Re: [PATCH] sched: RT bandwidth interface for cgroup unified hierarchy

[Randy Dunlap]

Hi--

On 6/21/22 05:35, Chengming Zhou wrote:
> diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
> index 176298f2f4de..3d2949e16e04 100644
> --- a/Documentation/admin-guide/cgroup-v2.rst
> +++ b/Documentation/admin-guide/cgroup-v2.rst
> @@ -1055,6 +1055,19 @@ All time durations are in microseconds.
>  
>  	The burst in the range [0, $MAX].
>  
> +  cpu.max.rt
> +	A read-write two value file which exists on all cgroups when

	             two-value

> +	CONFIG_RT_GROUP_SCHED enabled, to control CPU bandwidth for

	                      is enabled,

> +	RT threads in the task group.
> +
> +	The maximum bandwidth limit.  It's in the following format::
> +
> +	  $MAX $PERIOD
> +
> +	which indicates that RT threads in the group may consume upto

	                                                         up to

> +	$MAX in each $PERIOD duration.  "max" for $MAX indicates no
> +	limit.  If only one number is written, $MAX is updated.

-- 
~Randy