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linux-yocto/Documentation/ABI/testing/sysfs-kernel-rcu_stall_count
Max Kellermann 2536c5c7d6 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>
2025-05-21 10:48:22 -07:00

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What: /sys/kernel/rcu_stall_count Date: May 2025 KernelVersion: 6.16 Contact: Linux kernel mailing list linux-kernel@vger.kernel.org Description: Shows how many times the system has detected an RCU stall since last boot.