On Sat, 2014-05-17 at 22:20 -0700, Paul E. McKenney wrote:

> If you are saying that turning on nohz_full doesn't help unless you
> also ensure that there is only one runnable task per CPU, I completely
> agree.  If you are saying something else, you lost me.  ;-)

Yup, that's it more or less.  It's not only single task loads that could
benefit from better isolation, but if isolation improving measures are
tied to nohz_full, other sensitive loads will suffer if they try to use
isolation improvements.

-Mike

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