Re: [PATCH v2 00/10] sched/psi: some optimization and extension

From: Chengming Zhou
Date: Wed Aug 17 2022 - 11:19:36 EST


On 2022/8/16 22:01, Chengming Zhou wrote:
> On 2022/8/15 21:25, Michal Koutný wrote:
>> On Mon, Aug 08, 2022 at 07:03:31PM +0800, Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> wrote:
>>> This patch series are some optimization and extension for PSI,
>>
>> BTW do you have some numbers/example how much these modifications save
>> when aggregated together?
>>

Sorry about delay...

Performance test using mmtests/config-scheduler-perfpipe in /user.slice/user-0.slice/session-4.scope

next patched patched/only-leaf
Min Time 8.82 ( 0.00%) 8.49 ( 3.74%) 8.00 ( 9.32%)
1st-qrtle Time 8.90 ( 0.00%) 8.58 ( 3.63%) 8.05 ( 9.58%)
2nd-qrtle Time 8.94 ( 0.00%) 8.61 ( 3.65%) 8.09 ( 9.50%)
3rd-qrtle Time 8.99 ( 0.00%) 8.65 ( 3.75%) 8.15 ( 9.35%)
Max-1 Time 8.82 ( 0.00%) 8.49 ( 3.74%) 8.00 ( 9.32%)
Max-5 Time 8.82 ( 0.00%) 8.49 ( 3.74%) 8.00 ( 9.32%)
Max-10 Time 8.84 ( 0.00%) 8.55 ( 3.20%) 8.04 ( 9.05%)
Max-90 Time 9.04 ( 0.00%) 8.67 ( 4.10%) 8.18 ( 9.51%)
Max-95 Time 9.04 ( 0.00%) 8.68 ( 4.03%) 8.20 ( 9.26%)
Max-99 Time 9.07 ( 0.00%) 8.73 ( 3.82%) 8.25 ( 9.11%)
Max Time 9.12 ( 0.00%) 8.89 ( 2.54%) 8.27 ( 9.29%)
Amean Time 8.95 ( 0.00%) 8.62 * 3.67%* 8.11 * 9.43%*


Thanks!