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Diffstat (limited to 'migration/ram.c')
-rw-r--r--migration/ram.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/migration/ram.c b/migration/ram.c
index 719425b9b8..de1e0a3b18 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -576,18 +576,18 @@ static inline bool migration_bitmap_clear_dirty(ram_addr_t addr)
return ret;
}
+static int64_t num_dirty_pages_period;
static void migration_bitmap_sync_range(ram_addr_t start, ram_addr_t length)
{
unsigned long *bitmap;
bitmap = atomic_rcu_read(&migration_bitmap_rcu)->bmap;
- migration_dirty_pages +=
- cpu_physical_memory_sync_dirty_bitmap(bitmap, start, length);
+ migration_dirty_pages += cpu_physical_memory_sync_dirty_bitmap(bitmap,
+ start, length, &num_dirty_pages_period);
}
/* Fix me: there are too many global variables used in migration process. */
static int64_t start_time;
static int64_t bytes_xfer_prev;
-static int64_t num_dirty_pages_period;
static uint64_t xbzrle_cache_miss_prev;
static uint64_t iterations_prev;
@@ -620,7 +620,6 @@ uint64_t ram_pagesize_summary(void)
static void migration_bitmap_sync(void)
{
RAMBlock *block;
- uint64_t num_dirty_pages_init = migration_dirty_pages;
MigrationState *s = migrate_get_current();
int64_t end_time;
int64_t bytes_xfer_now;
@@ -646,9 +645,8 @@ static void migration_bitmap_sync(void)
rcu_read_unlock();
qemu_mutex_unlock(&migration_bitmap_mutex);
- trace_migration_bitmap_sync_end(migration_dirty_pages
- - num_dirty_pages_init);
- num_dirty_pages_period += migration_dirty_pages - num_dirty_pages_init;
+ trace_migration_bitmap_sync_end(num_dirty_pages_period);
+
end_time = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
/* more than 1 second = 1000 millisecons */