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Re: [Xen-devel][PV-ops][PATCH 0/2] VNIF: Using smart polling instead of

To: "Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx>
Subject: Re: [Xen-devel][PV-ops][PATCH 0/2] VNIF: Using smart polling instead of event notification.
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Wed, 30 Sep 2009 16:41:59 -0700
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On 09/30/09 11:17, Xu, Dongxiao wrote:
> Resend the patch and CC Jeremy.
>
> One of the VNIF driver's scalability issues is the high event
> channel frequency. It's highly related to physical NIC's interrupt
> frequency in dom0, which could be 20K HZ in some situation. The
> high frequency event channel notification makes the guest and dom0
> CPU utilization at a high value, especially in multi-VM cases. 
> The following two patches uses smart polling mechanism to 
> replace event notification to reduce the CPU Utilization. 
>
> Signed-off-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx>
>   

I'm having difficulty applying these because they're in quoted-printable
MIME format.  Could you resend them as attachments?

Thanks,
    J

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