linux/Documentation/ABI/testing/sysfs-kernel-rcu_stall_count at master - public-mirrors/linux - Forgejo: just a girl doing tech things

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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.