linux-kernel - Reminder for January 28 Boot-time SIG meeting

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Message-ID:
 <MW5PR13MB5632661DFB3A7CCEF3D20AB0FDEC2@MW5PR13MB5632.namprd13.prod.outlook.com>
Date: Mon, 27 Jan 2025 22:14:17 +0000
From: "Bird, Tim" <Tim.Bird@...y.com>
To: "linux-embedded@...r.kernel.org" <linux-embedded@...r.kernel.org>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Reminder for January 28 Boot-time SIG meeting

Hey Linux Boot-Time SIG interested parties (and other interested Linux kernel developers),

Here is the information for the next Linux Boot-Time SIG conference call.
(I'm very sorry to only get this reminder out the day before the call.)

The meeting will be held via the Jitsi online meeting platform.
To Join the meeting via web, click on:
https://meet.jit.si/LinuxBootTimeSIG

----
Our next meeting is Tuesday, January 28, at 9:00 am Mountain Time.
See this link for other time zones:
https://www.timeanddate.com/worldclock/meetingdetails.html?year=2025&month=01&day=28&hour=16&min=0&sec=0&p1=220&p2=137&p3=195&p4=771

(That makes it 8:00 am Pacific, 16:00 UTC, 17:00 CET, and 21:30 IST)

I'm planning on 1 hour for this meeting.

The agenda for the meeting (and where we'll keep the minutes) is here:
https://docs.google.com/document/d/1XAufoTT6VVJOTMzKMoz8SyOss-JA9H4J1_yVXQq5mN0/edit?usp=sharing

The agenda for the Jan 28 meeting is:
--------
Topics:
  - Round-table of completed or ongoing work
    - Work on the Boot Time wiki (section of elinux wiki) https://elinux.org/Boot_Time
       - Recent pages worked on:
          - https://elinux.org/Boot-Time_SIG
          - https://elinux.org/Boot_Time_Presentations
          - https://elinux.org/Static_Device_Nodes
          - https://elinux.org/Boot_Time_Project_Ideas
          - https://elinux.org/Disable_Console
          - https://elinux.org/Generic_timestamp_counting_Research
    - Status of the Boot Time Data wiki (on birdcloud.org) https://birdcloud.org/boot-time/Boot_Data
       - Boot Region processor
          - support for new reports: meta-data, diff
          - support for meta-data filtering (supported operators: '=', '!=', 'in' 'not in')
          - lots of linking between reports
       - some new pages:
          - https://birdcloud.org/boot-time/BootRegion_tests  (and sub-pages with different tests)
          - https://birdcloud.org/boot-time/DocProcessorBootRegion
          - https://birdcloud.org/boot-time/XPS13_Quiet_Analysis
          - https://birdcloud.org/boot-time/Beagleplay_Quiet_Analysis
          - https://birdcloud.org/boot-time/Boot-Time_Reference_Values
    - patches in flight:
       - init/main.c: print initcall level when initcall_debug is used (Francesco Valla)
       - analyze-initcall-debug.py (Francesco Valla)
       - printk: Improve memory usage logging during boot (Geert Uytterhoeven)
       - boot-time: instrument probes more (Tim Bird)
    - work pending submission upstream:
       - show_delta version 2.0 (Tim Bird)
       - deferred initcalls (Tim Bird)
       - others?
    - CFP for ELC north America - deadline is Feb 16. (ELC is in Denver, Colorado, June 23-25)
       - I would like a micro-conference on boot-time at the event - need from 3 to 6 talks or session ideas
       - Does anyone know if they'll be making a boot-time submission for this event?
    - What are people working on?
       - In particular, are there any other patches in flight?
       - Status of RedHat boot time work?
       - Status of Texas Instruments boot time work?
          - Bootloader-initialized hardware?
       - Status of Qualcomm deferred memory init patch?
       - Anyone else?
   - Do we need a call or survey dedicated to use-case or requirements?
   - I would love to get a taxonomy document going with a review of existing techniques
  - Review of project ideas
    - See https://elinux.org/Boot_Time_Project_Ideas
  - Review of action items
    - Write a white paper or presentation

  - Engaging more developers
    - Not many people have run my data gathering tool - how can I get data for more systems?
  - Next meeting - Feb 25th?
    - current periodicity = 1 month (tentatively the 4th Tuesday of every month?)
--------

The meeting is open to anyone.

Please prepare for the meeting by reading the 'Boot-time SIG' page and the 'Boot Time Project ideas'
page (mentioned above), and being ready to comment on them.  Also, if you have done any work on
boot time in the last year, or are actively working on it, please be prepared to comment on it during the meeting.

I look forward to talking with you.
 -- Tim