rcutorture: Print histogram of CB invocation at OOM time
authorPaul E. McKenney <paulmck@linux.ibm.com>
Wed, 3 Oct 2018 19:33:41 +0000 (12:33 -0700)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Sat, 1 Dec 2018 20:45:39 +0000 (12:45 -0800)
commit1a682754c7ed9df213069d5a0d3981f8360a32c2
tree8ca0ecd94efc87b01bcfca25e3430201176aeb32
parent8dd3b54689d9a2103c0817f2b7adc51760a45551
rcutorture: Print histogram of CB invocation at OOM time

One reason why a forward-progress test might fail would be if something
prevented or delayed callback invocation.  This commit therefore adds a
callback-invocation histogram printout when OOM is reported to rcutorture.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
kernel/rcu/rcutorture.c