[Kern Meetup Blr] [Talk Proposal] Deep Dive into Linux Hibernation: From Kernel Flows to Modern Tools

[Ankita Pareek]

Title: Deep Dive into Linux Hibernation: From Kernel Flows to Modern Tools

Preferred Talk Format: Lightning Talk

Abstract: 

Hibernation is a crucial power management feature that enables computers to save their current state before powering down and resume seamlessly without data loss. This talk will provide a concise overview of hibernation in Linux systems, from its core concepts to practical implementation, and compare it with other power management states like Suspend-to-RAM, Suspend-to-Idle etc.
 
We'll begin with the fundamentals of hibernation, explaining its mechanisms and advantages in modern computing environments. The discussion will then delve into the Linux kernel's hibernation code flow, exploring key functions and processes that facilitate the state preservation and restoration cycle.
 
A highlight of this talk will be the introduction to Microsoft's hibernation-setup-tool, a utility designed to simplify hibernation configuration across various Linux distributions. We'll demonstrate how this tool addresses common implementation challenges such as hardware dependencies and system state management.
 
By the end of this talk, attendees will understand hibernation's internal workings and learn how to effectively configure it using modern tools. This session is ideal for system engineers, developers, and Linux enthusiasts interested in power management solutions.

References: 
Power management/Suspend and hibernate - ArchWiki

Presenters: Ankita Pareek and Erni Sri Satya Vennela

Speaker Bios: 

1. Ankita Pareek is a Software Engineer at Microsoft in the Azure Linux team with one year of experience working on Azure Linux, a Linux distro developed by Microsoft. Her role is ensuring  the quality and package management of Azure Linux along with contributions to the Confidential compute side of the distro. She participated in Outreachy 2023 with the Confidential Computing Consortium. 

2.   Erni Sri Satya Vennela is a software engineer at Microsoft with one year of experience as a kernel developer. She works in the Best Guest Kernel team under the Linux Systems Group. Her role involves developing and optimizing kernel components to enhance the performance and reliability of virtual machines.

Regards,

Ankita

[antra purohit]

+1

[Sivakumar R]

+1

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Regards,
Siva Kumar.R

[Kaitepalli Kavya Sree]

+1

[Kanishk Bansal]

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[Bhagyashri Pathak]

+1

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[Archana choudhary]

+1

[Rohit Rawat]

+1

[Praveen Kumar]

+1

On Tue, Oct 22, 2024 at 10:14 PM Ankita Pareek <ankitapa...@gmail.com> wrote:

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[Naman Jain]

+1

[Sumit Gupta]

+1

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[falak...@gmail.com]

+1

[Aditya Nagesh]

+1

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Thank you,

Aditya Nagesh

[Leo Mar]

+1

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[Vinod Koul]

Hi Ankita,

On Tue, Oct 22, 2024 at 10:14 PM Ankita Pareek
<ankitapa...@gmail.com> wrote:
>

> Title: Deep Dive into Linux Hibernation: From Kernel Flows to Modern Tools
>
> Preferred Talk Format: Lightning Talk
>
> Abstract:
>
> Hibernation is a crucial power management feature that enables computers to save their current state before powering down and resume seamlessly without data loss. This talk will provide a concise overview of hibernation in Linux systems, from its core concepts to practical implementation, and compare it with other power management states like Suspend-to-RAM, Suspend-to-Idle etc.
>
> We'll begin with the fundamentals of hibernation, explaining its mechanisms and advantages in modern computing environments. The discussion will then delve into the Linux kernel's hibernation code flow, exploring key functions and processes that facilitate the state preservation and restoration cycle.
>
> A highlight of this talk will be the introduction to Microsoft's hibernation-setup-tool, a utility designed to simplify hibernation configuration across various Linux distributions.

Is this tool open source, can you point to me to the debian package for this

BR

--
~Vinod

[Ankita Pareek]

Hi Vinod, 

Yes this tool is open source. You can find it here - https://github.com/microsoft/hibernation-setup-tool

I don't think we have a debian package for it as of now.

Thanks, 

Ankita

[Yashovardhan Gunjal]

+1

Regards,
Yashovardhan Gunjal

[Sudipta Pandit]

+1

On Tuesday, October 22, 2024 at 10:14:08 PM UTC+5:30 ankitapa...@gmail.com wrote: