1 files changed, 38 insertions, 0 deletions
diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c
new file mode 100644
index 0000000000..bf7fd24e75
--- /dev/null
+++ b/migration/dirtyrate.c
@@ -0,0 +1,38 @@
+/*
+ * Dirtyrate implement code
+ *
+ * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO.,LTD.
+ *
+ * Authors:
+ *  Chuan Zheng <zhengchuan@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "cpu.h"
+#include "qemu/config-file.h"
+#include "exec/memory.h"
+#include "exec/ramblock.h"
+#include "exec/target_page.h"
+#include "qemu/rcu_queue.h"
+#include "qapi/qapi-commands-migration.h"
+#include "migration.h"
+#include "dirtyrate.h"
+
+static void calculate_dirtyrate(struct DirtyRateConfig config)
+{
+    /* todo */
+    return;
+}
+
+void *get_dirtyrate_thread(void *arg)
+{
+    struct DirtyRateConfig config = *(struct DirtyRateConfig *)arg;
+
+    calculate_dirtyrate(config);
+
+    return NULL;
+}