XL vs Xend Feature Comparison: Difference between revisions
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|Virtual framebuffer, keyboard and mouse (both para-virtualised and emulated) |
|Virtual framebuffer, keyboard and mouse (both para-virtualised and emulated) |
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|{{Tick}} |
|{{Tick}} <sup>[ [[#Foot6|6]] ]</sup> |
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|{{Tick}} <sup>[ [[#Foot6|6]] ]</sup><sup>[ [[#Foot7|7]] ]</sup> |
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|{{Tick}} (includes SDL, VNC & SPICE support) |
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|SPICE framebuffer/console support |
|SPICE framebuffer/console support |
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|Control of CPUID features exposed to guests. |
|Control of CPUID features exposed to guests. |
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|{{Tick}} |
|{{Tick}} |
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|{{Tick}} (syntax greatly improved) |
|{{Tick}} <sup>(syntax greatly improved)</sup> |
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!colspan="3"|<big>Features that are explicitly not supported in XL</big> |
!colspan="3"|<big>Features that are explicitly not supported in XL</big> |
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<span id="Foot4"><sup>[ 4 ]</sup> See [[Remus Toolkit Differences]] </span><br/> |
<span id="Foot4"><sup>[ 4 ]</sup> See [[Remus Toolkit Differences]] </span><br/> |
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<span id="Foot5"><sup>[ 5 ]</sup> Undocumented in [[XEND]] man pages </span><br/> |
<span id="Foot5"><sup>[ 5 ]</sup> Undocumented in [[XEND]] man pages </span><br/> |
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<span id="Foot6"><sup>[ 6 ]</sup> Includes SDL & VNC support</span><br/> |
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<span id="Foot7"><sup>[ 7 ]</sup> Includes SPICE support </span><br/> |
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'''Also See''': |
'''Also See''': |
Revision as of 16:11, 28 January 2015
The following compares the featureset of the xend toolstack vs the xl toolstack as of Xen 4.4 and 4.5.
xm / xend | xl | |
---|---|---|
Guest Types | ||
PV guests | ✓ | ✓ |
HVM guests | ✓ | ✓ |
PVHVM guests | ✓ | ✓ |
PVH guests | ✗ | ✓ |
Guest lifecycle operations | ||
Create, shutdown, reboot | ✓ | ✓ |
Pause, unpause | ✓ | ✓ |
List, rename | ✓ | ✓ |
Live migration and save/restore | ✓ | ✓ |
Remus Integration | ✗ [ 4 ] | ✓ |
Guest device support | ||
Network devices (both para-virtualised and emulated) | ✓ | ✓ |
Block devices (both para-virtualised and emulated) | ✓ | ✓ |
Sharing storage across DomU's via w! in virtual machines configuration files in disk settings
|
✓ | ✗ [ 1 ] |
Virtual framebuffer, keyboard and mouse (both para-virtualised and emulated) | ✓ [ 6 ] | ✓ [ 6 ][ 7 ] |
SPICE framebuffer/console support | ✗ | ✓ |
QXL graphics device support for SPICE | ✗ | ✗ [ 2 ] |
PV console devices | ✗ | ✓ |
PCI device passthrough | ✓ | ✓ |
VGA graphics device (GPU) passthrough | ✓ | ✓ |
SCSI LUN/Host passthrough (PVSCSI) | ✓ | ✗ [ 2 ] |
Qemu USB device passthrough via config file (using qemu xen traditional) | ✓ | ✓ |
Qemu USB device passthrough via config file (using qemu upstream) | ✗ | ✓ |
Qemu USB device passthrough via hotplug (using qemu xen traditional) | ✓ | ✗ [ 3 ] |
Qemu USB device passthrough via hotplug (using qemu upstream) | ✗ | ✗ [ 3 ] |
Qemu USB device passthrough support for USB 1.1 | ✓ | ✓ |
Qemu USB device passthrough support for USB 2.0 (qemu upstream) | ✗ | ✓ |
Qemu USB device passthrough support for USB 3.0 (qemu upstream) | ✗ | ✓ |
PVUSB USB 2.0 device passthrough for both PV and HVM guests | ✓ | ✗ [ 3 ] |
Device Model Support | ||
Qemu Xen Traditional Device Model | ✓ | ✓ |
Upstream Qemu Device Model | ✗ | ✓ |
Stub domain Qemu Xen Traditional Device Model | ✓ | ✓ |
Stub domain Upstream Qemu Device Model | ✗ | ✗ [ 2 ] |
Misc Features | ||
CPU pools | ✓ [ 5 ] | ✓ |
Cpupool-per-NUMA node. | ✗ | ✓ |
Control of CPU scheduler parameters | ✓ | ✓ |
TMEM | ✓ | ✓ |
XSM/Flash policy control | ✓ | ✓ |
Control of CPUID features exposed to guests. | ✓ | ✓ (syntax greatly improved) |
Features that are explicitly not supported in XL | ||
Managed Domains | ✓ | ✗ [ 1 ] |
Python code in configuration files | ✓ | ✗ [ 1 ] |
[ 1 ] Feature is explicitly not supported by xl, see XL Anti-Features
[ 2 ] Feature will be exposed in a future release
[ 3 ] Feature development has started in the Xen 4.5 release cycle, but did not get completed
[ 4 ] See Remus Toolkit Differences
[ 5 ] Undocumented in XEND man pages
[ 6 ] Includes SDL & VNC support
[ 7 ] Includes SPICE support
Also See:
- XL
- XEND
- Choice of Toolstacks
- Short video overview: XM to XL: A Short, But Necessary, Journey