Re: [RFC PATCH 2/2] sched/fair: skip the cache hot CPU in select_idle_cpu()

[K Prateek Nayak]

Hello Chenyu,

Thank you for taking a look at the report.

On 9/14/2023 4:31 PM, Chen Yu wrote:
> Hi Prateek,
> 
> thanks for the test,
> 
> On 2023-09-14 at 09:43:52 +0530, K Prateek Nayak wrote:
>> [..snip..]
>>
>> Meanwhile, here is result for the current series without any
>> modifications:
>>
>> tl;dr
>>
>> - There seems to be a noticeable increase in hackbench runtime with a
>>   single group but big gains beyond that. The regression could possibly
>>   be because of added searching but let me do some digging to confirm
>>   that. 
> 
> Ah OK. May I have the command to run 1 group hackbench?

This is actually perf bench sched messaging. The cmdline from the runner
is:

	$ perf bench sched messaging -t -p -l 100000 -g <# of groups>

> [..snip..]
 
--
Thanks and Regards,
Prateek