Re: [Xen-devel] [PATCH v2 net-next 5/7] xen-netback: process guest rx packets in batches

2016-10-04 Thread David Vrabel
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 >> >> 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 doe

RE: [Xen-devel] [PATCH v2 net-next 5/7] xen-netback: process guest rx packets in batches

2016-10-04 Thread Paul Durrant
> -Original Message- > From: Konrad Rzeszutek Wilk [mailto:konrad.w...@oracle.com] > Sent: 04 October 2016 13:48 > To: Paul Durrant > Cc: netdev@vger.kernel.org; xen-de...@lists.xenproject.org; Wei Liu > ; David Vrabel > Subject: Re: [Xen-devel] [PATCH v2 net-

Re: [Xen-devel] [PATCH v2 net-next 5/7] xen-netback: process guest rx packets in batches

2016-10-04 Thread Konrad Rzeszutek Wilk
On Tue, Oct 04, 2016 at 10:29:16AM +0100, Paul Durrant wrote: > From: David Vrabel > > 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? What are those 'some tes

[PATCH v2 net-next 5/7] xen-netback: process guest rx packets in batches

2016-10-04 Thread Paul Durrant
From: David Vrabel 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. Signed-off-by: David Vrabel [re-based] Signed-off-by: Paul Durrant --- Cc: Wei Liu --- drivers/net/xen-netback/rx.c | 15 +