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tests/acceptance: Test the virtio-balloon device on s390x

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Inflate the balloon and check whether the size of the memory changes.

Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Tested-by: Willian Rampazzo <willianr@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201215183623.110128-4-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Thomas Huth 2020-12-15 19:36:23 +01:00 committed by Cornelia Huck
parent 7e549424f0
commit d986bc4a1c
1 changed files with 11 additions and 1 deletions
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12
tests/acceptance/machine_s390_ccw_virtio.py
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@ -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')