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| author | Davidlohr Bueso | 2014-09-29 15:14:23 +0200 |
|---|---|---|
| committer | Paul E. McKenney | 2014-09-30 09:10:00 +0200 |
| commit | e34191fad8e5d9fe4e76f6d03b5e29e3eae7535a (patch) | |
| tree | bdf4b88a473d2a7c416cf44dc826cb8393cb0b4a /Documentation/smsc_ece1099.txt | |
| parent | rcu: Eliminate deadlock between CPU hotplug and expedited grace periods (diff) | |
| download | kernel-qcow2-linux-e34191fad8e5d9fe4e76f6d03b5e29e3eae7535a.tar.gz kernel-qcow2-linux-e34191fad8e5d9fe4e76f6d03b5e29e3eae7535a.tar.xz kernel-qcow2-linux-e34191fad8e5d9fe4e76f6d03b5e29e3eae7535a.zip | |
locktorture: Support rwlocks
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: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation/smsc_ece1099.txt')
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