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rcutorture: Test SRCU size transitions 

Thie commit adds kernel boot parameters to the SRCU-N and SRCU-P
rcutorture scenarios to cause SRCU-N to test contention-based resizing
and SRCU-P to test init_srcu_struct()-time resizing.  Note that this
also tests never-resizing because the contention-based resizing normally
takes some minutes to make the shift.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2022-01-31 15:03:36 -08:00
parent f233673cd3
commit b5597cb36f
2 changed files with 3 additions and 0 deletions
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1
tools/testing/selftests/rcutorture/configs/rcu/SRCU-N.boot
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@ -1 +1,2 @@
rcutorture.torture_type=srcu
rcutorture.fwd_progress=3

2
tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot
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@ -1,2 +1,4 @@
rcutorture.torture_type=srcud
rcupdate.rcu_self_test=1
rcutorture.fwd_progress=3
srcutree.big_cpu_lim=5