Re: [PATCH v10 2/5] sched: CGroup tagging interface for core scheduling

[Peter Zijlstra]

On Fri, Jan 22, 2021 at 08:17:01PM -0500, Joel Fernandes (Google) wrote:
> +/* Request the scheduler to share a core */
> +#define PR_SCHED_CORE_SHARE		59
> +# define PR_SCHED_CORE_CLEAR		0  /* clear core_sched cookie of pid */
> +# define PR_SCHED_CORE_SHARE_FROM	1  /* get core_sched cookie from pid */
> +# define PR_SCHED_CORE_SHARE_TO		2  /* push core_sched cookie to pid */

Why ?

Also, how do I set a unique cookie on myself with this interface?