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From 8c4af840ec684f51a9159ab65550653600ade7e8 Mon Sep 17 00:00:00 2001
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From: Stefan Hajnoczi <stefanha@redhat.com>
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Date: Fri, 22 Dec 2017 11:09:00 +0100
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Subject: [PATCH 42/42] qemu-iotests: add 203 savevm with IOThreads test
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RH-Author: Stefan Hajnoczi <stefanha@redhat.com>
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Message-id: <20171222110900.24813-21-stefanha@redhat.com>
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Patchwork-id: 78502
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O-Subject: [RHV7.5 qemu-kvm-rhev PATCH 20/20] qemu-iotests: add 203 savevm with IOThreads test
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Bugzilla: 1519721
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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This test case will prevent future regressions with savevm and
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IOThreads.
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Message-id: 20171207201320.19284-7-stefanha@redhat.com
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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(cherry picked from commit 7a9dda0d7f9831c2432620dcfefdadbb7ae888dc)
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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tests/qemu-iotests/203 | 59 ++++++++++++++++++++++++++++++++++++++++++++++
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tests/qemu-iotests/203.out | 6 +++++
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tests/qemu-iotests/group | 1 +
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3 files changed, 66 insertions(+)
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create mode 100755 tests/qemu-iotests/203
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create mode 100644 tests/qemu-iotests/203.out
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diff --git a/tests/qemu-iotests/203 b/tests/qemu-iotests/203
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new file mode 100755
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index 0000000..2c81191
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--- /dev/null
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+++ b/tests/qemu-iotests/203
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@@ -0,0 +1,59 @@
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+#!/usr/bin/env python
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+#
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+# Copyright (C) 2017 Red Hat, Inc.
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+#
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <http://www.gnu.org/licenses/>.
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+#
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+# Creator/Owner: Stefan Hajnoczi <stefanha@redhat.com>
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+#
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+# Check that QMP 'migrate' with multiple drives on a single IOThread completes
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+# successfully. This particular command triggered a hang in the source QEMU
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+# process due to recursive AioContext locking in bdrv_invalidate_all() and
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+# BDRV_POLL_WHILE().
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+
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+import iotests
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+
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+iotests.verify_image_format(supported_fmts=['qcow2'])
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+iotests.verify_platform(['linux'])
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+
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+with iotests.FilePath('disk0.img') as disk0_img_path, \
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+ iotests.FilePath('disk1.img') as disk1_img_path, \
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+ iotests.VM() as vm:
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+
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+ img_size = '10M'
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+ iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, disk0_img_path, img_size)
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+ iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, disk1_img_path, img_size)
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+
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+ iotests.log('Launching VM...')
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+ (vm.add_object('iothread,id=iothread0')
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+ .add_drive(disk0_img_path, 'node-name=drive0-node', interface='none')
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+ .add_drive(disk1_img_path, 'node-name=drive1-node', interface='none')
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+ .launch())
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+
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+ iotests.log('Setting IOThreads...')
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+ iotests.log(vm.qmp('x-blockdev-set-iothread',
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+ node_name='drive0-node', iothread='iothread0',
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+ force=True))
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+ iotests.log(vm.qmp('x-blockdev-set-iothread',
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+ node_name='drive1-node', iothread='iothread0',
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+ force=True))
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+
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+ iotests.log('Starting migration...')
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+ iotests.log(vm.qmp('migrate', uri='exec:cat >/dev/null'))
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+ while True:
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+ vm.get_qmp_event(wait=60.0)
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+ result = vm.qmp('query-migrate')
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+ status = result.get('return', {}).get('status', None)
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+ if status == 'completed':
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+ break
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diff --git a/tests/qemu-iotests/203.out b/tests/qemu-iotests/203.out
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new file mode 100644
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index 0000000..3f1ff90
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--- /dev/null
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+++ b/tests/qemu-iotests/203.out
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@@ -0,0 +1,6 @@
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+Launching VM...
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+Setting IOThreads...
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+{u'return': {}}
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+{u'return': {}}
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+Starting migration...
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+{u'return': {}}
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diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
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index 8d3752c..67b197e 100644
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--- a/tests/qemu-iotests/group
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+++ b/tests/qemu-iotests/group
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@@ -192,3 +192,4 @@
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198 rw auto
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200 rw auto
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202 rw auto quick
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+203 rw auto
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--
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1.8.3.1
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