Re: [RFC PATCH v2] sched/fair: select idle cpu from idle cpumask in sched domain

Phil Auld
2020-09-24T17:13:52Z

On Thu, Sep 24, 2020 at 09:37:33AM -0700 Tim Chen wrote:
>
>
> On 9/22/20 12:14 AM, Vincent Guittot wrote:
>
> >>
> >>>>
> >>>> And a quick test with hackbench on my octo cores arm64 gives for 12
>
> Vincent,
>
> Is it octo (=10) or octa (=8) cores on a single socket for your system?

In what Romance language does octo mean 10? :)

> The L2 is per core or there are multiple L2s shared among groups of cores?
>
> Wonder if placing the threads within a L2 or not within
> an L2 could cause differences seen with Aubrey's test.
>
> Tim
>

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