On 4/13/21 3:45 AM, Song Bao Hua (Barry Song) wrote:
>
>
>
> Right now in the main cases of using wake_affine to achieve
> better performance, processes are actually bound within one
> numa which is also a LLC in kunpeng920.
>
> Probably LLC=NUMA is also true for X86 Jacobsville, Tim?
In ge
.@arm.com; aubrey...@linux.intel.com;
> linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> linux-a...@vger.kernel.org; linux...@openeuler.org; xuwei (O)
> ; Zengtao (B) ; tiantao (H)
>
> Subject: Re: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and
>
On 2/3/21 3:32 AM, Song Bao Hua (Barry Song) wrote:
>>
>> Attached below are two RFC patches for creating x86 L2
>> cache sched domain, sans the idle cpu selection on wake up code. It is
>> similar enough in concept to Barry's patch that we should have a
>> single patchset that accommodates bo
nux.intel.com
> Cc: linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> linux-a...@vger.kernel.org; linux...@openeuler.org; xuwei (O)
> ; Zengtao (B) ; tiantao (H)
>
> Subject: Re: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and
> add cluster schedu
ost...@goodmis.org; bseg...@google.com; mgor...@suse.de;
>> mark.rutl...@arm.com; sudeep.ho...@arm.com; aubrey...@linux.intel.com;
>> linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
>> linux-a...@vger.kernel.org; linux...@openeuler.org; xuwei (O)
>> ; Zengt
ubrey...@linux.intel.com;
> linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> linux-a...@vger.kernel.org; linux...@openeuler.org; xuwei (O)
> ; Zengtao (B) ; tiantao (H)
>
> Subject: Re: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and
> add c
.@arm.com; aubrey...@linux.intel.com;
> linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org;
> linux-a...@vger.kernel.org; linux...@openeuler.org; xuwei (O)
> ; Zengtao (B) ; tiantao (H)
>
> Subject: Re: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and
>
om; rost...@goodmis.org; bseg...@google.com;
>> mgor...@suse.de; mark.rutl...@arm.com; sudeep.ho...@arm.com;
>> aubrey...@linux.intel.com; linux-arm-ker...@lists.infradead.org;
>> linux-kernel@vger.kernel.org; linux-a...@vger.kernel.org;
>> linux...@openeuler.org; xuwei (O) ; Zengtao
On 11/01/2021 10:28, Morten Rasmussen wrote:
> On Fri, Jan 08, 2021 at 12:22:41PM -0800, Tim Chen wrote:
>>
>>
>> On 1/8/21 7:12 AM, Morten Rasmussen wrote:
>>> On Thu, Jan 07, 2021 at 03:16:47PM -0800, Tim Chen wrote:
On 1/6/21 12:30 AM, Barry Song wrote:
[...]
>> I think it is going to dep
On Fri, Jan 08, 2021 at 12:22:41PM -0800, Tim Chen wrote:
>
>
> On 1/8/21 7:12 AM, Morten Rasmussen wrote:
> > On Thu, Jan 07, 2021 at 03:16:47PM -0800, Tim Chen wrote:
> >> On 1/6/21 12:30 AM, Barry Song wrote:
> >>> ARM64 server chip Kunpeng 920 has 6 clusters in each NUMA node, and each
> >>>
.com;
> aubrey...@linux.intel.com; linux-arm-ker...@lists.infradead.org;
> linux-kernel@vger.kernel.org; linux-a...@vger.kernel.org;
> linux...@openeuler.org; xuwei (O) ; Zengtao (B)
> ; tiantao (H)
> Subject: Re: [RFC PATCH v3 0/2] scheduler: expose the topology of clusters and
> ad
On 1/8/21 7:12 AM, Morten Rasmussen wrote:
> On Thu, Jan 07, 2021 at 03:16:47PM -0800, Tim Chen wrote:
>> On 1/6/21 12:30 AM, Barry Song wrote:
>>> ARM64 server chip Kunpeng 920 has 6 clusters in each NUMA node, and each
>>> cluster has 4 cpus. All clusters share L3 cache data while each cluster
On Thu, Jan 07, 2021 at 03:16:47PM -0800, Tim Chen wrote:
> On 1/6/21 12:30 AM, Barry Song wrote:
> > ARM64 server chip Kunpeng 920 has 6 clusters in each NUMA node, and each
> > cluster has 4 cpus. All clusters share L3 cache data while each cluster
> > has local L3 tag. On the other hand, each cl
On 1/6/21 12:30 AM, Barry Song wrote:
> ARM64 server chip Kunpeng 920 has 6 clusters in each NUMA node, and each
> cluster has 4 cpus. All clusters share L3 cache data while each cluster
> has local L3 tag. On the other hand, each cluster will share some
> internal system bus. This means cache i
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