From d986bc4a1c2de68dbb056b1b761a863dc47313ee Mon Sep 17 00:00:00 2001 From: Thomas Huth Date: Tue, 15 Dec 2020 19:36:23 +0100 Subject: [PATCH] tests/acceptance: Test the virtio-balloon device on s390x Inflate the balloon and check whether the size of the memory changes. Reviewed-by: Wainer dos Santos Moschetta Reviewed-by: Willian Rampazzo Tested-by: Willian Rampazzo Signed-off-by: Thomas Huth Message-Id: <20201215183623.110128-4-thuth@redhat.com> Signed-off-by: Cornelia Huck --- tests/acceptance/machine_s390_ccw_virtio.py | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) 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')