BPF Static Keys - Extending Functionality for Kernel Tracing
Offered By: Linux Plumbers Conference via YouTube
Course Description
Overview
Explore the concept of BPF Static Keys in this 27-minute conference talk from the Linux Plumbers Conference. Learn how this feature extends the functionality of the Linux kernel's Static Keys to the BPF stack, allowing for efficient inclusion of seldom-used features in fast-path code. Discover the complete BPF Static Keys API and see practical examples of its usage in C and Go programs. Gain insights into how this technology can be applied for full introspection of the Linux and Cilium networking stack. Understand the benefits of zero overhead when disabled and the potential applications in tracing networking events, as demonstrated through the pwru utility.
Syllabus
BPF Static Keys - Anton Protopopov
Taught by
Linux Plumbers Conference
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