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

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Jeremy Fitzhardinge <jeremy@xxxxxxxx> 06.08.08 22:21 >>>
>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?

In Xen or the kernel? So far these are all Dom0-only measurements, so
in Xen there should be no contention.

To answer your other mail's question: It's defconfig builds I'm using.

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel