rcu: Add rcu_barrier() statistics to debugfs tracing

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This commit adds an rcubarrier file to RCU's debugfs statistical tracing
directory, providing diagnostic information on rcu_barrier().

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

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Paul E. McKenney 2012-05-25 11:49:15 -07:00 • committed by Paul E. McKenney

parent a83eff0a82

commit d7e187c8e9

1 changed files with 39 additions and 0 deletions

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kernel/rcutree_trace.c

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