| Message ID | 1574056144-625164-4-git-send-email-andrey.shinkevich@virtuozzo.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | qcow2: advanced compression options | expand |
18.11.2019 8:49, Andrey Shinkevich wrote: > Add the case to the iotest #214 that checks possibility of writing > compressed data of more than one cluster size. The test case involves > the compress filter driver showing a sample usage of that. > > Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> > --- > tests/qemu-iotests/214 | 43 +++++++++++++++++++++++++++++++++++++++++++ > tests/qemu-iotests/214.out | 14 ++++++++++++++ > 2 files changed, 57 insertions(+) > > diff --git a/tests/qemu-iotests/214 b/tests/qemu-iotests/214 > index 21ec8a2..5012112 100755 > --- a/tests/qemu-iotests/214 > +++ b/tests/qemu-iotests/214 > @@ -89,6 +89,49 @@ _check_test_img -r all > $QEMU_IO -c "read -P 0x11 0 4M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir > $QEMU_IO -c "read -P 0x22 4M 4M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir > > +echo > +echo "=== Write compressed data of multiple clusters ===" > +echo > +cluster_size=0x10000 > +_make_test_img 2M -o cluster_size=$cluster_size > + > +echo "Write uncompressed data:" > +let data_size="8 * $cluster_size" > +$QEMU_IO -c "write -P 0xaa 0 $data_size" "$TEST_IMG" \ > + 2>&1 | _filter_qemu_io | _filter_testdir > +sizeA=$($QEMU_IMG info --output=json "$TEST_IMG" | > + sed -n '/"actual-size":/ s/[^0-9]//gp') > + > +_make_test_img 2M -o cluster_size=$cluster_size > +echo "Write compressed data:" > +let data_size="3 * $cluster_size + ($cluster_size / 2)" > +# Set compress on. That will align the written data > +# by the cluster size and will write them compressed. > +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ > +$QEMU_IO -c "write -P 0xbb 0 $data_size" --image-opts \ > + "driver=compress,file.driver=$IMGFMT,file.file.driver=file,file.file.filename=$TEST_IMG" \ > + 2>&1 | _filter_qemu_io | _filter_testdir > + > +let offset="4 * $cluster_size" Could you make it let offset="4 * $cluster_size + ($cluster_size / 4)" To check both unaligned head and tail? It should not change the output. With or without this: Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> PS: ogh, bash is crazy, arithmetic in string o_O > +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ > +$QEMU_IO -c "write -P 0xcc $offset $data_size" "json:{\ > + 'driver': 'compress', > + 'file': {'driver': '$IMGFMT', > + 'file': {'driver': 'file', > + 'filename': '$TEST_IMG'}}}" | \ > + _filter_qemu_io | _filter_testdir > + > +sizeB=$($QEMU_IMG info --output=json "$TEST_IMG" | > + sed -n '/"actual-size":/ s/[^0-9]//gp') > + > +if [ $sizeA -le $sizeB ] > +then > + echo "Compression ERROR" > +fi > + > +$QEMU_IMG check --output=json "$TEST_IMG" | > + sed -n 's/,$//; /"compressed-clusters":/ s/^ *//p' > + > # success, all done > echo '*** done' > rm -f $seq.full > diff --git a/tests/qemu-iotests/214.out b/tests/qemu-iotests/214.out > index 0fcd8dc..4a2ec33 100644 > --- a/tests/qemu-iotests/214.out > +++ b/tests/qemu-iotests/214.out > @@ -32,4 +32,18 @@ read 4194304/4194304 bytes at offset 0 > 4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > read 4194304/4194304 bytes at offset 4194304 > 4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > + > +=== Write compressed data of multiple clusters === > + > +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2097152 > +Write uncompressed data: > +wrote 524288/524288 bytes at offset 0 > +512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2097152 > +Write compressed data: > +wrote 229376/229376 bytes at offset 0 > +224 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > +wrote 229376/229376 bytes at offset 262144 > +224 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) > +"compressed-clusters": 8 > *** done >
diff --git a/tests/qemu-iotests/214 b/tests/qemu-iotests/214 index 21ec8a2..5012112 100755 --- a/tests/qemu-iotests/214 +++ b/tests/qemu-iotests/214 @@ -89,6 +89,49 @@ _check_test_img -r all $QEMU_IO -c "read -P 0x11 0 4M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir $QEMU_IO -c "read -P 0x22 4M 4M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir +echo +echo "=== Write compressed data of multiple clusters ===" +echo +cluster_size=0x10000 +_make_test_img 2M -o cluster_size=$cluster_size + +echo "Write uncompressed data:" +let data_size="8 * $cluster_size" +$QEMU_IO -c "write -P 0xaa 0 $data_size" "$TEST_IMG" \ + 2>&1 | _filter_qemu_io | _filter_testdir +sizeA=$($QEMU_IMG info --output=json "$TEST_IMG" | + sed -n '/"actual-size":/ s/[^0-9]//gp') + +_make_test_img 2M -o cluster_size=$cluster_size +echo "Write compressed data:" +let data_size="3 * $cluster_size + ($cluster_size / 2)" +# Set compress on. That will align the written data +# by the cluster size and will write them compressed. +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ +$QEMU_IO -c "write -P 0xbb 0 $data_size" --image-opts \ + "driver=compress,file.driver=$IMGFMT,file.file.driver=file,file.file.filename=$TEST_IMG" \ + 2>&1 | _filter_qemu_io | _filter_testdir + +let offset="4 * $cluster_size" +QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT \ +$QEMU_IO -c "write -P 0xcc $offset $data_size" "json:{\ + 'driver': 'compress', + 'file': {'driver': '$IMGFMT', + 'file': {'driver': 'file', + 'filename': '$TEST_IMG'}}}" | \ + _filter_qemu_io | _filter_testdir + +sizeB=$($QEMU_IMG info --output=json "$TEST_IMG" | + sed -n '/"actual-size":/ s/[^0-9]//gp') + +if [ $sizeA -le $sizeB ] +then + echo "Compression ERROR" +fi + +$QEMU_IMG check --output=json "$TEST_IMG" | + sed -n 's/,$//; /"compressed-clusters":/ s/^ *//p' + # success, all done echo '*** done' rm -f $seq.full diff --git a/tests/qemu-iotests/214.out b/tests/qemu-iotests/214.out index 0fcd8dc..4a2ec33 100644 --- a/tests/qemu-iotests/214.out +++ b/tests/qemu-iotests/214.out @@ -32,4 +32,18 @@ read 4194304/4194304 bytes at offset 0 4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) read 4194304/4194304 bytes at offset 4194304 4 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +=== Write compressed data of multiple clusters === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2097152 +Write uncompressed data: +wrote 524288/524288 bytes at offset 0 +512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=2097152 +Write compressed data: +wrote 229376/229376 bytes at offset 0 +224 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 229376/229376 bytes at offset 262144 +224 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +"compressed-clusters": 8 *** done
Add the case to the iotest #214 that checks possibility of writing compressed data of more than one cluster size. The test case involves the compress filter driver showing a sample usage of that. Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> --- tests/qemu-iotests/214 | 43 +++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/214.out | 14 ++++++++++++++ 2 files changed, 57 insertions(+)