1 Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=67108864 cluster_size=65536 lazy_refcounts=off refcount_bits=16
4 Enabling migration QMP events on VM...
7 === Migrate to file ===
8 {"execute": "migrate", "arguments": {"uri": "exec:cat > /dev/null"}}
10 {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
11 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
12 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
16 {"execute": "query-status", "arguments": {}}
17 {"return": {"running": false, "singlestep": false, "status": "postmigrate"}}
19 === Create a snapshot of the disk image ===
20 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-top", "size": 0}}}
22 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
25 {"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-top", "node-name": "top-file"}}
27 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "top-file", "size": 1048576}}}
29 {"execute": "job-dismiss", "arguments": {"id": "job0"}}
32 {"execute": "blockdev-add", "arguments": {"driver": "qcow2", "file": "top-file", "node-name": "top-fmt"}}
34 {"execute": "blockdev-snapshot", "arguments": {"node": "base-fmt", "overlay": "top-fmt"}}
37 === Resume the VM and simulate a write request ===
38 {"execute": "cont", "arguments": {}}
42 === Commit it to the backing file ===
43 {"execute": "block-commit", "arguments": {"auto-dismiss": false, "device": "top-fmt", "job-id": "job0", "top-node": "top-fmt"}}
45 {"execute": "job-complete", "arguments": {"id": "job0"}}
47 {"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
48 {"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
49 {"execute": "job-dismiss", "arguments": {"id": "job0"}}