linux...@openeuler.org; h...@zytor.com
> Subject: Re: [RFC PATCH v4 2/3] scheduler: add scheduler level for clusters
>
> On Tue, Mar 02, 2021 at 11:59:39AM +1300, Barry Song wrote:
> > diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> > index 88a2e2b..d805e59 100644
>
@openeuler.org; ACPI Devel Maling
> List ; xuwei (O) ; Jonathan
> Cameron ; yangyicong ;
> x86 ; msys.miz...@gmail.com; Liguozhu (Kenneth)
> ; Valentin Schneider ;
> LAK
> Subject: Re: [RFC PATCH v4 2/3] scheduler: add scheduler level for clusters
>
> On Tue, 2 Mar 202
On Tue, 2 Mar 2021 at 00:08, Barry Song wrote:
>
> ARM64 chip Kunpeng 920 has 6 or 8 clusters in each NUMA node, and each
> cluster has 4 cpus. All clusters share L3 cache data, but each cluster
> has local L3 tag. On the other hand, each clusters will share some
> internal system bus. This means
On Tue, Mar 02, 2021 at 11:59:39AM +1300, Barry Song wrote:
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 88a2e2b..d805e59 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -7797,6 +7797,16 @@ int sched_cpu_activate(unsigned int cpu)
> if (cpumask_weight(c
ARM64 chip Kunpeng 920 has 6 or 8 clusters in each NUMA node, and each
cluster has 4 cpus. All clusters share L3 cache data, but each cluster
has local L3 tag. On the other hand, each clusters will share some
internal system bus. This means cache coherence overhead inside one
cluster is much less t
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