Can I read Kexec: Optimizing Linux Boot Time on EtoBox?
Kexec: Optimizing Linux Boot Time by Lui Sze is a document available to read on EtoBox.
What is Kexec: Optimizing Linux Boot Time about?
The document recounts an engineering experience involving the bring-up of an ARM64 platform, where significant delays in booting were encountered. The author details their troubleshooting process, which involved understanding the kexec_load system call and optimizing the boot flow from service Linux to main Linux, ultimately reducing boot time from 2 minutes to 4 seconds. Code references and explanations are provided to illustrate the debugging methods and the kernel reboot path used in the process.
- Author
- Lui Sze
- Language
- EN