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由 Davidlohr Bueso 提交于
Add a "rw_lock" torture test to stress kernel rwlocks and their irq variant. Reader critical regions are 5x longer than writers. As such a similar ratio of lock acquisitions is seen in the statistics. In the case of massive contention, both hold the lock for 1/10 of a second. Signed-off-by: NDavidlohr Bueso <dbueso@suse.de> Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
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