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(parent: c1a76c0) | patch
rcu-tasks: Add stall warnings for RCU Tasks Trace
authorPaul E. McKenney <paulmck@kernel.org>
Tue, 10 Mar 2020 19:13:53 +0000 (12:13 -0700)
committerPaul E. McKenney <paulmck@kernel.org>
Mon, 27 Apr 2020 18:03:51 +0000 (11:03 -0700)
commit4593e772b5020e714e18f6e212d70b24fbe88b79
tree9b8e1125feabc046b4cedd4c4543c717c2a4ba37tree
parentc1a76c0b6abac4e7eb49b5c24a0829f47b70769dcommit | diff
rcu-tasks: Add stall warnings for RCU Tasks Trace

This commit adds RCU CPU stall warnings for RCU Tasks Trace.  These
dump out any tasks blocking the current grace period, as well as any
CPUs that have not responded to an IPI request.  This happens in two
phases, when initially extracting state from the tasks and later when
waiting for any holdout tasks to check in.

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