new file mode 100755
@@ -0,0 +1,112 @@
+#!/usr/bin/env python
+#
+# Tests for persistent dirty bitmaps.
+#
+# Copyright: Vladimir Sementsov-Ogievskiy 2015
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import os
+import iotests
+import time
+from iotests import qemu_img
+
+disk = os.path.join(iotests.test_dir, 'disk')
+
+size = 0x40000000 # 1G
+sector_size = 512
+granularity = 0x10000
+regions1 = [
+ { 'start': 0, 'count': 0x100000 },
+ { 'start': 0x200000, 'count': 0x100000 }
+ ]
+regions2 = [
+ { 'start': 0x10000000, 'count': 0x20000 },
+ { 'start': 0x39990000, 'count': 0x10000 }
+ ]
+
+class TestPersistentDirtyBitmap(iotests.QMPTestCase):
+
+ def setUp(self):
+ qemu_img('create', '-f', iotests.imgfmt, disk, str(size))
+
+ def mkVm(self, create_bitmap):
+ vm = iotests.VM().add_drive(disk)
+ vm.add_dirty_bitmap('12300000-0000-0000-1230-000001230000', 'drive0', create_bitmap)
+ return vm
+
+ def tearDown(self):
+ os.remove(disk)
+
+ def getMd5(self):
+ result = self.vm.qmp('query-block');
+ return result['return'][0]['dirty-bitmaps'][0]['md5']
+
+ def checkBitmap(self, md5):
+ result = self.vm.qmp('query-block');
+ self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/md5', md5);
+
+ def writeRegions(self, regions):
+ for r in regions:
+ self.vm.hmp_qemu_io('drive0',
+ 'write %d %d' % (r['start'], r['count']))
+
+ def test_persistent(self):
+ self.vm = self.mkVm(True)
+ self.vm.launch()
+
+ self.writeRegions(regions1)
+ md5 = self.getMd5()
+
+ self.vm.shutdown()
+ self.vm = self.mkVm(False)
+ self.vm.launch()
+
+ self.checkBitmap(md5)
+ self.writeRegions(regions2)
+ md5 = self.getMd5()
+
+ self.vm.shutdown()
+ self.vm.launch()
+
+ self.checkBitmap(md5)
+
+ self.vm.shutdown()
+
+ def test_not_exist(self):
+ vm = self.mkVm(False)
+ vm.test_launch()
+
+ def test_already_exists(self):
+ vm = self.mkVm(True)
+ vm.test_launch()
+ vm.test_launch()
+
+ def test_in_use(self):
+ vm = self.mkVm(True)
+ vm.launch()
+ vm.shutdown()
+
+ vm1 = self.mkVm(False)
+ vm1.launch()
+
+ vm2 = self.mkVm(False)
+ vm2.test_launch()
+
+ vm1.shutdown()
+
+
+if __name__ == '__main__':
+ iotests.main()
new file mode 100644
@@ -0,0 +1,21 @@
+....
+----------------------------------------------------------------------
+Ran 4 tests
+
+OK
+Tast launch successed!
+Test launch failed: 1
+--- qemu output ---
+qemu-system-*: -dirty-bitmap name=12300000-0000-0000-1230-000001230000,node=drive0,create=on: bitmap '12300000-0000-0000-1230-000001230000' already exists
+
+--- end qemu output ---
+Test launch failed: 1
+--- qemu output ---
+qemu-system-*: -dirty-bitmap name=12300000-0000-0000-1230-000001230000,node=drive0,create=off: Bitmap '12300000-0000-0000-1230-000001230000' is in use
+
+--- end qemu output ---
+Test launch failed: 1
+--- qemu output ---
+qemu-system-*: -dirty-bitmap name=12300000-0000-0000-1230-000001230000,node=drive0,create=off: Could not find bitmap '12300000-0000-0000-1230-000001230000' in the node 'drive0'
+
+--- end qemu output ---
@@ -150,3 +150,4 @@
145 auto quick
146 auto quick
148 rw auto quick
+160 rw auto quick
@@ -166,6 +166,12 @@ class VM(object):
self._num_drives += 1
return self
+ def add_dirty_bitmap(self, name, node, create=False):
+ '''Add dirty bitmap parameter to VM cmd'''
+ self._args.append('-dirty-bitmap')
+ self._args.append('name=%s,node=%s,create=%s' % (name, node, 'on' if create else 'off'))
+ return self
+
def pause_drive(self, drive, event=None):
'''Pause drive r/w operations'''
if not event:
Add simple test cases for testing persistent dirty bitmaps. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> --- tests/qemu-iotests/160 | 112 ++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/160.out | 21 ++++++++ tests/qemu-iotests/group | 1 + tests/qemu-iotests/iotests.py | 6 +++ 4 files changed, 140 insertions(+) create mode 100755 tests/qemu-iotests/160 create mode 100644 tests/qemu-iotests/160.out