56 lines
4.9 KiB
XML
56 lines
4.9 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<mxfile host="app.diagrams.net" modified="2026-07-23T00:00:00.000Z" agent="techviz-harness" version="24.7.17" type="device">
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<diagram id="virtio-balloon-inflate-deflate" name="balloon target 은 VM Boundary 를 건너 driver 에 닿고 확보한 page 는 같은 경계를 되건너 온다">
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<mxGraphModel dx="870" dy="542" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="870" pageHeight="1169" math="0" shadow="0">
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<root>
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<mxCell id="0"/>
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<mxCell id="1" parent="0"/>
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<mxCell id="n_balloon-driver" value="virtio-balloon Driver<br/>Guest Kernel" tooltip="Guest kernel 쪽 balloon driver. target 을 받아 Guest page 를 확보한다. | Evidence: L3013-L3015, L3046-L3046" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;strokeColor=#2563eb;strokeWidth=2;" vertex="1" parent="1">
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<mxGeometry x="45.0" y="35.0" width="181.0" height="71.0" as="geometry"/>
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</mxCell>
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<mxCell id="n_virtqueue" value="virtqueue" tooltip="Guest 와 QEMU 가 balloon 요청을 주고받는 공유 큐. VM Boundary 바로 안쪽이다. | Evidence: L3017-L3017" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
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<mxGeometry x="255.0" y="35.0" width="150.0" height="64.0" as="geometry"/>
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</mxCell>
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<mxCell id="n_qemu-balloon-device" value="QEMU virtio-balloon
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Device" tooltip="Host 쪽 balloon device. 경계를 넘어온 내용을 Host memory management 로 넘긴다. | Evidence: L3022-L3022, L3037-L3041" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
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<mxGeometry x="465.0" y="35.0" width="167.0" height="74.0" as="geometry"/>
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</mxCell>
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<mxCell id="n_host-memory-management" value="Host Memory
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Management" tooltip="balloon target 을 정하는 쪽이자 회수 기회가 생기는 자리. | Evidence: L3025-L3025, L3034-L3037" style="whiteSpace=wrap;html=1;rounded=1;strokeWidth=2;fontSize=14;fontStyle=1;fillColor=#ffffff;strokeColor=#2d4357;verticalAlign=middle;" vertex="1" parent="1">
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<mxGeometry x="675.0" y="35.0" width="150.0" height="74.0" as="geometry"/>
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</mxCell>
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<mxCell id="e_target-adjust" value="Balloon target 조정" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_host-memory-management" target="n_qemu-balloon-device">
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<mxGeometry relative="1" as="geometry">
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<mxPoint x="649.2" y="128.0" as="offset"/>
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</mxGeometry>
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</mxCell>
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<mxCell id="e_target-crosses-in" value="VM Boundary" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_qemu-balloon-device" target="n_virtqueue">
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<mxGeometry relative="1" as="geometry">
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<mxPoint x="439.2" y="190.0" as="offset"/>
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</mxGeometry>
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</mxCell>
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<mxCell id="e_target-to-driver" value="Balloon target" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_virtqueue" target="n_balloon-driver">
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<mxGeometry relative="1" as="geometry">
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<mxPoint x="232.8" y="252.0" as="offset"/>
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</mxGeometry>
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</mxCell>
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<mxCell id="e_pages-secured" value="Guest pages 확보" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_balloon-driver" target="n_virtqueue">
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<mxGeometry relative="1" as="geometry">
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<mxPoint x="232.8" y="314.0" as="offset"/>
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</mxGeometry>
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</mxCell>
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<mxCell id="e_pages-cross-out" value="VM Boundary" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_virtqueue" target="n_qemu-balloon-device">
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<mxGeometry relative="1" as="geometry">
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<mxPoint x="439.2" y="376.0" as="offset"/>
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</mxGeometry>
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</mxCell>
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<mxCell id="e_reclaimable-backing" value="회수 가능 backing" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeWidth=2;endArrow=block;endFill=1;" edge="1" parent="1" source="n_qemu-balloon-device" target="n_host-memory-management">
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<mxGeometry relative="1" as="geometry">
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<mxPoint x="649.2" y="438.0" as="offset"/>
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</mxGeometry>
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</mxCell>
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</root>
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</mxGraphModel>
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</diagram>
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</mxfile>
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