]> git.baikalelectronics.ru Git - kernel.git/commit
rcu: Track CPU-hotplug duration statistics
authorPaul E. McKenney <paul.mckenney@linaro.org>
Mon, 23 Jul 2012 19:05:55 +0000 (12:05 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sun, 23 Sep 2012 14:42:22 +0000 (07:42 -0700)
commitecce55c0c5e7a9fa534d946d5535126757ef0ab4
treec74294271b88bb0a99f841c214c0f10b8b6ab449
parent3b58eb96bc637c1abe26d624878d60c272886a5c
rcu: Track CPU-hotplug duration statistics

Many rcutorture runs include CPU-hotplug operations in their stress
testing.  This commit accumulates statistics on the durations of these
operations in deference to the recent concern about the overhead and
latency of these operations.

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>
kernel/rcutorture.c