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iotests: Enhance 223 to cover multiple bitmap granularities
Testing granularity at the same size as the cluster isn't quite as fun as what happens when it is larger or smaller. This enhancement also shows that qemu's nbd server can serve the same disk over multiple exports simultaneously. Signed-off-by: Eric Blake <eblake@redhat.com> Tested-by: John Snow <jsnow@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Eric Blake
Kevin Wolf
parent
ad3a7e4555
commit
a237dea330
@ -57,10 +57,11 @@ run_qemu()
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}
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echo
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echo "=== Create partially sparse image, then add dirty bitmap ==="
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echo "=== Create partially sparse image, then add dirty bitmaps ==="
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echo
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_make_test_img 4M
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# Two bitmaps, to contrast granularity issues
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_make_test_img -o cluster_size=4k 4M
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$QEMU_IO -c 'w -P 0x11 1M 2M' "$TEST_IMG" | _filter_qemu_io
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run_qemu <<EOF
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{ "execute": "qmp_capabilities" }
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@ -78,7 +79,16 @@ run_qemu <<EOF
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"arguments": {
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"node": "n",
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"name": "b",
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"persistent": true
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"persistent": true,
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"granularity": 65536
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}
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}
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{ "execute": "block-dirty-bitmap-add",
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"arguments": {
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"node": "n",
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"name": "b2",
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"persistent": true,
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"granularity": 512
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}
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}
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{ "execute": "quit" }
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@ -88,10 +98,11 @@ echo
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echo "=== Write part of the file under active bitmap ==="
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echo
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$QEMU_IO -c 'w -P 0x22 2M 2M' "$TEST_IMG" | _filter_qemu_io
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$QEMU_IO -c 'w -P 0x22 512 512' -c 'w -P 0x33 2M 2M' "$TEST_IMG" \
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| _filter_qemu_io
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echo
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echo "=== End dirty bitmap, and start serving image over NBD ==="
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echo "=== End dirty bitmaps, and start serving image over NBD ==="
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echo
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_launch_qemu 2> >(_filter_nbd)
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@ -103,6 +114,8 @@ _send_qemu_cmd $QEMU_HANDLE '{"execute":"blockdev-add",
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"file":{"driver":"file", "filename":"'"$TEST_IMG"'"}}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"x-block-dirty-bitmap-disable",
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"arguments":{"node":"n", "name":"b"}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"x-block-dirty-bitmap-disable",
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"arguments":{"node":"n", "name":"b2"}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-start",
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"arguments":{"addr":{"type":"unix",
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"data":{"path":"'"$TEST_DIR/nbd"'"}}}}' "return"
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@ -110,26 +123,40 @@ _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add",
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"arguments":{"device":"n"}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"x-nbd-server-add-bitmap",
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"arguments":{"name":"n", "bitmap":"b"}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add",
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"arguments":{"device":"n", "name":"n2"}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"x-nbd-server-add-bitmap",
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"arguments":{"name":"n2", "bitmap":"b2"}}' "return"
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echo
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echo "=== Contrast normal status with dirty-bitmap status ==="
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echo "=== Contrast normal status to large granularity dirty-bitmap ==="
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echo
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QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT
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IMG="driver=nbd,export=n,server.type=unix,server.path=$TEST_DIR/nbd"
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$QEMU_IO -r -c 'r -P 0 0 1m' -c 'r -P 0x11 1m 1m' \
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-c 'r -P 0x22 2m 2m' --image-opts "$IMG" | _filter_qemu_io
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$QEMU_IO -r -c 'r -P 0x22 512 512' -c 'r -P 0 512k 512k' -c 'r -P 0x11 1m 1m' \
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-c 'r -P 0x33 2m 2m' --image-opts "$IMG" | _filter_qemu_io
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$QEMU_IMG map --output=json --image-opts \
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"$IMG" | _filter_qemu_img_map
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$QEMU_IMG map --output=json --image-opts \
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"$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b" | _filter_qemu_img_map
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echo
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echo "=== Contrast to small granularity dirty-bitmap ==="
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echo
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IMG="driver=nbd,export=n2,server.type=unix,server.path=$TEST_DIR/nbd"
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$QEMU_IMG map --output=json --image-opts \
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"$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map
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echo
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echo "=== End NBD server ==="
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echo
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove",
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"arguments":{"name":"n"}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-remove",
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"arguments":{"name":"n2"}}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-stop"}' "return"
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_send_qemu_cmd $QEMU_HANDLE '{"execute":"quit"}' "return"
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@ -1,6 +1,6 @@
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QA output created by 223
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=== Create partially sparse image, then add dirty bitmap ===
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=== Create partially sparse image, then add dirty bitmaps ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4194304
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wrote 2097152/2097152 bytes at offset 1048576
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@ -11,15 +11,18 @@ QMP_VERSION
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{"return": {}}
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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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=== Write part of the file under active bitmap ===
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wrote 512/512 bytes at offset 512
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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wrote 2097152/2097152 bytes at offset 2097152
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2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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=== End dirty bitmap, and start serving image over NBD ===
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=== End dirty bitmaps, and start serving image over NBD ===
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{"return": {}}
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{"return": {}}
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@ -27,18 +30,32 @@ wrote 2097152/2097152 bytes at offset 2097152
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"return": {}}
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=== Contrast normal status with dirty-bitmap status ===
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=== Contrast normal status to large granularity dirty-bitmap ===
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read 1048576/1048576 bytes at offset 0
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 512/512 bytes at offset 512
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512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 524288/524288 bytes at offset 524288
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512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 1048576/1048576 bytes at offset 1048576
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1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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read 2097152/2097152 bytes at offset 2097152
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2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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[{ "start": 0, "length": 1048576, "depth": 0, "zero": true, "data": false},
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[{ "start": 0, "length": 4096, "depth": 0, "zero": false, "data": true},
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{ "start": 4096, "length": 1044480, "depth": 0, "zero": true, "data": false},
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{ "start": 1048576, "length": 3145728, "depth": 0, "zero": false, "data": true}]
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[{ "start": 0, "length": 2097152, "depth": 0, "zero": false, "data": true},
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[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": false},
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{ "start": 65536, "length": 2031616, "depth": 0, "zero": false, "data": true},
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{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]
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=== Contrast to small granularity dirty-bitmap ===
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[{ "start": 0, "length": 512, "depth": 0, "zero": false, "data": true},
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{ "start": 512, "length": 512, "depth": 0, "zero": false, "data": false},
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{ "start": 1024, "length": 2096128, "depth": 0, "zero": false, "data": true},
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{ "start": 2097152, "length": 2097152, "depth": 0, "zero": false, "data": false}]
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=== End NBD server ===
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@ -46,4 +63,5 @@ read 2097152/2097152 bytes at offset 2097152
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{"return": {}}
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{"return": {}}
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{"return": {}}
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{"return": {}}
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*** done
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