Re: [PATCH tip/core/rcu 18/86] rcu: add grace-period age to tracing

[Josh Triplett]

On Sun, May 01, 2011 at 06:20:58AM -0700, Paul E. McKenney wrote:
> From: Paul E. McKenney <paul.mckenney@xxxxxxxxxx>
> 
> This commit adds the age in jiffies of the current grace period along
> with the duration in jiffies of the longest grace period since boot
> to the rcu/rcugp debugfs file.

This change seems to have several other unrelated changes mixed in and
not documented, related to adding and tracing RCU_KTHREAD_OFFCPU.

- Josh Triplett
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