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

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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!



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