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qemu-iotests: Test exiting qemu with running job
When qemu is exited, all running jobs should be cancelled successfully. This adds a test for this for all types of block jobs that currently exist in qemu. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Kevin Wolf
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3 changed files with 266 additions and 0 deletions
206
tests/qemu-iotests/185
Executable file
206
tests/qemu-iotests/185
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#!/bin/bash
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#
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# Test exiting qemu while jobs are still running
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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
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owner=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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status=1 # failure is the default!
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MIG_SOCKET="${TEST_DIR}/migrate"
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_cleanup()
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{
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rm -f "${TEST_IMG}.mid"
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rm -f "${TEST_IMG}.copy"
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_cleanup_test_img
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_cleanup_qemu
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.qemu
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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size=64M
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TEST_IMG="${TEST_IMG}.base" _make_test_img $size
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echo
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echo === Starting VM ===
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echo
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qemu_comm_method="qmp"
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_launch_qemu \
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-drive file="${TEST_IMG}.base",cache=$CACHEMODE,driver=$IMGFMT,id=disk
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h=$QEMU_HANDLE
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_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" 'return'
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echo
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echo === Creating backing chain ===
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echo
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_send_qemu_cmd $h \
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"{ 'execute': 'blockdev-snapshot-sync',
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'arguments': { 'device': 'disk',
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'snapshot-file': '$TEST_IMG.mid',
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'format': '$IMGFMT',
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'mode': 'absolute-paths' } }" \
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"return"
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_send_qemu_cmd $h \
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"{ 'execute': 'human-monitor-command',
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'arguments': { 'command-line':
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'qemu-io disk \"write 0 4M\"' } }" \
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"return"
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_send_qemu_cmd $h \
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"{ 'execute': 'blockdev-snapshot-sync',
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'arguments': { 'device': 'disk',
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'snapshot-file': '$TEST_IMG',
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'format': '$IMGFMT',
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'mode': 'absolute-paths' } }" \
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"return"
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echo
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echo === Start commit job and exit qemu ===
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echo
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# Note that the reference output intentionally includes the 'offset' field in
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# BLOCK_JOB_CANCELLED events for all of the following block jobs. They are
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# predictable and any change in the offsets would hint at a bug in the job
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# throttling code.
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#
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# In order to achieve these predictable offsets, all of the following tests
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# use speed=65536. Each job will perform exactly one iteration before it has
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# to sleep at least for a second, which is plenty of time for the 'quit' QMP
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# command to be received (after receiving the command, the rest runs
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# synchronously, so jobs can arbitrarily continue or complete).
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#
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# The buffer size for commit and streaming is 512k (waiting for 8 seconds after
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# the first request), for active commit and mirror it's large enough to cover
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# the full 4M, and for backup it's the qcow2 cluster size, which we know is
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# 64k. As all of these are at least as large as the speed, we are sure that the
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# offset doesn't advance after the first iteration before qemu exits.
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_send_qemu_cmd $h \
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"{ 'execute': 'block-commit',
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'arguments': { 'device': 'disk',
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'base':'$TEST_IMG.base',
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'top': '$TEST_IMG.mid',
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'speed': 65536 } }" \
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"return"
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_send_qemu_cmd $h "{ 'execute': 'quit' }" "return"
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wait=1 _cleanup_qemu
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echo
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echo === Start active commit job and exit qemu ===
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echo
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_launch_qemu \
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-drive file="${TEST_IMG}",cache=$CACHEMODE,driver=$IMGFMT,id=disk
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h=$QEMU_HANDLE
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_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" 'return'
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_send_qemu_cmd $h \
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"{ 'execute': 'block-commit',
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'arguments': { 'device': 'disk',
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'base':'$TEST_IMG.base',
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'speed': 65536 } }" \
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"return"
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_send_qemu_cmd $h "{ 'execute': 'quit' }" "return"
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wait=1 _cleanup_qemu
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echo
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echo === Start mirror job and exit qemu ===
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echo
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_launch_qemu \
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-drive file="${TEST_IMG}",cache=$CACHEMODE,driver=$IMGFMT,id=disk
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h=$QEMU_HANDLE
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_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" 'return'
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_send_qemu_cmd $h \
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"{ 'execute': 'drive-mirror',
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'arguments': { 'device': 'disk',
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'target': '$TEST_IMG.copy',
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'format': '$IMGFMT',
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'sync': 'full',
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'speed': 65536 } }" \
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"return"
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_send_qemu_cmd $h "{ 'execute': 'quit' }" "return"
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wait=1 _cleanup_qemu
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echo
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echo === Start backup job and exit qemu ===
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echo
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_launch_qemu \
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-drive file="${TEST_IMG}",cache=$CACHEMODE,driver=$IMGFMT,id=disk
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h=$QEMU_HANDLE
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_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" 'return'
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_send_qemu_cmd $h \
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"{ 'execute': 'drive-backup',
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'arguments': { 'device': 'disk',
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'target': '$TEST_IMG.copy',
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'format': '$IMGFMT',
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'sync': 'full',
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'speed': 65536 } }" \
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"return"
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_send_qemu_cmd $h "{ 'execute': 'quit' }" "return"
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wait=1 _cleanup_qemu
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echo
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echo === Start streaming job and exit qemu ===
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echo
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_launch_qemu \
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-drive file="${TEST_IMG}",cache=$CACHEMODE,driver=$IMGFMT,id=disk
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h=$QEMU_HANDLE
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_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" 'return'
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_send_qemu_cmd $h \
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"{ 'execute': 'block-stream',
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'arguments': { 'device': 'disk',
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'speed': 65536 } }" \
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"return"
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_send_qemu_cmd $h "{ 'execute': 'quit' }" "return"
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wait=1 _cleanup_qemu
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_check_test_img
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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59
tests/qemu-iotests/185.out
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59
tests/qemu-iotests/185.out
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QA output created by 185
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Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
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=== Starting VM ===
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{"return": {}}
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=== Creating backing chain ===
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Formatting 'TEST_DIR/t.qcow2.mid', fmt=qcow2 size=67108864 backing_file=TEST_DIR/t.qcow2.base backing_fmt=qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
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{"return": {}}
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wrote 4194304/4194304 bytes at offset 0
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4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": ""}
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Formatting 'TEST_DIR/t.qcow2', fmt=qcow2 size=67108864 backing_file=TEST_DIR/t.qcow2.mid backing_fmt=qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
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{"return": {}}
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=== Start commit job and exit qemu ===
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "disk", "len": 67108864, "offset": 524288, "speed": 65536, "type": "commit"}}
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=== Start active commit job and exit qemu ===
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "disk", "len": 4194304, "offset": 4194304, "speed": 65536, "type": "commit"}}
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=== Start mirror job and exit qemu ===
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{"return": {}}
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Formatting 'TEST_DIR/t.qcow2.copy', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "disk", "len": 4194304, "offset": 4194304, "speed": 65536, "type": "mirror"}}
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=== Start backup job and exit qemu ===
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{"return": {}}
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Formatting 'TEST_DIR/t.qcow2.copy', fmt=qcow2 size=67108864 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "disk", "len": 67108864, "offset": 65536, "speed": 65536, "type": "backup"}}
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=== Start streaming job and exit qemu ===
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_CANCELLED", "data": {"device": "disk", "len": 67108864, "offset": 524288, "speed": 65536, "type": "stream"}}
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No errors were found on the image.
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*** done
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@ -175,3 +175,4 @@
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181 rw auto migration
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182 rw auto quick
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183 rw auto migration
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185 rw auto
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