tree b995626dd96c6af299c4c43523df9d90b6d35b83
parent e900cc5c86e15adea482cfecc306936e1bd4db6f
author Zhen Lei <thunder.leizhen@huawei.com> 1666000867 +0800
committer Paul E. McKenney <paulmck@kernel.org> 1666306558 -0700

sched: Add helper nr_context_switches_cpu()

Returns the number of context switches on the specified CPU, which can
be used to diagnose RCU CPU stalls.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>