refscale: Add acqrel, lock, and lock-irq

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This commit adds scale_type of acqrel, lock, and lock-irq to
test acquisition and release.  Note that the refscale.nreaders=1
module parameter is required if you wish to test uncontended locking.
In contrast, acqrel uses a per-CPU variable, so should be just fine with
large values of the refscale.nreaders=1 module parameter.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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Paul E. McKenney 2021-03-10 18:02:36 -08:00

parent 0092eae4cb

commit e9b800db96

1 changed files with 107 additions and 2 deletions

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kernel/rcu/refscale.c

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