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rcu/tasks: Add rcu_barrier_tasks*() start time to diagnostics
authorPaul E. McKenney <paulmck@kernel.org>
Fri, 2 Aug 2024 00:34:26 +0000 (17:34 -0700)
committerNeeraj Upadhyay <neeraj.upadhyay@kernel.org>
Wed, 14 Aug 2024 11:33:18 +0000 (17:03 +0530)
commit591ce640819ff10385cd072fb19c2ca5d5181fe5
treec3fbb9591ab6f4a06d3db84dbf6a31e7863ba722tree
parentfe91cf39db0939ac8d523b5a1c31840f7cbe205ccommit | diff
rcu/tasks: Add rcu_barrier_tasks*() start time to diagnostics

This commit adds the start time, in jiffies, of the most recently started
rcu_barrier_tasks*() operation to the diagnostic output used by rcuscale.
This information can be helpful in distinguishing a hung barrier operation
from a long series of barrier operations.

Signed-off-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
kernel/rcu/tasks.h diff | blob | history
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