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qemu-patch-raspberry4/tests/qemu-iotests/179.out
Eric Blake e249d51952 iotests: Add test 179 to cover write zeroes with unmap 
No tests were covering write zeroes with unmap.  Additionally,
I needed to prove that my previous patches for correct status
reporting and write zeroes optimizations actually had an impact.

The test works for cluster_size between 8k and 2M (for smaller
sizes, it fails because our allocation patterns are not contiguous
with small clusters - in part, the largest consecutive allocation
we tend to get is often bounded by the size covered by one L2
table).

Note that testing for zero clusters is tricky: 'qemu-io map'
reports whether data comes from the current layer of the image
(useful for sniffing out which regions of the file have
QCOW_OFLAG_ZERO) - but doesn't show which clusters have mappings;
while 'qemu-img map' sees "zero":true for both unallocated and
zero clusters for any qcow2 with no backing layer (so less useful
at detecting true zero clusters), but reliably shows mappings.
So we have to rely on both queries side-by-side at each point of
the test.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170507000552.20847-10-eblake@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-05-11 14:28:07 +02:00

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QA output created by 179
=== Testing write zeroes with unmap ===
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
wrote 2097152/2097152 bytes at offset 2097152
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 6291456
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
2 MiB (0x200000) bytes not allocated at offset 0 bytes (0x0)
2 MiB (0x200000) bytes allocated at offset 2 MiB (0x200000)
2 MiB (0x200000) bytes not allocated at offset 4 MiB (0x400000)
2 MiB (0x200000) bytes allocated at offset 6 MiB (0x600000)
56 MiB (0x3800000) bytes not allocated at offset 8 MiB (0x800000)
[{ "start": 0, "length": 67108864, "depth": 0, "zero": true, "data": false}]
wrote 2097150/2097150 bytes at offset 10485761
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097150/2097150 bytes at offset 14680065
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
2 MiB (0x200000) bytes not allocated at offset 0 bytes (0x0)
2 MiB (0x200000) bytes allocated at offset 2 MiB (0x200000)
2 MiB (0x200000) bytes not allocated at offset 4 MiB (0x400000)
2 MiB (0x200000) bytes allocated at offset 6 MiB (0x600000)
2 MiB (0x200000) bytes not allocated at offset 8 MiB (0x800000)
2 MiB (0x200000) bytes allocated at offset 10 MiB (0xa00000)
2 MiB (0x200000) bytes not allocated at offset 12 MiB (0xc00000)
2 MiB (0x200000) bytes allocated at offset 14 MiB (0xe00000)
48 MiB (0x3000000) bytes not allocated at offset 16 MiB (0x1000000)
[{ "start": 0, "length": 67108864, "depth": 0, "zero": true, "data": false}]
wrote 14680064/14680064 bytes at offset 18874368
14 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 20971520
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 6291456/6291456 bytes at offset 25165824
6 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
2 MiB (0x200000) bytes not allocated at offset 0 bytes (0x0)
2 MiB (0x200000) bytes allocated at offset 2 MiB (0x200000)
2 MiB (0x200000) bytes not allocated at offset 4 MiB (0x400000)
2 MiB (0x200000) bytes allocated at offset 6 MiB (0x600000)
2 MiB (0x200000) bytes not allocated at offset 8 MiB (0x800000)
2 MiB (0x200000) bytes allocated at offset 10 MiB (0xa00000)
2 MiB (0x200000) bytes not allocated at offset 12 MiB (0xc00000)
2 MiB (0x200000) bytes allocated at offset 14 MiB (0xe00000)
2 MiB (0x200000) bytes not allocated at offset 16 MiB (0x1000000)
14 MiB (0xe00000) bytes allocated at offset 18 MiB (0x1200000)
32 MiB (0x2000000) bytes not allocated at offset 32 MiB (0x2000000)
[{ "start": 0, "length": 18874368, "depth": 0, "zero": true, "data": false},
{ "start": 18874368, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 20971520, "length": 2097152, "depth": 0, "zero": true, "data": false},
{ "start": 23068672, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 25165824, "length": 6291456, "depth": 0, "zero": true, "data": false, "offset": OFFSET},
{ "start": 31457280, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 33554432, "length": 33554432, "depth": 0, "zero": true, "data": false}]
wrote 2097152/2097152 bytes at offset 27262976
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 29360128
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
2 MiB (0x200000) bytes not allocated at offset 0 bytes (0x0)
2 MiB (0x200000) bytes allocated at offset 2 MiB (0x200000)
2 MiB (0x200000) bytes not allocated at offset 4 MiB (0x400000)
2 MiB (0x200000) bytes allocated at offset 6 MiB (0x600000)
2 MiB (0x200000) bytes not allocated at offset 8 MiB (0x800000)
2 MiB (0x200000) bytes allocated at offset 10 MiB (0xa00000)
2 MiB (0x200000) bytes not allocated at offset 12 MiB (0xc00000)
2 MiB (0x200000) bytes allocated at offset 14 MiB (0xe00000)
2 MiB (0x200000) bytes not allocated at offset 16 MiB (0x1000000)
14 MiB (0xe00000) bytes allocated at offset 18 MiB (0x1200000)
32 MiB (0x2000000) bytes not allocated at offset 32 MiB (0x2000000)
[{ "start": 0, "length": 18874368, "depth": 0, "zero": true, "data": false},
