{ "type": "excalidraw", "version": 2, "source": "https://excalidraw.com", "elements": [ { "id": "r616816452", "type": "rectangle", "x": 20, "y": 20, "width": 920, "height": 130, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#f4f4f4", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1925318893, "versionNonce": 1990841614, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1897602274", "type": "text", "x": 32, "y": 26, "width": 264.0, "height": 15.0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 809766187, "versionNonce": 1152277146, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Host, VMX root mode (ring 0 host kernel)", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Host, VMX root mode (ring 0 host kernel)", "lineHeight": 1.25, "baseline": 12 }, { "id": "r1570438349", "type": "rectangle", "x": 20, "y": 170, "width": 920, "height": 150, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#eef4fb", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 292912127, "versionNonce": 228987000, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1006862364", "type": "text", "x": 32, "y": 176, "width": 448.8, "height": 15.0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1312109153, "versionNonce": 1332376793, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Guest, VMX non-root mode (ring 0 guest kernel, ring 3 guest process)", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Guest, VMX non-root mode (ring 0 guest kernel, ring 3 guest process)", "lineHeight": 1.25, "baseline": 12 }, { "id": "r97444046", "type": "rectangle", "x": 20, "y": 340, "width": 920, "height": 130, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1917787981, "versionNonce": 1658944199, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t34388662", "type": "text", "x": 32, "y": 346, "width": 356.40000000000003, "height": 15.0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1177317519, "versionNonce": 774173864, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Trapped path: virtio-blk write + fsync (a real vmexit)", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Trapped path: virtio-blk write + fsync (a real vmexit)", "lineHeight": 1.25, "baseline": 12 }, { "id": "r1394106624", "type": "rectangle", "x": 20, "y": 490, "width": 920, "height": 110, "angle": 0, "strokeColor": "#dddddd", "backgroundColor": "#fafafa", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 333258995, "versionNonce": 1365458870, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1594211623", "type": "text", "x": 32, "y": 496, "width": 349.8, "height": 15.0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 276603995, "versionNonce": 797917984, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "overheadbench measured deltas (this host, this guest)", "fontSize": 12, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "overheadbench measured deltas (this host, this guest)", "lineHeight": 1.25, "baseline": 12 }, { "id": "r65980721", "type": "rectangle", "x": 40, "y": 55, "width": 200, "height": 70, "angle": 0, "strokeColor": "#888888", "backgroundColor": "#f4f4f4", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 300745757, "versionNonce": 727824424, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1113477136", "type": "text", "x": 50, "y": 63, "width": 161.70000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1220350254, "versionNonce": 956937771, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "kvm.ko + kvm_intel.ko", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "kvm.ko + kvm_intel.ko", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1350545563", "type": "text", "x": 50, "y": 83, "width": 121.00000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1536588244, "versionNonce": 1806981628, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "/dev/kvm, EPT tables", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "/dev/kvm, EPT tables", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1849650273", "type": "rectangle", "x": 270, "y": 55, "width": 200, "height": 70, "angle": 0, "strokeColor": "#2f6db5", "backgroundColor": "#eef4fb", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1174963773, "versionNonce": 454915088, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1096198985", "type": "text", "x": 280, "y": 63, "width": 138.60000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 332218422, "versionNonce": 1139293102, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "QEMU/VMM userspace", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "QEMU/VMM userspace", "lineHeight": 1.25, "baseline": 14 }, { "id": "t306558575", "type": "text", "x": 280, "y": 83, "width": 187.55, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1416860418, "versionNonce": 1155392771, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "vCPU thread, virtio-blk backend", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "vCPU thread, virtio-blk backend", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1310956167", "type": "rectangle", "x": 730, "y": 55, "width": 190, "height": 70, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1651468000, "versionNonce": 13583511, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t448309055", "type": "text", "x": 740, "y": 63, "width": 115.50000000000001, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1619856415, "versionNonce": 1434727469, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "Host NVMe/btrfs", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "Host NVMe/btrfs", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1640415291", "type": "text", "x": 740, "y": 83, "width": 145.20000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 52641870, "versionNonce": 1364632400, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "real fsync(2) lands here", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "real