Paul E. McKenney 7f5d42d051 rcu: Trace expedited GP delays due to transitioning CPUs ...

If a CPU is transitioning to or from offline state, an expedited
grace period may undergo a timed wait.  This timed wait can unduly
delay grace periods, so this commit adds a trace statement to make
it visible.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

2018-02-20 16:12:28 -08:00

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