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From: Thomas Huth <thuth@redhat.com>
To: qemu-devel@nongnu.org, Cornelia Huck <cohuck@redhat.com>
Cc: qemu-s390x@nongnu.org,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Wainer dos Santos Moschetta" <wainersm@redhat.com>,
	"Cleber Rosa" <crosa@redhat.com>
Subject: [PATCH v2 3/3] tests/acceptance: Test the virtio-balloon device on s390x
Date: Tue, 15 Dec 2020 19:36:23 +0100	[thread overview]
Message-ID: <20201215183623.110128-4-thuth@redhat.com> (raw)
In-Reply-To: <20201215183623.110128-1-thuth@redhat.com>

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>
---
 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')
-- 
2.27.0



  parent reply	other threads:[~2020-12-15 18:41 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-15 18:36 [PATCH v2 0/3] tests/acceptance: Test virtio-rng and -balloon on s390x Thomas Huth
2020-12-15 18:36 ` [PATCH v2 1/3] tests/acceptance: Extract the code to clear dmesg and wait for CRW reports Thomas Huth
2020-12-15 18:36 ` [PATCH v2 2/3] tests/acceptance: Test virtio-rng on s390 via /dev/hwrng Thomas Huth
2020-12-15 18:36 ` Thomas Huth [this message]
2020-12-17 17:51 ` [PATCH v2 0/3] tests/acceptance: Test virtio-rng and -balloon on s390x Cornelia Huck

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