fsync(2) lands here", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1701680226", "type": "rectangle", "x": 40, "y": 200, "width": 220, "height": 90, "angle": 0, "strokeColor": "#2f6db5", "backgroundColor": "#eef4fb", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 335735647, "versionNonce": 1256260957, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1365872152", "type": "text", "x": 50, "y": 208, "width": 161.70000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1073168838, "versionNonce": 554455780, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "guest kernel (ring 0)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "guest kernel (ring 0)", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1655515916", "type": "text", "x": 50, "y": 228, "width": 151.25, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1816386919, "versionNonce": 529765972, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "getpid(2) served in-guest", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "getpid(2) served in-guest", "lineHeight": 1.25, "baseline": 11 }, { "id": "t58228395", "type": "text", "x": 50, "y": 243, "width": 114.95, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 310166029, "versionNonce": 253839898, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "no host trap needed", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "no host trap needed", "lineHeight": 1.25, "baseline": 11 }, { "id": "r165757960", "type": "rectangle", "x": 290, "y": 200, "width": 220, "height": 90, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1353827092, "versionNonce": 896746255, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t324321559", "type": "text", "x": 300, "y": 208, "width": 169.4, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 392944372, "versionNonce": 1928755509, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "overheadbench (ring 3)", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "overheadbench (ring 3)", "lineHeight": 1.25, "baseline": 14 }, { "id": "t564081542", "type": "text", "x": 300, "y": 228, "width": 181.50000000000003, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 91705525, "versionNonce": 394034361, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "syscall bench: raw getpid loop", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "syscall bench: raw getpid loop", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1312057073", "type": "rectangle", "x": 550, "y": 200, "width": 200, "height": 90, "angle": 0, "strokeColor": "#2f6db5", "backgroundColor": "#eef4fb", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 647023417, "versionNonce": 1845441072, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1996781456", "type": "text", "x": 560, "y": 208, "width": 207.9, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 798727771, "versionNonce": 1634957555, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "virtio-blk front-end driver", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "virtio-blk front-end driver", "lineHeight": 1.25, "baseline": 14 }, { "id": "t914603669", "type": "text", "x": 560, "y": 228, "width": 157.3, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 51271079, "versionNonce": 1729053486, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "io bench: open/write/fsync", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "io bench: open/write/fsync", "lineHeight": 1.25, "baseline": 11 }, { "id": "r133091402", "type": "rectangle", "x": 790, "y": 200, "width": 130, "height": 90, "angle": 0, "strokeColor": "#999999", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 41962314, "versionNonce": 1024810400, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t195416674", "type": "text", "x": 800, "y": 208, "width": 69.30000000000001, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 628305078, "versionNonce": 1977065242, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "virtqueue", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "virtqueue", "lineHeight": 1.25, "baseline": 14 }, { "id": "t744081371", "type": "text", "x": 800, "y": 228, "width": 90.75000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1197271210, "versionNonce": 1678547207, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "descriptor ring", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "descriptor ring", "lineHeight": 1.25, "baseline": 11 }, { "id": "r842479381", "type": "rectangle", "x": 40, "y": 370, "width": 210, "height": 90, "angle": 0, "strokeColor": "#e8870c", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1306297241, "versionNonce": 259334440, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t247473806", "type": "text", "x": 50, "y": 378, "width": 130.9, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 948040342, "versionNonce": 999321218, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "fsync(2) in guest", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "fsync(2) in guest", "lineHeight": 1.25, "baseline": 14 }, { "id": "t90729686", "type": "text", "x": 50, "y": 398, "width": 145.20000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 610965843, "versionNonce": 1110950378, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "-> VM exit (EPT/IO trap)", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "-> VM exit (EPT/IO trap)", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1919410251", "type": "rectangle", "x": 300, "y": 370, "width": 210, "height": 90, "angle": 0, "strokeColor": "#e8870c", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 912863615, "versionNonce": 952213405, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t741122302", "type": "text", "x": 310, "y": 378, "width": 123.20000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1746141637, "versionNonce": 1398018354, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "KVM exit