qemu-iotests: improve rebase test
The old test didn't consider cases in which the COW files contains some unallocated clusters and after them allocated ones again. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Kevin Wolf
parent
596f4f961c
commit
d586bc63c1
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@ -52,19 +52,22 @@ CLUSTER_SIZE=65536
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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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#
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# The pattern is written twice to have both an alloc -> non-alloc and a
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# non-alloc -> alloc transition in the COW image.
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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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io_pattern writev $((-2 * CLUSTER_SIZE)) $CLUSTER_SIZE $((2 * CLUSTER_SIZE)) 8 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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io_pattern writev $((-4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE)) $((4 * CLUSTER_SIZE)) 4 0x22
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mv $TEST_IMG $TEST_IMG.base_new
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echo "Creating COW image"
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@ -72,6 +75,7 @@ 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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io_pattern writev $((8 * CLUSTER_SIZE)) $((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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@ -83,6 +87,14 @@ 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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io_pattern readv $((8 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((9 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((10 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((11 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((12 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((13 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
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io_pattern readv $((14 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((15 * 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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@ -96,6 +108,14 @@ 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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io_pattern readv $((8 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((9 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((10 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((11 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x33
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io_pattern readv $((12 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((13 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
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io_pattern readv $((14 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x11
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io_pattern readv $((15 * CLUSTER_SIZE)) $CLUSTER_SIZE 0 1 0x00
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# success, all done
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@ -11,6 +11,14 @@ 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> wrote 65536/65536 bytes at offset 524288
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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 655360
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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 786432
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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 917504
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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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@ -19,12 +27,19 @@ 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> wrote 131072/131072 bytes at offset 524288
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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 786432
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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> === IO: pattern 0x33
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qemu-io> wrote 262144/262144 bytes at offset 524288
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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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@ -51,6 +66,30 @@ qemu-io> read 65536/65536 bytes at offset 393216
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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> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 524288
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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 589824
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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 655360
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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 720896
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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 786432
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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 851968
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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 917504
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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 983040
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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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@ -78,4 +117,28 @@ qemu-io> read 65536/65536 bytes at offset 393216
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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> === IO: pattern 0x33
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qemu-io> read 65536/65536 bytes at offset 524288
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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 589824
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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 655360
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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 720896
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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 786432
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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 851968
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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 917504
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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 983040
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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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