linux-kernel - Re: [RFC PATCH v2 0/1] cpuidle: teo: Introduce optional util-awareness

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <63a63f5e-846a-3235-56f9-3cc9b5c2dd4d@arm.com>
Date:   Fri, 28 Oct 2022 08:23:33 +0100
From:   Lukasz Luba <lukasz.luba@....com>
To:     Daniel Lezcano <daniel.lezcano@...exp.org>
Cc:     Dietmar.Eggemann@....com, dsmythies@...us.net,
        Kajetan Puchalski <kajetan.puchalski@....com>,
        yu.chen.surf@...il.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [RFC PATCH v2 0/1] cpuidle: teo: Introduce optional
 util-awareness



On 10/28/22 08:11, Daniel Lezcano wrote:
> On 28/10/2022 09:08, Lukasz Luba wrote:
> 
> [ ... ]
> 
>>> [1] Dynamic workload characterization for power efficient scheduling 
>>> on CMP systems : https://cseweb.ucsd.edu//~tullsen/islped10.pdf
>>>
>>> [2] 
>>> https://git.linaro.org/people/daniel.lezcano/linux.git/commit/?h=cpuidle/mobile-governor-v5.1&id=de1edb05e3c342f0738b414aa84263d6555b7462 
>>>
>>>
>>>
>>
>> Thanks Daniel! I forgot about your work in this area. As I have
>> responded in some other email in this thread, we might start
>> from a new small governor and than others can contribute.
>>
>> Even this small governor that Kajetan showed me performs really
>> good on pixel6.
> 
> Do you have others ARM64 platforms to compare with ?
> 

Yes we have, also some older platforms (~10years now, which
would be nice to check how they would perform).
We also have a big arm64 server to give it a try there. So those results
will be available with the new patch when we decide to go the new
governor.