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Analyzing the Linux boot process

The oldest joke in open source software is the statement that "the code is self-documenting." Experience shows that reading the source is akin to listening to the weather forecast: sensible people still go outside and check the sky. What follows are some tips on how to inspect and observe Linux systems at boot by leveraging knowledge of familiar debugging tools. Analyzing the boot processes of sys

masami256 2018/02/23

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7 tools for analyzing performance in Linux with bcc/BPF

Look deeply into your Linux code with these Berkeley Packet Filter (BPF) Compiler Collection (bcc) tools. A new techno logy has arrived in Linux that can provide sysadmins and developers with a large number of new tools and dashboards for performance analysis and troubleshooting. It's called the enhanced Berkeley Packet Filter (eBPF, or just BPF), although these enhancements weren't developed in Be