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

Tim Chen
2020-09-24T16:37:46Z

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?
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