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Re: [Xen-devel] Re: Xen spinlock questions

Jan Beulich wrote:
In my tests, I only see it fall into the slow path a couple of thousand times per cpu for a kernbench run.

Hmm, that's different then for me. Actually, I see a significant spike at
modpost stage 2, when all the .ko-s get linked. The (spinlock) interrupt
rate gets up to between 1,000 and 2,000 per CPU and second.

BTW, how much contention for CPUs was there?

   J

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