handler", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "KVM exit handler", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1705578092", "type": "text", "x": 310, "y": 398, "width": 175.45000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 982792183, "versionNonce": 1039776681, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "hands off to QEMU vCPU thread", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "hands off to QEMU vCPU thread", "lineHeight": 1.25, "baseline": 11 }, { "id": "r270722878", "type": "rectangle", "x": 560, "y": 370, "width": 200, "height": 90, "angle": 0, "strokeColor": "#e8870c", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1806450011, "versionNonce": 788833310, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t404278376", "type": "text", "x": 570, "y": 378, "width": 192.50000000000003, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1074992400, "versionNonce": 1768033434, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "virtio-blk backend issues", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "virtio-blk backend issues", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1822082336", "type": "text", "x": 570, "y": 398, "width": 181.50000000000003, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1342685959, "versionNonce": 1389285571, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "real host fsync, then VM enter", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "real host fsync, then VM enter", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1496285268", "type": "rectangle", "x": 800, "y": 370, "width": 120, "height": 90, "angle": 0, "strokeColor": "#999999", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1148649502, "versionNonce": 1628048927, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t387817756", "type": "text", "x": 810, "y": 378, "width": 77.0, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 855044002, "versionNonce": 1422564823, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "round trip", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "round trip", "lineHeight": 1.25, "baseline": 14 }, { "id": "t290803275", "type": "text", "x": 810, "y": 398, "width": 90.75000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1163144690, "versionNonce": 1175542804, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "cost lands here", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "cost lands here", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1715490997", "type": "rectangle", "x": 40, "y": 520, "width": 280, "height": 65, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1555019079, "versionNonce": 353791972, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t213901082", "type": "text", "x": 50, "y": 528, "width": 254.10000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 844232078, "versionNonce": 909548404, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "syscall (getpid): host ~88ns/call", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "syscall (getpid): host ~88ns/call", "lineHeight": 1.25, "baseline": 14 }, { "id": "t1531154050", "type": "text", "x": 50, "y": 548, "width": 248.05, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 476056055, "versionNonce": 340506745, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "guest ~88ns/call \u2014 no vmexit on this path", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "guest ~88ns/call \u2014 no vmexit on this path", "lineHeight": 1.25, "baseline": 11 }, { "id": "r372215246", "type": "rectangle", "x": 340, "y": 520, "width": 280, "height": 65, "angle": 0, "strokeColor": "#111111", "backgroundColor": "#ffffff", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 1690273353, "versionNonce": 1103763261, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t1364929840", "type": "text", "x": 350, "y": 528, "width": 238.70000000000002, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 139488595, "versionNonce": 303923700, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "mem (128MiB scan): host ~14GB/s", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "mem (128MiB scan): host ~14GB/s", "lineHeight": 1.25, "baseline": 14 }, { "id": "t286562249", "type": "text", "x": 350, "y": 548, "width": 205.70000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 97365091, "versionNonce": 819923240, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "guest ~15GB/s \u2014 EPT cost amortized", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "guest ~15GB/s \u2014 EPT cost amortized", "lineHeight": 1.25, "baseline": 11 }, { "id": "r1190424501", "type": "rectangle", "x": 640, "y": 520, "width": 280, "height": 65, "angle": 0, "strokeColor": "#e8870c", "backgroundColor": "#fff8ef", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 3 }, "seed": 353207448, "versionNonce": 153623538, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false }, { "id": "t485770548", "type": "text", "x": 650, "y": 528, "width": 315.70000000000005, "height": 17.5, "angle": 0, "strokeColor": "#111111", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 899727742, "versionNonce": 1714669890, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "io (create+write+fsync): host ~1.3k ops/s", "fontSize": 14, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "io (create+write+fsync): host ~1.3k ops/s", "lineHeight": 1.25, "baseline": 14 }, { "id": "t556268365", "type": "text", "x": 650, "y": 548, "width": 235.95000000000002, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1493541370, "versionNonce": 1250171363, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "guest ~0.5k ops/s \u2014 the real vmexit tax", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "guest ~0.5k ops/s \u2014 the real vmexit tax", "lineHeight": 1.25, "baseline": 11 }, { "id": "a527947253", "type": "arrow", "x": 240, "y": 90, "width": 30, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1186590527, "versionNonce": 1037173539, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 30, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1936592310", "type": "text", "x": 255.0, "y": 76.0, "width": 84.7, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 419745572, "versionNonce": 1775811597, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "ioctl(KVM_RUN)", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "ioctl(KVM_RUN)", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1684017212", "type": "arrow", "x": 470, "y": 90, "width": 260, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "dashed", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1544644163, "versionNonce": 292697611, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 260, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t190897266", "type": "text", "x": 600.0, "y": 76.0, "width": 90.75000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1617558521, "versionNonce": 299995312, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "host write path", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "host write path", "lineHeight": 1.25, "baseline": 11 }, { "id": "a61068238", "type": "arrow", "x": 260, "y": 245, "width": 30, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1596249662, "versionNonce": 1514147875, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 30, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1679717166", "type": "text", "x": 275.0, "y": 231.0, "width": 66.55000000000001, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 659835904, "versionNonce": 142574261, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "raw syscall", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "raw syscall", "lineHeight": 1.25, "baseline": 11 }, { "id": "a1190530532", "type": "arrow", "x": 510, "y": 245, "width": 40, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 640669406, "versionNonce": 151036904, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 40, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1115976963", "type": "text", "x": 530.0, "y": 231.0, "width": 54.45, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1653220304, "versionNonce": 251995447, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "block req", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "block req", "lineHeight": 1.25, "baseline": 11 }, { "id": "a223521380", "type": "arrow", "x": 750, "y": 245, "width": 40, "height": 0, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1806684397, "versionNonce": 1195097067, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 40, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1320377333", "type": "text", "x": 770.0, "y": 231.0, "width": 42.35, "height": 13.75, "angle": 0, "strokeColor": "#555555", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1209331079, "versionNonce": 717446272, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "enqueue", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "enqueue", "lineHeight": 1.25, "baseline": 11 }, { "id": "a856534223", "type": "arrow", "x": 250, "y": 415, "width": 50, "height": 0, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 359177988, "versionNonce": 587158177, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 50, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1630109431", "type": "text", "x": 275.0, "y": 401.0, "width": 40, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 478982267, "versionNonce": 342421886, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "vmexit", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "vmexit", "lineHeight": 1.25, "baseline": 11 }, { "id": "a969131630", "type": "arrow", "x": 510, "y": 415, "width": 50, "height": 0, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 504987868, "versionNonce": 1324907384, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 50, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t1915337312", "type": "text", "x": 535.0, "y": 401.0, "width": 40, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 442542795, "versionNonce": 1622250762, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "kick", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "kick", "lineHeight": 1.25, "baseline": 11 }, { "id": "a50988272", "type": "arrow", "x": 760, "y": 415, "width": 40, "height": 0, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 2, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": { "type": 2 }, "seed": 1426583834, "versionNonce": 1639644564, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "points": [ [ 0, 0 ], [ 40, 0 ] ], "lastCommittedPoint": null, "startBinding": null, "endBinding": null, "startArrowhead": null, "endArrowhead": "arrow" }, { "id": "t402526356", "type": "text", "x": 780.0, "y": 401.0, "width": 42.35, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 1700968889, "versionNonce": 649235222, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "vmenter", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "vmenter", "lineHeight": 1.25, "baseline": 11 }, { "id": "t489152464", "type": "text", "x": 480, "y": 155, "width": 181.50000000000003, "height": 13.75, "angle": 0, "strokeColor": "#b8650a", "backgroundColor": "transparent", "fillStyle": "solid", "strokeWidth": 1, "strokeStyle": "solid", "roughness": 1, "opacity": 100, "groupIds": [], "frameId": null, "roundness": null, "seed": 921052172, "versionNonce": 1906826017, "isDeleted": false, "boundElements": [], "updated": 1, "link": null, "locked": false, "text": "VMX root <-> non-root boundary", "fontSize": 11, "fontFamily": 1, "textAlign": "left", "verticalAlign": "top", "containerId": null, "originalText": "VMX root <-> non-root boundary", "lineHeight": 1.25, "baseline": 11 } ], "appState": { "viewBackgroundColor": "#ffffff", "gridSize": null }, "files": {} }