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xen-devel
Re: [Xen-devel] How to reduce high latency on PV-on-HVM?
On Tue, 4 Jan 2011, shen.qilong wrote:
> About ping latency in PV-on-HVM
> I had tried a test to ping between two VM(PV-on-HVM) in the same host server
> with bridge model.
>
> I think there would be slightly latency mostly(less than 1ms).
> But I found that there are too much high latency package (more than 1ms)
> in PV-on-HVM + bridge environment.
>
>
> The following is the test environment and the test result:
>
> Server uses xen-4.0.0, domain-0 is kernel-2.6.32.13 and PV-on-HVM is kernel-2.6.x.
> The server and client are connected through a same network bridge.
>
> Can someone help me, or tell me something?
If you boot your guest kernel with loglevel=9, can you see the following line
among the boot messages?
Xen HVM callback vector for event delivery is enabled
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