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rcutorture: Dump stack when GP kthread stalls
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 1 Oct 2015 17:38:16 +0000 (10:38 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sun, 6 Dec 2015 01:58:05 +0000 (17:58 -0800)
commitb1adb3e2736b695821badc715d2c7a5d873b8b94
treeb267b6bed91ed2f9105c27dd067cedef7bed7006tree | snapshot (tar.gz zip)
parenta0e3a3aa2841d5720a277de53b6882eb8b2ef698commit | diff
rcutorture:  Dump stack when GP kthread stalls

This commit increases debug information in the case where the grace-period
kthread is being prevented from running by dumping that kthread's stack.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
[ paulmck: Split into prior commit and this commit, as suggested by
  Josh Triplett. ]
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
kernel/rcu/tree.c diff | blob | blame | history