Re: [PATCH v4 07/16] sched/core: uclamp: extend cpu's cgroup controller

Randy Dunlap
2018-08-28T18:29:16Z

On 08/28/2018 06:53 AM, Patrick Bellasi wrote:
> +config UCLAMP_TASK_GROUP
> + bool "Utilization clamping per group of tasks"
> + depends on CGROUP_SCHED
> + depends on UCLAMP_TASK
> + default n
> + help
> + This feature enables the scheduler to track the clamped utilization
> + of each CPU based on RUNNABLE tasks currently scheduled on that CPU.
> +
> + When this option is enabled, the user can specify a min and max
> + CPU bandwidth which is allowed for each single task in a group.
> + The max bandwidth allows to clamp the maximum frequency a task
> + can use, while the min bandwidth allows to define a minimum
> + frequency a task will always use.
> +
> + When task group based utilization clamping is enabled, an eventually
> + specified task-specific clamp value is constrained by the cgroup
> + specified clamp value. Both minimum and maximum task clamping cannot
> + be bigger than the corresponding clamping defined at task group level.

The 4 lines above should all be indented the same (one tab + 2 spaces).

> +
> + If in doubt, say N.
> +

--
~Randy