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[Qemu-devel] Fwd: Question on qemu-kvm 1.0
From: |
Al Patel |
Subject: |
[Qemu-devel] Fwd: Question on qemu-kvm 1.0 |
Date: |
Mon, 5 Mar 2012 11:31:01 -0500 |
---------- Forwarded message ----------
From: Al Patel <address@hidden>
Date: Mon, Mar 5, 2012 at 11:19 AM
Subject: Re: Question on qemu-kvm 1.0
To: address@hidden, address@hidden
Side note: I am not using vhost-net yet. I am reading from the blogs
that vhost-net gives much better performance.
I am putting another system up with vhost-net support to measure this.
Appreciate the pointers for previous question.
/a
On Mon, Mar 5, 2012 at 11:17 AM, Al Patel <address@hidden> wrote:
> Hi ,
>
> We have been using qemu/kvm 0.12.5 (unchanged with stock kernel 2.6.32).
>
> I just upgraded to qemu/kvm-1.0 and see noticable difference in packet I/O.
>
> I want to understand the enhancements in 1.0 that leads to better performance.
>
> Can you give me some pointers?
>
> Off the bat I see new event code. From observation, I see that the
> qemu-kvm process is
> taking a whole lot less CPU.
>
> Thanks
> /a