[Kernel-meetup] Pune Kernel meetup May 2017 [Meeting minutes]

[Amit Kucheria]

I'm glad people found it useful. Thanks for the good discussion.

On Mon, May 29, 2017 at 12:55 PM, Pankaj Gupta <pagupta at redhat.com> wrote:
>
> Thanks Amit for the good session and sharing your
> experience with 'Power Management' and related areas.
>
> Best regards,
> Pankaj
>
>>
>>
>> Hello,
>>
>> Thanks all for attending this months kernel meetup.
>> Around 15 people attended the May kernel meetup which
>> happened in Reserved-Bit. Also, we had some good
>> discussions on various topics:
>>
>> Meet-up started with talk on 'Overview of Power management'
>> by 'Amit Kucheria' and discussion went on various subsystems
>> related with performance and throughput on different architectures.
>>
>> Also, Amit shared how different working groups solved various
>> problems upstream and now all the architectures are now getting
>> benefited with the effort.
>>
>> Some of the topics which Amit touched are:
>>
>> * SOC Architecture
>> * Power vs Performance
>> * Power and thermal effect
>> * CPUfreq, CPUIdle and other regulator
>> * C states and performance effect
>> * Cache impact with different C-states
>> * Memory and power management
>> * CPUfreq vs CPUIdle
>> * Dynamic Ticks
>> * CPU Hotplug and power management
>> * Runtime PM & OPP framework
>> * Thermal framework
>> * Power management stack
>> * Some discussion on scheduler type like CFS, EAS, SCHEDULE_DEADLINE & RT.
>> * Use PowerTOP tool to start working on power issues.
>>
>> Over all discussion started with power management and went on to
>> topics like throughput, latency, hardware accelerators, memory and
>> scheduler.
>>
>> After meetup ended still discussion continued on various topics
>> related to chip design, memory, cpu, caches and people started sharing
>> their experiences on various issues they faced and asked for suggestions.
>>
>> Overall it was a nice experience and I enjoyed it :-)
>>
>> Hoping to see all for next meetup, Siddhesh will send a doodle vote-up
>> for date selection.
>>
>> Feel free to add if I missed anything.
>>
>> Best regards,
>> Pankaj
>>
>>
>>
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>>
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-- 
____________________________________________
Amit Kucheria