From nobody Wed Nov 5 10:02:17 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 14997046933101016.7441814567355; Mon, 10 Jul 2017 09:38:13 -0700 (PDT) Received: from localhost ([::1]:41955 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dUbhK-0006Uv-T6 for importer@patchew.org; Mon, 10 Jul 2017 12:38:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47104) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dUba5-0000f7-PF for qemu-devel@nongnu.org; Mon, 10 Jul 2017 12:30:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dUba3-0001OU-1G for qemu-devel@nongnu.org; Mon, 10 Jul 2017 12:30:41 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:30746 helo=relay.sw.ru) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dUba2-0001MD-Eu; Mon, 10 Jul 2017 12:30:38 -0400 Received: from kvm.sw.ru (msk-vpn.virtuozzo.com [195.214.232.6]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id v6AGUTIs031112; Mon, 10 Jul 2017 19:30:33 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org, qemu-devel@nongnu.org Date: Mon, 10 Jul 2017 19:30:29 +0300 Message-Id: <20170710163029.129912-17-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20170710163029.129912-1-vsementsov@virtuozzo.com> References: <20170710163029.129912-1-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x [fuzzy] X-Received-From: 195.214.232.25 Subject: [Qemu-devel] [PATCH v7 16/16] iotests: add dirty bitmap postcopy test X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, vsementsov@virtuozzo.com, famz@redhat.com, lirans@il.ibm.com, quintela@redhat.com, jsnow@redhat.com, armbru@redhat.com, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, amit.shah@redhat.com, pbonzini@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Test - start two vms (vm_a, vm_b) - in a - do writes from set A - do writes from set B - fix bitmap sha256 - clear bitmap - do writes from set A - start migration - than, in b - wait vm start (postcopy should start) - do writes from set B - check bitmap sha256 The test should verify postcopy migration and then merging with delta (changes in target, during postcopy process). Reduce supported cache modes to only 'none', because with cache on time from source.STOP to target.RESUME is unpredictable and we can fail with timout while waiting for target.RESUME. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz --- tests/qemu-iotests/169 | 74 +++++++++++++++++++++++++++++++++++++--= ---- tests/qemu-iotests/169.out | 4 +-- tests/qemu-iotests/iotests.py | 7 +++- 3 files changed, 72 insertions(+), 13 deletions(-) diff --git a/tests/qemu-iotests/169 b/tests/qemu-iotests/169 index ec6cd46a4d..333df58e0d 100755 --- a/tests/qemu-iotests/169 +++ b/tests/qemu-iotests/169 @@ -29,8 +29,14 @@ fifo =3D os.path.join(iotests.test_dir, 'mig_fifo') =20 class TestDirtyBitmapMigration(iotests.QMPTestCase): =20 - def setUp(self): - size =3D 0x400000000 # 1G + def tearDown(self): + self.vm_a.shutdown() + self.vm_b.shutdown() + os.remove(disk_a) + os.remove(disk_b) + os.remove(fifo) + + def init(self, size): os.mkfifo(fifo) qemu_img('create', '-f', iotests.imgfmt, disk_a, str(size)) qemu_img('create', '-f', iotests.imgfmt, disk_b, str(size)) @@ -40,14 +46,8 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase): self.vm_a.launch() self.vm_b.launch() =20 - 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): + self.init(0x400000000) # 1G granularity =3D 512 regions =3D [ { 'start': 0, 'count': 0x100000 }, @@ -81,6 +81,60 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase): node=3D'drive0', name=3D'bitmap') self.assert_qmp(result, 'return/sha256', sha256); =20 + def test_postcopy(self): + self.init(0x4000000000) # 256G + write_size =3D 0x40000000 + granularity =3D 512 + chunk =3D 4096 + + result =3D self.vm_a.qmp('block-dirty-bitmap-add', node=3D'drive0', + name=3D'bitmap', granularity=3Dgranularity) + self.assert_qmp(result, 'return', {}); + + s =3D 0 + while s < write_size: + self.vm_a.hmp_qemu_io('drive0', 'write %d %d' % (s, chunk)) + s +=3D 0x10000 + s =3D 0x8000 + while s < write_size: + self.vm_a.hmp_qemu_io('drive0', 'write %d %d' % (s, chunk)) + s +=3D 0x10000 + + result =3D self.vm_a.qmp('x-debug-block-dirty-bitmap-sha256', + node=3D'drive0', name=3D'bitmap') + sha256 =3D result['return']['sha256'] + + result =3D self.vm_a.qmp('block-dirty-bitmap-clear', node=3D'drive= 0', + name=3D'bitmap') + self.assert_qmp(result, 'return', {}); + s =3D 0 + while s < write_size: + self.vm_a.hmp_qemu_io('drive0', 'write %d %d' % (s, chunk)) + s +=3D 0x10000 + + result =3D self.vm_a.qmp('migrate-set-capabilities', + capabilities=3D[{'capability': 'dirty-bitma= ps', + 'state': True}]) + self.assert_qmp(result, 'return', {}) + + result =3D self.vm_a.qmp('migrate', uri=3D'exec:cat>' + fifo) + self.assertNotEqual(self.vm_a.event_wait("STOP"), None) + self.assertNotEqual(self.vm_b.event_wait("RESUME"), None) + + s =3D 0x8000 + while s < write_size: + self.vm_b.hmp_qemu_io('drive0', 'write %d %d' % (s, chunk)) + s +=3D 0x10000 + + result =3D self.vm_b.qmp('query-block'); + while len(result['return'][0]['dirty-bitmaps']) > 1: + time.sleep(2) + result =3D self.vm_b.qmp('query-block'); + + result =3D self.vm_b.qmp('x-debug-block-dirty-bitmap-sha256', + node=3D'drive0', name=3D'bitmap') + + self.assert_qmp(result, 'return/sha256', sha256); =20 if __name__ =3D=3D '__main__': - iotests.main() + iotests.main(supported_fmts=3D['qcow2'], supported_cache_modes=3D['non= e']) diff --git a/tests/qemu-iotests/169.out b/tests/qemu-iotests/169.out index ae1213e6f8..fbc63e62f8 100644 --- a/tests/qemu-iotests/169.out +++ b/tests/qemu-iotests/169.out @@ -1,5 +1,5 @@ -. +.. ---------------------------------------------------------------------- -Ran 1 tests +Ran 2 tests =20 OK diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 3dcf539730..3a0b40f8e9 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -371,6 +371,10 @@ def verify_platform(supported_oses=3D['linux']): if True not in [sys.platform.startswith(x) for x in supported_oses]: notrun('not suitable for this OS: %s' % sys.platform) =20 +def verify_cache_mode(supported_cache_modes=3D[]): + if supported_cache_modes and (cachemode not in supported_cache_modes): + notrun('not suitable for this cache mode: %s' % cachemode) + def supports_quorum(): return 'quorum' in qemu_img_pipe('--help') =20 @@ -379,7 +383,7 @@ def verify_quorum(): if not supports_quorum(): notrun('quorum support missing') =20 -def main(supported_fmts=3D[], supported_oses=3D['linux']): +def main(supported_fmts=3D[], supported_oses=3D['linux'], supported_cache_= modes=3D[]): '''Run tests''' =20 global debug @@ -396,6 +400,7 @@ def main(supported_fmts=3D[], supported_oses=3D['linux'= ]): verbosity =3D 1 verify_image_format(supported_fmts) verify_platform(supported_oses) + verify_cache_mode(supported_cache_modes) =20 # We need to filter out the time taken from the output so that qemu-io= test # can reliably diff the results against master output. --=20 2.11.1