From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Fri, 25 May 2012 18:49:15 +0000 (-0700)
Subject: rcu: Add rcu_barrier() statistics to debugfs tracing
X-Git-Tag: v3.6-rc1~168^2^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7e187c8e9f30543f9cadfed094896ff414acb8f;p=pandora-kernel.git

rcu: Add rcu_barrier() statistics to debugfs tracing

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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