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1 === Launch VM === 2 Enabling migration QMP events on VM... 3 {"return": {}} 4 5 === Migrate to file === 6 {"execute": "migrate", "arguments": {"uri": "exec:cat > /dev/null"}} 7 {"return": {}} 8 {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} 9 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} 10 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} 11 12 VM is now stopped: 13 completed 14 {"execute": "query-status", "arguments": {}} 15 {"return": {"running": false, "singlestep": false, "status": "postmigrate"}} 16 17 === Create a snapshot of the disk image === 18 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-top", "size": 0}}} 19 {"return": {}} 20 {"execute": "job-dismiss", "arguments": {"id": "job0"}} 21 {"return": {}} 22 23 {"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-top", "node-name": "top-file"}} 24 {"return": {}} 25 {"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "top-file", "size": 1048576}}} 26 {"return": {}} 27 {"execute": "job-dismiss", "arguments": {"id": "job0"}} 28 {"return": {}} 29 30 {"execute": "blockdev-add", "arguments": {"driver": "qcow2", "file": "top-file", "node-name": "top-fmt"}} 31 {"return": {}} 32 {"execute": "blockdev-snapshot", "arguments": {"node": "base-fmt", "overlay": "top-fmt"}} 33 {"return": {}} 34 35 === Resume the VM and simulate a write request === 36 {"execute": "cont", "arguments": {}} 37 {"return": {}} 38 {"return": ""} 39 40 === Commit it to the backing file === 41 {"execute": "block-commit", "arguments": {"auto-dismiss": false, "device": "top-fmt", "job-id": "job0", "top-node": "top-fmt"}} 42 {"return": {}} 43 {"execute": "job-complete", "arguments": {"id": "job0"}} 44 {"return": {}} 45 {"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} 46 {"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} 47 {"execute": "job-dismiss", "arguments": {"id": "job0"}} 48 {"return": {}}