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(parent: 3ef5a1c) | patch
rcu: Make show_rcu_gp_kthreads() dump rcu_node structures blocking GP
authorPaul E. McKenney <paulmck@kernel.org>
Wed, 7 Apr 2021 22:14:01 +0000 (15:14 -0700)
committerPaul E. McKenney <paulmck@kernel.org>
Mon, 10 May 2021 23:22:54 +0000 (16:22 -0700)
commitb15805013b441b13fcf6e402c03421c03edb79c6
tree2da032bfaa65140dd27a5afdbd935f3cbd966ea0tree | snapshot
parent3ef5a1c3821ab61da3e9fe0f4561be903ae2bc84commit | diff
rcu: Make show_rcu_gp_kthreads() dump rcu_node structures blocking GP

Currently, show_rcu_gp_kthreads() only dumps rcu_node structures that
have outdated ideas of the current grace-period number.  This commit
also dumps those that are in any way blocking the current grace period.
This helps diagnose RCU priority boosting failures.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
kernel/rcu/tree_stall.h diff | blob | history
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