RE: [PATCH v3] rcu: Add a minimum time for marking boot as completed

From: Zhuo, Qiuxu
Date: Mon Mar 13 2023 - 09:48:32 EST


> From: Uladzislau Rezki <urezki@xxxxxxxxx>
> [...]
> XQ-DQ54:/ # echo 1 > /sys/kernel/rc
> rcu_expedited rcu_improve_normal rcu_normal
> XQ-DQ54:/ # echo 1 > /sys/kernel/rcu_improve_normal

Hi Rezki,

I applied your prototype patch, but I did NOT find the sys-node:
"/sys/kernel/rcu_improve_normal" on my system.

What is this node used for? What am I missing? Thanks!

[ There were only "rcu_expedited" & " rcu_normal" sys nodes
on my system. ]

-Qiuxu

> XQ-DQ54:/ # exit
> XQ-DQ54:/ $ exit urezki@pc636:~/data/yoshino_bin/scripts$ ./test-cam.sh
> 533
> 549
> 563
> 537
> 540
> 563
> 531
> 549
> 548
> urezki@pc636:~/data/yoshino_bin/scripts$
>
> the taken time to run an app in milliseconds.
>
> --
> Uladzislau Rezki