From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shirley Ma Subject: Re: [PATCH 2/2] virtio_net: remove send completion interrupts and avoid TX queue overrun through packet drop Date: Fri, 18 Mar 2011 09:54:02 -0700 Message-ID: <1300467242.3441.2.camel@localhost.localdomain> References: <1300320775.3255.34.camel@localhost.localdomain> <20110317050242.GC32049@redhat.com> <1300375115.3255.45.camel@localhost.localdomain> <1300418927.3255.62.camel@localhost.localdomain> <20110318131558.GC4221@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Rusty Russell , David Miller , kvm@vger.kernel.org, netdev@vger.kernel.org, Herbert Xu To: "Michael S. Tsirkin" Return-path: In-Reply-To: <20110318131558.GC4221@redhat.com> Sender: kvm-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, 2011-03-18 at 15:15 +0200, Michael S. Tsirkin wrote: > Is this the local or remote throughput? > With UDP_STREAM you are mostly interested in > remote throughput, local one can be pretty high > while most packets get dropped. This is local throughput. Remote is called recv(netserver) data. With default wmem/rmem, there are so many recv errors. I haven't tuned the results yet. Thanks Shirley