rcu: Track CPU-hotplug duration statistics

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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>

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Paul E. McKenney 2012-07-23 12:05:55 -07:00 • committed by Paul E. McKenney

parent ab840f7a06

commit 13dbf9140c

1 changed files with 37 additions and 5 deletions

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kernel/rcutorture.c

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