Re: [PATCH] sched/fair: make CFS bandwidth slice per cpu group

Peter Zijlstra
2018-04-30T19:42:57Z

On Mon, Apr 30, 2018 at 12:29:25PM -0700, Cong Wang wrote:
> Currently, the sched_cfs_bandwidth_slice_us is a global setting which
> affects all cgroups. Different groups may want different values based
> on their own workload, one size doesn't fit all. The global pool filled
> periodically is per cgroup too, they should have the right to distribute
> their own quota to each local CPU with their own frequency.

Why.. what happens? This doesn't really tell us anything.