Re: question about RCU dynticks_nesting

From: Mike Galbraith
Date: Tue May 05 2015 - 21:49:49 EST


On Mon, 2015-05-04 at 22:54 -0700, Paul E. McKenney wrote:

> You have RCU_FAST_NO_HZ=y, correct? Could you please try measuring with
> RCU_FAST_NO_HZ=n?

FWIW, the syscall numbers I posted were RCU_FAST_NO_HZ=n. (I didn't
profile to see where costs lie though)

-Mike

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