rcu: Add more tracing of expedited grace periods
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 1 Feb 2018 03:23:24 +0000 (19:23 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Wed, 21 Feb 2018 00:12:27 +0000 (16:12 -0800)
commit9a414201ae7ea089699a0cbd36533345ca17233b
tree90c0c64e89136a0cc09df8cdf06eb8cffa9a6a58
parent274afd6bfa64984724963204b832cc71565a7740
rcu: Add more tracing of expedited grace periods

This commit adds more tracing of expedited grace periods to enable
improved debugging of slowdowns.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
include/trace/events/rcu.h
kernel/rcu/rcu.h
kernel/rcu/tree_exp.h