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[Qemu-block] [PATCH 26/29] iotests: test qcow2 persistent dirty bitmap
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-block] [PATCH 26/29] iotests: test qcow2 persistent dirty bitmap |
Date: |
Mon, 8 Aug 2016 18:05:17 +0300 |
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
tests/qemu-iotests/160 | 87 +++++++++++++++++++++++++++++++++++++++++++
tests/qemu-iotests/160.out | 5 +++
tests/qemu-iotests/group | 1 +
tests/qemu-iotests/iotests.py | 6 +++
4 files changed, 99 insertions(+)
create mode 100755 tests/qemu-iotests/160
create mode 100644 tests/qemu-iotests/160.out
diff --git a/tests/qemu-iotests/160 b/tests/qemu-iotests/160
new file mode 100755
index 0000000..a69799c
--- /dev/null
+++ b/tests/qemu-iotests/160
@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+#
+# Tests for persistent dirty bitmaps.
+#
+# Copyright: Vladimir Sementsov-Ogievskiy 2015-2016
+#
+# 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
+from iotests import qemu_img
+
+disk = os.path.join(iotests.test_dir, 'disk')
+disk_size = 0x40000000 # 1G
+
+# regions for qemu_io: (start, count) in bytes
+regions1 = ((0, 0x100000),
+ (0x200000, 0x100000))
+
+regions2 = ((0x10000000, 0x20000),
+ (0x39990000, 0x10000))
+
+class TestPersistentDirtyBitmap(iotests.QMPTestCase):
+
+ def setUp(self):
+ qemu_img('create', '-f', iotests.imgfmt, disk, str(disk_size))
+
+ def tearDown(self):
+ os.remove(disk)
+
+ def mkVm(self):
+ return iotests.VM().add_drive(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)
+
+ def qmpAddBitmap(self):
+ self.vm.qmp('block-dirty-bitmap-add', node='drive0',
+ name='bitmap0', persistent=True, autoload=True)
+
+ def test_persistent(self):
+ self.vm = self.mkVm()
+ self.vm.launch()
+ self.qmpAddBitmap()
+
+ self.writeRegions(regions1)
+ md5 = self.getMd5()
+
+ self.vm.shutdown()
+ self.vm = self.mkVm()
+ self.vm.launch()
+
+ self.checkBitmap(md5)
+ self.writeRegions(regions2)
+ md5 = self.getMd5()
+
+ self.vm.shutdown()
+ self.vm.launch()
+
+ self.checkBitmap(md5)
+
+ self.vm.shutdown()
+
+if __name__ == '__main__':
+ iotests.main(supported_fmts=['qcow2'])
diff --git a/tests/qemu-iotests/160.out b/tests/qemu-iotests/160.out
new file mode 100644
index 0000000..ae1213e
--- /dev/null
+++ b/tests/qemu-iotests/160.out
@@ -0,0 +1,5 @@
+.
+----------------------------------------------------------------------
+Ran 1 tests
+
+OK
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 3a3973e..b5cd18b 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -157,3 +157,4 @@
155 rw auto
156 rw auto quick
157 auto
+160 rw auto quick
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index dbe0ee5..95da7a0 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -159,6 +159,12 @@ class VM(qtest.QEMUQtestMachine):
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:
--
1.8.3.1
- [Qemu-block] [PATCH v6 00/29] qcow2: persistent dirty bitmaps, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 28/29] qcow2-bitmap: do not try reloading bitmaps, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 07/29] qcow2-bitmap: add qcow2_bitmap_load(), Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 26/29] iotests: test qcow2 persistent dirty bitmap,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-block] [PATCH 21/29] qcow2-bitmap: add EXTRA_DATA_COMPATIBLE flag, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 13/29] qcow2: add dirty bitmaps extension, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 27/29] qcow2-bitmap: delete in_use bitmaps on image load, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 22/29] qmp: add persistent flag to block-dirty-bitmap-add, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 24/29] qcow2-bitmap: maintian BlockDirtyBitmap.autoload, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 01/29] hbitmap: fix dirty iter, Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 14/29] qcow2-bitmap: add qcow2_bitmap_load_check(), Vladimir Sementsov-Ogievskiy, 2016/08/08
- [Qemu-block] [PATCH 15/29] block/dirty-bitmap: introduce persistent bitmaps, Vladimir Sementsov-Ogievskiy, 2016/08/08