rcu: Make show_rcu_gp_kthreads() dump rcu_node structures blocking GP

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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have outdated ideas of the current grace-period number.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>

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Paul E. McKenney 2021-04-07 15:14:01 -07:00

parent 3ef5a1c382

commit b15805013b

1 changed files with 3 additions and 2 deletions

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kernel/rcu/tree_stall.h

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