From 71411d358000cf90ced348b1ce9142c13b5a93cd Mon Sep 17 00:00:00 2001 From: ChenLiang Date: Fri, 4 Apr 2014 17:57:54 +0800 Subject: migration: Add counts of updating the dirty bitmap Add counts to log the times of updating the dirty bitmap. Signed-off-by: ChenLiang Signed-off-by: Gonglei Reviewed-by: Eric Blake Signed-off-by: Juan Quintela --- arch_init.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch_init.c') diff --git a/arch_init.c b/arch_init.c index 0ffecee7fb..c02bce65f6 100644 --- a/arch_init.c +++ b/arch_init.c @@ -111,6 +111,8 @@ static bool mig_throttle_on; 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 @@ static void migration_bitmap_sync(void) 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 @@ static int ram_save_setup(QEMUFile *f, void *opaque) mig_throttle_on = false; dirty_rate_high_cnt = 0; + bitmap_sync_count = 0; if (migrate_use_xbzrle()) { XBZRLE_cache_lock(); -- cgit v1.2.1