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Date: Tue, 21 Jul 2009 10:03:00 +0300
From: Or Gerlitz <ogerlitz@Voltaire.com>
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Subject: Re: [Qemu-devel] [PATCH] net: add raw backend  - some performance
	measurements
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To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Mark McLoughlin <markmc@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Dor Laor <dlaor@redhat.com>, qemu-devel@nongnu.org, Jan Kiszka <jan.kiszka@web.de>

Herbert Xu wrote:
> Is netfilter enabled on the bridge? If so you need to turn it off

okay, when setting net.bridge.bridge-nf-call-iptables to zero, the VM TX / tap+bridge packet rate climbs from 170K to 195K but it still way beyond the 240K rate achieved by the raw mode --> we have now a clear sign on the performance gain this approach provides. 

Or.