hv_check_cpu_utilization: migration windows guest with all flags

check cpu utilization after migration
Signed-off-by: NYu Wang <wyu@redhat.com>

qemu/tests/cfg/hv_check_cpu_utilization.cfg

@@ -18,3 +18,7 @@
     thread_process_cmd = "cat fixed-top-pc-result |grep %s|awk -F ' ' '    {print $9;}'|awk '{sum+=$1} END {print sum/NR}'"
     thread_cpu_level = 5
     post_command = rm -f fixed-top-pc-result
+    variants:
+        - @default:
+        - with_migration:
+            do_migration = yes

qemu/tests/hv_check_cpu_utilization.py

@@ -105,6 +105,7 @@ def run(test, params, env):
     guest_check_timeout = host_check_times * host_check_interval
     thread_cpu_level = params.get_numeric("thread_cpu_level", 5)
     session = vm.wait_for_serial_login(timeout=timeout)
+    do_migration = params.get("do_migration", "no") == "yes"
 
     service_names = params.get("serives_to_stop").split()
 
@@ -117,6 +118,10 @@ def run(test, params, env):
 
     session = vm.reboot(session, timeout=timeout, serial=True)
 
+    if do_migration:
+        vm.migrate(env=env)
+        session = vm.wait_for_serial_login(timeout=timeout)
+
     # wait for the guest to chill
     time.sleep(900)