3 files changed, 27 insertions, 1 deletions

diff --git a/migration.c b/migration.c
index ca397faf7..cccc2d159 100644
--- a/migration.c
+++ b/migration.c
@@ -109,6 +109,9 @@ void do_info_migrate(Monitor *mon)
         switch (s->get_status(s)) {
         case MIG_STATE_ACTIVE:
             monitor_printf(mon, "active\n");
+            monitor_printf(mon, "transferred ram: %" PRIu64 " kbytes\n", ram_bytes_transferred() >> 10);
+            monitor_printf(mon, "remaining ram: %" PRIu64 " kbytes\n", ram_bytes_remaining() >> 10);
+            monitor_printf(mon, "total ram: %" PRIu64 " kbytes\n", ram_bytes_total() >> 10);
             break;
         case MIG_STATE_COMPLETED:
             monitor_printf(mon, "completed\n");
diff --git a/sysemu.h b/sysemu.h
index 4063533f2..a1dadaa42 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -28,6 +28,10 @@ void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
 void vm_start(void);
 void vm_stop(int reason);
 
+uint64_t ram_bytes_remaining(void);
+uint64_t ram_bytes_transferred(void);
+uint64_t ram_bytes_total(void);
+
 int64_t cpu_get_ticks(void);
 void cpu_enable_ticks(void);
 void cpu_disable_ticks(void);
diff --git a/vl.c b/vl.c
index a24692c42..5dfeb46b6 100644
--- a/vl.c
+++ b/vl.c
@@ -3234,6 +3234,7 @@ static int ram_save_block(QEMUFile *f)
 }
 
 static ram_addr_t ram_save_threshold = 10;
+static uint64_t bytes_transferred = 0;
 
 static ram_addr_t ram_save_remaining(void)
 {
@@ -3248,6 +3249,21 @@ static ram_addr_t ram_save_remaining(void)
     return count;
 }
 
+uint64_t ram_bytes_remaining(void)
+{
+    return ram_save_remaining() * TARGET_PAGE_SIZE;
+}
+
+uint64_t ram_bytes_transferred(void)
+{
+    return bytes_transferred;
+}
+
+uint64_t ram_bytes_total(void)
+{
+    return last_ram_offset;
+}
+
 static int ram_save_live(QEMUFile *f, int stage, void *opaque)
 {
     ram_addr_t addr;
@@ -3269,6 +3285,7 @@ static int ram_save_live(QEMUFile *f, int stage, void *opaque)
         int ret;
 
         ret = ram_save_block(f);
+        bytes_transferred += ret * TARGET_PAGE_SIZE;
         if (ret == 0) /* no more blocks */
             break;
     }
@@ -3278,7 +3295,9 @@ static int ram_save_live(QEMUFile *f, int stage, void *opaque)
     if (stage == 3) {
 
         /* flush all remaining blocks regardless of rate limiting */
-        while (ram_save_block(f) != 0);
+        while (ram_save_block(f) != 0) {
+            bytes_transferred += TARGET_PAGE_SIZE;
+        }
         cpu_physical_memory_set_dirty_tracking(0);
     }