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RE: [Xen-devel] [PATCH] Network Checksum Removal

To: <bin.ren@xxxxxxxxxxxx>, "Rolf Neugebauer" <rolf.neugebauer@xxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH] Network Checksum Removal
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Tue, 24 May 2005 02:22:19 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Andrew Theurer <habanero@xxxxxxxxxx>, Jon Mason <jdmason@xxxxxxxxxx>
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Thread-index: AcVf+PJMm29gr7W6TrqOB4C9IL4hBAABfxTw
Thread-topic: [Xen-devel] [PATCH] Network Checksum Removal
> What currently I'm really really obssessed is (1) 
> dom1->external with default BVT gives only ~400Mbps (2) 
> dom1->external with my EEVDF scheduler (everything else is 
> exactly the same) gives 610Mbps, very close to 
> dom0->external. With scheduler latency histograms, it seems 
> to be caused by *far too frequent* context switches in BVT. 
> I'm still digging.

Have you tried SEDF? I'm itching to make it the default scheduler...

Ian

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