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| author | Paul E. McKenney <paulmck@kernel.org> | 2021-04-06 16:31:42 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-05-10 16:22:54 -0700 |
| commit | 396eba65f62414ee8850ed5f7b5ce844719ebebf (patch) | |
| tree | c199bb3e1f0ab831caa89a11cd45638331849ba7 /kernel/rcu/tree.c | |
| parent | 3066820034b5dd4e89bd74a7739c51c2d6f5e554 (diff) | |
rcu: Add quiescent states and boost states to show_rcu_gp_kthreads() output
This commit adds each rcu_node structure's ->qsmask and "bBEG" output
indicating whether: (1) There is a boost kthread, (2) A reader needs
to be (or is in the process of being) boosted, (3) A reader is blocking
an expedited grace period, and (4) A reader is blocking a normal grace
period. This helps diagnose RCU priority boosting failures.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu/tree.c')
0 files changed, 0 insertions, 0 deletions