mirror of https://gitee.com/openkylin/qemu.git
qemu-iotests: test qemu-img rebase
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Kevin Wolf
parent
ac5e2b201b
commit
939e16407b
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#!/bin/sh
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#
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# Rebasing COW images
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#
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# Copyright (C) 2009 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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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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rm -f $TEST_DIR/t.$IMGFMT.base_old
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rm -f $TEST_DIR/t.$IMGFMT.base_new
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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.pattern
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# Currently only qcow2 supports rebasing
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_supported_fmt qcow2
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_supported_os Linux
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CLUSTER_SIZE=65536
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# Cluster allocations to be tested:
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#
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# Backing (old) 11 -- 11 -- 11 -- 11 --
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# Backing (new) 22 22 -- -- 22 22 -- --
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# COW image 33 33 33 33 -- -- -- --
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echo "Creating backing file"
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echo
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_make_test_img 1G
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io_pattern writev $((-2 * CLUSTER_SIZE)) $CLUSTER_SIZE $((2 * CLUSTER_SIZE)) 4 0x11
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mv $TEST_IMG $TEST_IMG.base_old
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echo "Creating new backing file"
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echo
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_make_test_img 1G
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io_pattern writev $((-4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE)) $((4 * CLUSTER_SIZE)) 2 0x22
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mv $TEST_IMG $TEST_IMG.base_new
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echo "Creating COW image"
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echo
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_make_test_img -b $TEST_IMG.base_old 1G
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io_pattern writev 0 $((4 * CLUSTER_SIZE)) 0 1 0x33
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echo "Read before the rebase to make sure everything is set up correctly"
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echo
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io_pattern readv $((0 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((1 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((2 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((3 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((5 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
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io_pattern readv $((6 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((7 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
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echo
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echo Rebase and test again
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echo
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$QEMU_IMG rebase -b $TEST_IMG.base_new $TEST_IMG
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io_pattern readv $((0 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((1 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((2 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((3 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((5 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
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io_pattern readv $((6 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((7 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
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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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@ -0,0 +1,81 @@
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QA output created by 024
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Creating backing file
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824 cluster_size=65536
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=== IO: pattern 0x11
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qemu-io> wrote 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 262144
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 65536/65536 bytes at offset 393216
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> Creating new backing file
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824 cluster_size=65536
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=== IO: pattern 0x22
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qemu-io> wrote 131072/131072 bytes at offset 0
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> wrote 131072/131072 bytes at offset 262144
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128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> Creating COW image
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824 backing_file='TEST_DIR/t.IMGFMT.base_old' cluster_size=65536
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=== IO: pattern 0x33
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qemu-io> wrote 262144/262144 bytes at offset 0
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256 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> Read before the rebase to make sure everything is set up correctly
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=== IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 196608
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x11
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qemu-io> read 65536/65536 bytes at offset 262144
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x00
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qemu-io> read 65536/65536 bytes at offset 327680
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x11
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qemu-io> read 65536/65536 bytes at offset 393216
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x00
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qemu-io> read 65536/65536 bytes at offset 458752
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io>
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Rebase and test again
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=== IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 0
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 65536
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 131072
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 196608
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x11
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qemu-io> read 65536/65536 bytes at offset 262144
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x00
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qemu-io> read 65536/65536 bytes at offset 327680
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x11
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qemu-io> read 65536/65536 bytes at offset 393216
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> === IO: pattern 0x00
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qemu-io> read 65536/65536 bytes at offset 458752
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64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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qemu-io> *** done
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@ -30,3 +30,4 @@
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021 io auto
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022 rw snapshot auto
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023 rw auto
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024 rw backing auto
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