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Re: [Xen-devel] Question Also regarding interrupt balancing

On 29 Jun 2006, at 16:51, harish wrote:

And ran a quick netperf test. Noticed that the cpu utilization was around ~50% on pcpu0 although my interrupts were being pinned to pcpu2 and domU on pcpu3. That is when I noticed that vif#id.0 has a dynamic irq which is serviced by pcpu0. Does this irq always run on pcpu0? Considering that it is dynamic, I understand that we cannot change the affinity and so am wondering if there some other configuration related to it.

Again, we don't load balance in the kernel, but you could change its affinity to some other single CPU via the proc interface.

 -- Keir

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