[PATCH 16/16] tools/rcutorture: Support nocb toggle in TREE01

From: Frederic Weisbecker
Date: Fri Oct 23 2020 - 10:48:33 EST


Add periodic toggling of 7 CPUs over 8 every second in order to test
NOCB toggle code. Choose TREE01 for that as it's already testing nocb.

Inspired-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Signed-off-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
Cc: Paul E. McKenney <paulmck@xxxxxxxxxx>
Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx>
Cc: Joel Fernandes <joel@xxxxxxxxxxxxxxxxx>
Cc: Neeraj Upadhyay <neeraju@xxxxxxxxxxxxxx>
---
tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
index d6da9a61d44a..40af3df0f397 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01.boot
@@ -2,5 +2,7 @@ maxcpus=8 nr_cpus=43
rcutree.gp_preinit_delay=3
rcutree.gp_init_delay=3
rcutree.gp_cleanup_delay=3
-rcu_nocbs=0
+rcu_nocbs=0-1,3-7
+rcutorture.nocbs_nthreads=8
+rcutorture.nocbs_toggle=1000
rcutorture.fwd_progress=0
--
2.25.1