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-rw-r--r--tests/acceptance/machine_s390_ccw_virtio.py12
1 files changed, 11 insertions, 1 deletions
diff --git a/tests/acceptance/machine_s390_ccw_virtio.py b/tests/acceptance/machine_s390_ccw_virtio.py
index e1ad0e29b0..abe25a08f0 100644
--- a/tests/acceptance/machine_s390_ccw_virtio.py
+++ b/tests/acceptance/machine_s390_ccw_virtio.py
@@ -70,7 +70,8 @@ class S390CCWVirtioMachine(Test):
'-device', 'zpci,uid=5,target=zzz',
'-device', 'virtio-net-pci,id=zzz',
'-device', 'zpci,uid=0xa,fid=12,target=serial',
- '-device', 'virtio-serial-pci,id=serial')
+ '-device', 'virtio-serial-pci,id=serial',
+ '-device', 'virtio-balloon-ccw')
self.vm.launch()
shell_ready = "sh: can't access tty; job control turned off"
@@ -140,3 +141,12 @@ class S390CCWVirtioMachine(Test):
exec_command_and_wait_for_pattern(self,
'ls /sys/bus/ccw/devices/0.0.4711',
'No such file or directory')
+ # test the virtio-balloon device
+ exec_command_and_wait_for_pattern(self, 'head -n 1 /proc/meminfo',
+ 'MemTotal: 115640 kB')
+ self.vm.command('human-monitor-command', command_line='balloon 96')
+ exec_command_and_wait_for_pattern(self, 'head -n 1 /proc/meminfo',
+ 'MemTotal: 82872 kB')
+ self.vm.command('human-monitor-command', command_line='balloon 128')
+ exec_command_and_wait_for_pattern(self, 'head -n 1 /proc/meminfo',
+ 'MemTotal: 115640 kB')