XL vs Xend Feature Comparison: Difference between revisions

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(Added [2] to xl for upstream QEMU and QXL (which has been pulled due to an issue))
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|QXL graphics device support for SPICE
|QXL graphics device support for SPICE
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|{{NotDone}} <sup>[ [[#Foot2|2]] ]</sup>
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|PV console devices
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|USB 2.0 device passthrough (PVUSB)
|USB 2.0 device passthrough (PVUSB)
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!colspan="3"|<big>Device Model Support</big>
!colspan="3"|<big>Device Model Support</big>
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|Stub domain Qemu Xen Traditional Device Model
|Stub domain Qemu Xen Traditional Device Model
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|{{Tick}} <sup>[ [[#Foot2|2]] ]</sup>
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|Stub domain Upstream Qemu Device Model
|Stub domain Upstream Qemu Device Model
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<span id="Foot1"><sup>[ 1 ]</sup> Feature is explicitly not supported by xl, see [[XL#Anti-Features|XL Anti-Features]] </span><br/>
<span id="Foot1"><sup>[ 1 ]</sup> Feature is explicitly not supported by xl, see [[XL#Anti-Features|XL Anti-Features]] </span><br/>
<span id="Foot1"><sup>[ 2 ]</sup> Feature will be exposed in a future release </span><br/>


'''Also See''':
'''Also See''':

Revision as of 12:47, 6 January 2015

The following compares the featureset of the xend toolstack vs the xl toolstack as of Xen 4.2.

xm / xend xl
Guest Types
PV guests ✓ ✓
HVM guests ✓ ✓
Guest lifecycle operations
Create, shutdown, reboot ✓ ✓
Pause, unpause ✓ ✓
List, rename ✓ ✓
Live migration and save/restore ✓ ✓
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 ✓ ✗ [ 1 ]
Virtual framebuffer, keyboard and mouse (both para-virtualised and emulated) ✓ (includes SDL & VNC support) ✓ (includes SDL, VNC & SPICE support)
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) ✓ ✗
USB 1.1 device passthrough via config file (using qemu xen traditional) ✓ ✓
USB 1.1 device passthrough via config file (using upstream qemu) ✓ ✓
USB 1.1 device passthrough via hotplug (using qemu xen traditional) ✓ ✗
USB 1.1 device passthrough via hotplug (using upstream qemu) ?? ✗
USB 2.0 device passthrough (PVUSB) ✓ ✗
Device Model Support
Qemu Xen Traditional Device Model ✓ ✓
Upstream Qemu Device Model ✗ ✓
Stub domain Qemu Xen Traditional Device Model ✓ ✓ [ 2 ]
Stub domain Upstream Qemu Device Model ✗ ✗
 
CPU pools ✓ (undocumented in XEND man pages) ✓
Cpupool-per-NUMA node. ✗ ✓
Control of CPU scheduler parameters ✓ ✓
TMEM ✓ ✓
XSM/Flash policy control ✓ ✓
Control of CPUID features exposed to guests. ✓ ✓ (syntax greatly improved)
 
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

Also See:

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