Table of Contents

Boot Time

Booting up a device involves numerous steps and sequences of events. Boot time includes measurement, analysis, human factors, initialization techniques, and reduction techniques. In other words, Boot time is the time from power on to user start.

Build Procedure – To enable systemd boot measurement tools

• Rpi4 image build is available at below links,
  RPI 4B Model Reference Platform
  64bit Arch support for dunfell build in RPI4
  

• Verify the below systemd bootchart changes at rdk-generic-broadband-image recipe

  IMAGE_INSTALL +="${SYSTEMD_TOOLS}"   SYSTEMD_TOOLS = "systemd-analyze systemd-bootchart"

• Also for systemd-bootchart to work ,required kernel config CONFIG_SCHEDSTATS is
  added 
• Once the systemd-bootchart is compiled and part of the image, proceed validation.

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