RE: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86

2021-04-20 Thread Song Bao Hua (Barry Song)
inux...@openeuler.org; h...@zytor.com > Subject: Re: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86 > > > > On 3/23/21 4:21 PM, Song Bao Hua (Barry Song) wrote: > > >> > >> On 3/18/21 9:16 PM, Barry Song wrote: > >>> From: Tim

Re: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86

2021-04-20 Thread Tim Chen
On 3/23/21 4:21 PM, Song Bao Hua (Barry Song) wrote: >> >> On 3/18/21 9:16 PM, Barry Song wrote: >>> From: Tim Chen >>> >>> There are x86 CPU architectures (e.g. Jacobsville) where L2 cahce >>> is shared among a cluster of cores instead of being exclusive >>> to one single core. >>> >>> To

RE: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86

2021-03-31 Thread Song Bao Hua (Barry Song)
> linux-kernel@vger.kernel.org; linux-a...@vger.kernel.org; x...@kernel.org; > > xuwei (O) ; Zengtao (B) ; > > guodong...@linaro.org; yangyicong ; Liguozhu > (Kenneth) > > ; linux...@openeuler.org; h...@zytor.com > > Subject: Re: [RFC PATCH v5 4/4] scheduler: Add cluster sched

RE: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86

2021-03-23 Thread Song Bao Hua (Barry Song)
inux...@openeuler.org; h...@zytor.com > Subject: Re: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86 > > > > On 3/18/21 9:16 PM, Barry Song wrote: > > From: Tim Chen > > > > There are x86 CPU architectures (e.g. Jacobsville) where L2 cahce >

Re: [RFC PATCH v5 4/4] scheduler: Add cluster scheduler level for x86

2021-03-23 Thread Tim Chen
On 3/18/21 9:16 PM, Barry Song wrote: > From: Tim Chen > > There are x86 CPU architectures (e.g. Jacobsville) where L2 cahce > is shared among a cluster of cores instead of being exclusive > to one single core. > > To prevent oversubscription of L2 cache, load should be > balanced between