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(parent: dfa0ee4) | patch
documentation: Slow systems can stall RCU grace periods
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 10 Aug 2017 21:33:17 +0000 (14:33 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 9 Oct 2017 21:23:36 +0000 (14:23 -0700)
commit3d916a443e97169a3d88765c4e0b07ac813f439f
tree2014eaee2f3b3a8a2fcd1311413cbf48c1e44f3ctree
parentdfa0ee48ef86f79430d2be9d1e2e1b509abb3ccecommit | diff
documentation: Slow systems can stall RCU grace periods

If a fast system has a worst-case grace-period duration of (say) ten
seconds, then running the same workload on a system ten times as slow
will get you an RCU CPU stall warning given default stall-warning
timeout settings.  This commit therefore adds this possibility to
stallwarn.txt.

Reported-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Documentation/RCU/stallwarn.txt diff | blob | history
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