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authorPaul E. McKenney <paulmck@kernel.org>2024-08-01 17:43:00 -0700
committerNeeraj Upadhyay <neeraj.upadhyay@kernel.org>2024-08-14 17:06:01 +0530
commit48c21c020fcacba6deb065c78ac1876418b5be11 (patch)
tree6db7cfba169f46beeb8a254054c5abf8f3559298 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentrcuscale: Dump stacks of stalled rcu_scale_writer() instances (diff)
downloadwireguard-linux-48c21c020fcacba6deb065c78ac1876418b5be11.tar.xz
wireguard-linux-48c21c020fcacba6deb065c78ac1876418b5be11.zip
rcuscale: Dump grace-period statistics when rcu_scale_writer() stalls
This commit adds a .stats function pointer to the rcu_scale_ops structure, and if this is non-NULL, it is invoked after stack traces are dumped in response to a rcu_scale_writer() stall. Signed-off-by: "Paul E. McKenney" <paulmck@kernel.org> Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>
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