{ "start": 18874368, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 20971520, "length": 2097152, "depth": 0, "zero": true, "data": false},
{ "start": 23068672, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 25165824, "length": 2097152, "depth": 0, "zero": true, "data": false, "offset": OFFSET},
{ "start": 27262976, "length": 2097152, "depth": 0, "zero": true, "data": false},
{ "start": 29360128, "length": 2097152, "depth": 0, "zero": true, "data": false, "offset": OFFSET},
{ "start": 31457280, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 33554432, "length": 33554432, "depth": 0, "zero": true, "data": false}]
wrote 8388608/8388608 bytes at offset 33554432
8 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 35651584
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 37748736
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
2 MiB (0x200000) bytes not allocated at offset 0 bytes (0x0)
2 MiB (0x200000) bytes allocated at offset 2 MiB (0x200000)
2 MiB (0x200000) bytes not allocated at offset 4 MiB (0x400000)
2 MiB (0x200000) bytes allocated at offset 6 MiB (0x600000)
2 MiB (0x200000) bytes not allocated at offset 8 MiB (0x800000)
2 MiB (0x200000) bytes allocated at offset 10 MiB (0xa00000)
2 MiB (0x200000) bytes not allocated at offset 12 MiB (0xc00000)
2 MiB (0x200000) bytes allocated at offset 14 MiB (0xe00000)
2 MiB (0x200000) bytes not allocated at offset 16 MiB (0x1000000)
22 MiB (0x1600000) bytes allocated at offset 18 MiB (0x1200000)
24 MiB (0x1800000) bytes not allocated at offset 40 MiB (0x2800000)
[{ "start": 0, "length": 18874368, "depth": 0, "zero": true, "data": false},
{ "start": 18874368, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 20971520, "length": 2097152, "depth": 0, "zero": true, "data": false},
{ "start": 23068672, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 25165824, "length": 2097152, "depth": 0, "zero": true, "data": false, "offset": OFFSET},
{ "start": 27262976, "length": 2097152, "depth": 0, "zero": true, "data": false},
{ "start": 29360128, "length": 2097152, "depth": 0, "zero": true, "data": false, "offset": OFFSET},
{ "start": 31457280, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
{ "start": 33554432, "length": 33554432, "depth": 0, "zero": true, "data": false}]
wrote 8388608/8388608 bytes at offset 41943040
8 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 8388608/8388608 bytes at offset 50331648
8 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 44040192
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 46137344
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 52428800
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 54525952
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 60817408
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 62914560
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
42 MiB (0x2a00000) bytes not allocated at offset 0 bytes (0x0)
4 MiB (0x400000) bytes allocated at offset 42 MiB (0x2a00000)
4 MiB (0x400000) bytes not allocated at offset 46 MiB (0x2e00000)
4 MiB (0x400000) bytes allocated at offset 50 MiB (0x3200000)
4 MiB (0x400000) bytes not allocated at offset 54 MiB (0x3600000)
4 MiB (0x400000) bytes allocated at offset 58 MiB (0x3a00000)
2 MiB (0x200000) bytes not allocated at offset 62 MiB (0x3e00000)
[{ "start": 0, "length": 18874368, "depth": 1, "zero": true, "data": false},
{ "start": 18874368, "length": 2097152, "depth": 1, "zero": false, "data": true, "offset": OFFSET},
{ "start": 20971520, "length": 2097152, "depth": 1, "zero": true, "data": false},
{ "start": 23068672, "length": 2097152, "depth": 1, "zero": false, "data": true, "offset": OFFSET},
{ "start": 25165824, "length": 2097152, "depth": 1, "zero": true, "data": false, "offset": OFFSET},
{ "start": 27262976, "length": 2097152, "depth": 1, "zero": true, "data": false},
{ "start": 29360128, "length": 2097152, "depth": 1, "zero": true, "data": false, "offset": OFFSET},
{ "start": 31457280, "length": 2097152, "depth": 1, "zero": false, "data": true, "offset": OFFSET},
{ "start": 33554432, "length": 10485760, "depth": 1, "zero": true, "data": false},
{ "start": 44040192, "length": 4194304, "depth": 0, "zero": true, "data": false},
{ "start": 48234496, "length": 2097152, "depth": 1, "zero": true, "data": false},
{ "start": 50331648, "length": 2097152, "depth": 1, "zero": false, "data": true, "offset": OFFSET},
{ "start": 52428800, "length": 4194304, "depth": 0, "zero": true, "data": false},
{ "start": 56623104, "length": 2097152, "depth": 1, "zero": false, "data": true, "offset": OFFSET},
{ "start": 58720256, "length": 2097152, "depth": 1, "zero": true, "data": false},
{ "start": 60817408, "length": 4194304, "depth": 0, "zero": true, "data": false},
{ "start": 65011712, "length": 2097152, "depth": 1, "zero": true, "data": false}]
No errors were found on the image.
No errors were found on the image.
=== Testing cache optimization ===
wrote 2097152/2097152 bytes at offset 20971520
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 20971520
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 2097152/2097152 bytes at offset 29360128
2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
*** done
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