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RE: [Xen-devel] Serious performance issues

To: "Tommi Virtanen" <tv@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Serious performance issues
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Mon, 7 Mar 2005 08:19:27 -0000
Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxxx>, <ian.pratt@xxxxxxxxxxxx>, <ian.pratt@xxxxxxxxxxxx>
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Thread-topic: [Xen-devel] Serious performance issues
> Also, note that I can get the same problem with bridging:
> lots of timer interrupts
> ip li set dev br0 down --> timer gets 30/s
> ip li set dev br0 up --> timer goes crazy

I certainly don't see this on any of my systems.

Are you using the standard bridging scripts? I guess not since your
bridge name is different. The only time I've seen something like this is
when some of the bridge timeout parameters are set to 0 jiffies (setting
to 1 jiffy is OK).


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