Re: [PATCH RFC v2] rcu: Add a minimum time for marking boot as completed

From: Randy Dunlap
Date: Fri Feb 24 2023 - 22:36:13 EST




On 2/24/23 19:34, Joel Fernandes (Google) wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 2429b5e3184b..0943139fdf01 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -5085,6 +5085,10 @@
> rcutorture.verbose= [KNL]
> Enable additional printk() statements.
>
> + rcupdate.boot_end_delay= [KNL]
> + Minimum time that must elapse before the boot
> + sequence can be marked as completed.

+ in milliseconds.

> +
> rcupdate.rcu_cpu_stall_ftrace_dump= [KNL]
> Dump ftrace buffer after reporting RCU CPU
> stall warning.

--
~Randy