From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: [Xen-devel] [PATCH v2 net-next 5/7] xen-netback: process guest rx
 packets in batches
Date: Tue, 4 Oct 2016 15:51:04 +0100
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Cc: <netdev@vger.kernel.org>, Wei Liu <wei.liu2@citrix.com>,
        David Vrabel <david.vrabel@citrix.com>,
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Paul Durrant <paul.durrant@citrix.com>
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On 04/10/16 13:47, Konrad Rzeszutek Wilk wrote:
> On Tue, Oct 04, 2016 at 10:29:16AM +0100, Paul Durrant wrote:
>> From: David Vrabel <david.vrabel@citrix.com>
>>
>> Instead of only placing one skb on the guest rx ring at a time, process
>> a batch of up-to 64.  This improves performance by ~10% in some tests.
> 
> And does it regress latency workloads?

No. Because the loop outside of these batches is only checking for a
fatal error condition or a disconnection.

> What are those 'some tests' you speak off?

I think it was aggregate intrahost, but I don't remember exactly.

David