From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Weimer Subject: Re: purpose of the skb head pool Date: Thu, 01 May 2003 12:38:38 +0200 Sender: netdev-bounce@oss.sgi.com Message-ID: <877k9bc5ox.fsf@deneb.enyo.de> References: <20030429135506.A22411@lst.de> <16046.30879.738356.495523@robur.slu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , davem@redhat.com, netdev@oss.sgi.com Return-path: To: Robert Olsson In-Reply-To: <16046.30879.738356.495523@robur.slu.se> (Robert Olsson's message of "Tue, 29 Apr 2003 15:05:35 +0200") Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Robert Olsson writes: > 2.6.66 IP. Forwarding of two input simplex flows. eth0->eth1, eth2->eth3 > Fixed affinity CPU0: eth0, eth3. CPU1: eth1, eth2. Which common for routing > and should be "worst case" for other use. The test should give a very high > load on the packet memory system. As seen at least we don't see any > improvement from skb_head_pool code. > > > Vanilla 2.5.66 381 kpps > Magazine 431 kpps > Magazine + no skb_head_pool 435 kpps Can you rerun this test with random source/destination addresses, to get more realistic (for some configurations) numbers?