Re: [Xen-devel] A problem/suggestion about network ring buffer

To:	zhefu jiang <guokeno0@xxxxxxxxx>, Paul Durrant <paul.durrant@xxxxxxxxxx>
Subject:	Re: [Xen-devel] A problem/suggestion about network ring buffer
From:	George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Date:	Thu, 1 Sep 2011 09:41:28 +0100
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date:	Thu, 01 Sep 2011 01:42:11 -0700
Dkim-signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=rCJVMXxV98gTIKSr+PQ1ODuw+fS5Wjxnu/Dogo3RrNI=; b=otOJ5nkoIEvxb5+g3GpyLqIGoz6Ga4+RvZ0szxHHoBHeLIkpRkuOP5HpXdB/Z6a+CQ an9rmD/5Vik5DDXHS//t1RPWlPFMkPUPbq/Z6wu0WjdcI9o9h70xfqrpjlraK4lVQeUc HAOArOWcTo6ZWhIyTUNv7NYinTI+LDCgwmrLg=
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<CAGTO47mtn3Z4VmSXtavm_F9DdYrnXTDYo8+z-FGmeqT77u0CaQ@xxxxxxxxxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References:	<CAGTO47mtn3Z4VmSXtavm_F9DdYrnXTDYo8+z-FGmeqT77u0CaQ@xxxxxxxxxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx

Paul,

Were there any plans to address ring buffer size as part of the
netchannel2 work?

 -George

2011/9/1 zhefu jiang <guokeno0@xxxxxxxxx>:
> Hi
> Recently some observation suggests that Xen's one-page sized ring buffer is
> not suitable for 10GB Networking environment. Sending packet at that high
> rate may cause the ring to overflow. So I'm now wondering that should we
> provide some mechanism in future versions of Xen to make the ring size
> configurable (such as passing the number of ring pages through xenbus)？
>
> --
> Best Wishes
> -----------------------------------------------------------
> Jeff Jiang/Zhefu Jiang
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

Re: [Xen-devel] A problem/suggestion about network ring buffer