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rcutorture: Test RCU Tasks lock-contention detection

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This commit adjusts the TRACE02 scenario to use a pair of callback-flood
kthreads.  This in turn forces lock contention on the single RCU Tasks
Trace callback queue, which forces use of all CPUs' queues, thus testing
this transition.  (No, there is not yet any way to transition back.

Cc: Neeraj Upadhyay <neeraj.iitr10@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2021-11-24 16:04:51 -08:00
parent 4ead4e3319
commit a959ed627a
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot
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@ -1 +1,2 @@
rcutorture.torture_type=tasks-tracing
rcutorture.fwd_progress=2