tests/functional/test_virtio_balloon.py

3 # virtio-balloon tests
6 # later.  See the COPYING file in the top-level directory.
31          '/31/Cloud/x86_64/images/Fedora-Cloud-Base-31-1.9.x86_64.qcow2'),
41             failure_message="Kernel panic - not syncing",
50         # Synchronize on virtio-block driver creating the root device
52                         "while ! (dmesg -c | grep vda:) ; do sleep 1 ; done",
59         exec_command_and_wait_for_pattern(self, "modprobe virtio-balloon",
63         ret = self.vm.qmp('qom-get',
65                            'property': 'guest-stats'})['return']
66         when = ret.get('last-update')
74         # there can be a delay between virtio-ballon driver
77         retries = 10
79         while when == 0 and retries:
80             ret = self.vm.qmp('qom-get',
82                                'property': 'guest-stats'})['return']
83             when = ret.get('last-update')
85                 retries = retries - 1
94             "stat-available-memory",
95             "stat-disk-caches",
96             "stat-free-memory",
97             "stat-htlb-pgalloc",
98             "stat-htlb-pgfail",
99             "stat-major-faults",
100             "stat-minor-faults",
101             "stat-swap-in",
102             "stat-swap-out",
103             "stat-total-memory",
119         self.vm.add_args("-S")
120         self.vm.add_args("-cpu", "max")
121         self.vm.add_args("-m", "2G")
125         self.vm.add_args("-boot", "menu=on")
126         self.vm.add_args("-accel", "kvm")
127         self.vm.add_args("-device", "virtio-balloon,id=balloon")
128         self.vm.add_args('-drive',
130         self.vm.add_args('-device', 'virtio-blk-pci,bus=pcie.0,' +
131                          'drive=drv0,id=virtio-disk0,bootindex=1')
134             "-kernel",
136             "-initrd",
138             "-append",
144         self.vm.qmp('qom-set',
146                      'property': 'guest-stats-polling-interval',
160         # rely on '-boot menu=on' to (hopefully) ensure we're
162         # 'stop', and thus have not loaded the virtio-balloon