From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45542) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YO5mp-00045f-Fe for qemu-devel@nongnu.org; Wed, 18 Feb 2015 09:39:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YO5mo-0001k7-2D for qemu-devel@nongnu.org; Wed, 18 Feb 2015 09:39:35 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:48945 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YO5mn-0001ix-O6 for qemu-devel@nongnu.org; Wed, 18 Feb 2015 09:39:34 -0500 From: Vladimir Sementsov-Ogievskiy Date: Wed, 18 Feb 2015 17:00:11 +0300 Message-Id: <1424268014-13293-12-git-send-email-vsementsov@parallels.com> In-Reply-To: <1424268014-13293-1-git-send-email-vsementsov@parallels.com> References: <1424268014-13293-1-git-send-email-vsementsov@parallels.com> Subject: [Qemu-devel] [PATCH RFC v3 11/14] iotests: add dirty bitmap migration test List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, quintela@redhat.com, dgilbert@redhat.com, vsementsov@parallels.com, stefanha@redhat.com, den@openvz.org, amit.shah@redhat.com, pbonzini@redhat.com The test starts two vms (vm_a, vm_b), create dirty bitmap in the first one, do several writes to corresponding device and then migrate vm_a to vm_b with dirty bitmaps. Signed-off-by: Vladimir Sementsov-Ogievskiy --- tests/qemu-iotests/117 | 88 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/117.out | 5 +++ tests/qemu-iotests/group | 1 + 3 files changed, 94 insertions(+) create mode 100755 tests/qemu-iotests/117 create mode 100644 tests/qemu-iotests/117.out diff --git a/tests/qemu-iotests/117 b/tests/qemu-iotests/117 new file mode 100755 index 0000000..61538cf --- /dev/null +++ b/tests/qemu-iotests/117 @@ -0,0 +1,88 @@ +#!/usr/bin/env python +# +# Tests for dirty bitmaps migration. +# +# (C) 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 . +# + +import os +import iotests +import time +from iotests import qemu_img + +disk_a = os.path.join(iotests.test_dir, 'disk_a') +disk_b = os.path.join(iotests.test_dir, 'disk_b') +fifo = os.path.join(iotests.test_dir, 'fifo') + +size = 0x40000000 # 1G +sector_size = 512 +granularity = 0x10000 +regions = [ + { 'start': 0, 'count': 0x100000 }, + { 'start': 0x10000000, 'count': 0x20000 }, + { 'start': 0x39990000, 'count': 0x10000 } + ] + +regions_in_sectors = [ + { key: val / sector_size for (key, val) in el.items() } for el in regions] + +class TestDirtyBitmapMigration(iotests.QMPTestCase): + + def setUp(self): + os.mkfifo(fifo) + qemu_img('create', '-f', iotests.imgfmt, disk_a, str(size)) + qemu_img('create', '-f', iotests.imgfmt, disk_b, str(size)) + self.vm_a = iotests.VM().add_drive(disk_a) + self.vm_b = iotests.VM().add_drive(disk_b) + self.vm_b.add_incoming_migration("exec: cat " + fifo) + self.vm_a.launch() + self.vm_b.launch() + + def tearDown(self): + self.vm_a.shutdown() + self.vm_b.shutdown() + os.remove(disk_a) + os.remove(disk_b) + os.remove(fifo) + + def test_migration(self): + result = self.vm_a.qmp('block-dirty-bitmap-add', node='drive0', + name='bitmap', granularity=granularity) + self.assert_qmp(result, 'return', {}); + + for r in regions: + self.vm_a.hmp_qemu_io('drive0', + 'write %d %d' % (r['start'], r['count'])) + + result = self.vm_a.qmp('query-block-dirty-bitmap', node='drive0', + name='bitmap') + self.assert_qmp(result, 'return/dirty-regions', regions_in_sectors) + + result = self.vm_a.qmp('migrate-set-capabilities', + capabilities=[{'capability': 'dirty-bitmaps', + 'state': True}]) + self.assert_qmp(result, 'return', {}) + result = self.vm_a.qmp('migrate', uri='exec:cat>' + fifo) + while self.vm_a.qmp('query-migrate')['return']['status'] != 'completed': + time.sleep(1) + + result = self.vm_b.qmp('query-block-dirty-bitmap', node='drive0', + name='bitmap') + self.assert_qmp(result, 'return/dirty-regions', regions_in_sectors); + + +if __name__ == '__main__': + iotests.main() diff --git a/tests/qemu-iotests/117.out b/tests/qemu-iotests/117.out new file mode 100644 index 0000000..ae1213e --- /dev/null +++ b/tests/qemu-iotests/117.out @@ -0,0 +1,5 @@ +. +---------------------------------------------------------------------- +Ran 1 tests + +OK diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index b4ddf1b..6ad5b55 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -118,3 +118,4 @@ 113 rw auto quick 114 rw auto quick 116 rw auto quick +117 rw auto quick -- 1.9.1