git.kernel.dk Git - linux-block.git/commit

author	Max Kellermann <max.kellermann@ionos.com>
	Sun, 4 May 2025 18:08:31 +0000 (20:08 +0200)
committer	Andrew Morton <akpm@linux-foundation.org>
	Wed, 21 May 2025 17:48:22 +0000 (10:48 -0700)
commit	2536c5c7d6ae5e1d844aa21f28b326b5e7f815ef
tree	75f4b1af703493afe4e30962e3c408d71bea7609	tree
parent	aaf05e96e93cb9c8fc8d35fc4525715530397655	commit \| diff

kernel/rcu/tree_stall: add /sys/kernel/rcu_stall_count

Expose a simple counter to userspace for monitoring tools.

Link: https://lkml.kernel.org/r/20250504180831.4190860-3-max.kellermann@ionos.com
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Cc: Core Minyard <cminyard@mvista.com>
Cc: Doug Anderson <dianders@chromium.org>
Cc: Joel Granados <joel.granados@kernel.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Song Liu <song@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>