@
 static int dirty_rate_high_cnt;
 static void check_guest_throttling(void);
 
+static uint64_t bitmap_sync_count;
+
 /***********************************************************/
 /* ram save/restore */
 
@@ -488,6 +490,8 @@
     int64_t end_time;
     int64_t bytes_xfer_now;
 
+    bitmap_sync_count++;
+
     if (!bytes_xfer_prev) {
         bytes_xfer_prev = ram_bytes_transferred();
     }
@@ -732,6 +736,7 @@
 
     mig_throttle_on = false;
     dirty_rate_high_cnt = 0;
+    bitmap_sync_count = 0;
 
     if (migrate_use_xbzrle()) {
         XBZRLE_cache_lock();