Re: [PATCH 1/4] sched/fair: Introduce primitives for CFS bandwidth burst

2021-01-12 Thread changhuaixin
> On Dec 21, 2020, at 9:53 PM, changhuaixin > wrote: > > > >> On Dec 17, 2020, at 9:36 PM, Peter Zijlstra wrote: >> >> On Thu, Dec 17, 2020 at 03:46:17PM +0800, Huaixin Chang wrote: >>> In this patch, we introduce the notion of CFS bandwidth burst. Unused >>> "quota" from pervious "period

Re: [PATCH 1/4] sched/fair: Introduce primitives for CFS bandwidth burst

2020-12-21 Thread changhuaixin
> On Dec 17, 2020, at 9:36 PM, Peter Zijlstra wrote: > > On Thu, Dec 17, 2020 at 03:46:17PM +0800, Huaixin Chang wrote: >> In this patch, we introduce the notion of CFS bandwidth burst. Unused >> "quota" from pervious "periods" might be accumulated and used in the >> following "periods". The m

Re: [PATCH 1/4] sched/fair: Introduce primitives for CFS bandwidth burst

2020-12-17 Thread Peter Zijlstra
On Thu, Dec 17, 2020 at 03:46:17PM +0800, Huaixin Chang wrote: > In this patch, we introduce the notion of CFS bandwidth burst. Unused > "quota" from pervious "periods" might be accumulated and used in the > following "periods". The maximum amount of accumulated bandwidth is > bounded by "burst". A