Re: [ANNOUNCE] kvm-49 release

Yang, Sheng
2007-11-02T02:19:46Z

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From: Haydn Solomon [mailto:haydn.solomon-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org]
Sent: 2007年11月2日 10:15
To: Yang, Sheng
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org; Avi Kivity
Subject: Re: [kvm-devel] [ANNOUNCE] kvm-49 release

On Nov 1, 2007 9:54 PM, Haydn Solomon <haydn.solomon-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

On Nov 1, 2007 9:36 PM, Sheng Yang <sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> wrote:

On Friday 02 November 2007 09:10:31 Haydn Solomon wrote:

> How can I tell that my cpu has flexpriority?
>
> (Resending this as didn't cc list last time.)

Oops, forgot the patch...

Thanks Sheng.

Luckily for me I've got the Flexpriority feature

[root@localhost winxptest]# dmesg | grep lex
kvm: FlexPriority enabled!

One thing I do notice apart from noticeably very good responsiveness and performance on windows guest ( xp sp2 ) is that this is the lowest cpu usage I've seen on the qemu kvm process to date. I haven't tried smp yet but that will be my next test and will report on how that goes. Thanks guys and well done!

One issue I do see. When I run my windows xp guest which is ACPI Multiprocessor PC HAL with -smp 2, it runs much slower and cpu usage is high.

Thanks, I am checking it. :)

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