Re: [Bug #12650] Strange load average and ksoftirqd behavior with2.6.29-rc2-git1

[Ingo Molnar]

* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> No, it was my confusion -- I later realized that your data 
> above meant that the force-quiescent-state code path was not 
> being heavily exercised. So no need for this trace!

Do you have any theory for why RCU was activated every 100-200 
microseconds, resulting in 20% ksoftirqd CPU use - and why the 
problem went away with classic-rcu?

	Ingo
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