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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, kwolf@redhat.com, den@openvz.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/31/19 12:31 PM, Vladimir Sementsov-Ogievskiy wrote: > Two testcases with persistent bitmaps are not added here, as there are > bugs to be fixed soon. > > Signed-off-by: Vladimir Sementsov-Ogievskiy > --- > tests/qemu-iotests/255 | 84 ++++++++++++++++++++++++++++++++++++++ > tests/qemu-iotests/255.out | 17 ++++++++ > tests/qemu-iotests/group | 1 + > 3 files changed, 102 insertions(+) > create mode 100755 tests/qemu-iotests/255 > create mode 100644 tests/qemu-iotests/255.out > > diff --git a/tests/qemu-iotests/255 b/tests/qemu-iotests/255 > new file mode 100755 > index 0000000000..1b3c081a68 > --- /dev/null > +++ b/tests/qemu-iotests/255 > @@ -0,0 +1,84 @@ > +#!/usr/bin/env python > +# > +# Tests for temporary external snapshot when we have bitmaps. > +# > +# Copyright (c) 2019 Virtuozzo International GmbH. All rights reserved. > +# > +# 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 iotests > +from iotests import qemu_img_create, file_path, log > + > +iotests.verify_image_format(supported_fmts=['qcow2']) > + > +base, top = file_path('base', 'top') > +size = 64 * 1024 * 3 > + > + > +def print_bitmap(msg, vm): > + result = vm.qmp('query-block')['return'][0] > + if 'dirty-bitmaps' in result: > + bitmap = result['dirty-bitmaps'][0] > + log('{}: name={} dirty-clusters={}'.format(msg, bitmap['name'], > + bitmap['count'] // 64 // 1024)) > + else: > + log(msg + ': not found') > + > + > +def test(persistent, restart): > + assert persistent or not restart > + log("\nTestcase {}persistent {} restart\n".format( > + '' if persistent else 'non-', 'with' if restart else 'without')) > + > + qemu_img_create('-f', iotests.imgfmt, base, str(size)) > + > + vm = iotests.VM().add_drive(base) > + vm.launch() > + > + vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0', > + persistent=persistent) > + vm.hmp_qemu_io('drive0', 'write 0 64K') > + print_bitmap('initial bitmap', vm) > + > + vm.qmp_log('blockdev-snapshot-sync', device='drive0', snapshot_file=top, > + format=iotests.imgfmt, filters=[iotests.filter_qmp_testfiles]) > + vm.hmp_qemu_io('drive0', 'write 64K 512') > + print_bitmap('check that no bitmaps are in snapshot', vm) > + > + if restart: > + log("... Restart ...") > + vm.shutdown() > + vm = iotests.VM().add_drive(top) > + vm.launch() > + > + vm.qmp_log('block-commit', device='drive0', top=top, > + filters=[iotests.filter_qmp_testfiles]) > + ev = vm.event_wait_log(['BLOCK_JOB_READY', 'BLOCK_JOB_COMPLETED']) > + if (ev['event'] == 'BLOCK_JOB_COMPLETED'): > + vm.shutdown() > + log(vm.get_log()) > + exit() > + What's the purpose of this conditional? what causes the difference in behavior that we need to handle it? > + vm.qmp_log('block-job-complete', device='drive0') > + vm.event_wait_log('BLOCK_JOB_COMPLETED') > + print_bitmap('check bitmap after commit', vm) > + > + vm.hmp_qemu_io('drive0', 'write 128K 64K') > + print_bitmap('check updated bitmap', vm) > + > + vm.shutdown() > + > + > +test(persistent=False, restart=False) > diff --git a/tests/qemu-iotests/255.out b/tests/qemu-iotests/255.out > new file mode 100644 > index 0000000000..5239d27c46 > --- /dev/null > +++ b/tests/qemu-iotests/255.out > @@ -0,0 +1,17 @@ > + > +Testcase non-persistent without restart > + > +{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0", "persistent": false}} > +{"return": {}} > +initial bitmap: name=bitmap0 dirty-clusters=1 > +{"execute": "blockdev-snapshot-sync", "arguments": {"device": "drive0", "format": "qcow2", "snapshot-file": "TEST_DIR/PID-top"}} > +{"return": {}} > +check that no bitmaps are in snapshot: not found > +{"execute": "block-commit", "arguments": {"device": "drive0", "top": "TEST_DIR/PID-top"}} > +{"return": {}} > +{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} > +{"execute": "block-job-complete", "arguments": {"device": "drive0"}} > +{"return": {}} > +{"data": {"device": "drive0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} > +check bitmap after commit: name=bitmap0 dirty-clusters=2 > +check updated bitmap: name=bitmap0 dirty-clusters=3 > diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group > index 859c4b5e9f..88049ad46c 100644 > --- a/tests/qemu-iotests/group > +++ b/tests/qemu-iotests/group > @@ -265,3 +265,4 @@ > 252 rw auto backing quick > 253 rw auto quick > 254 rw auto backing quick > +255 rw auto quick >