"ring buffer" tag
Kernel C Extras

Device Drivers, Part 3: Kernel C Extras in a Linux Driver

This article in the series on Linux device drivers deals with the kernel’s message logging, and kernel-specific GCC extensions. Enthused by how Pugs impressed their professor in the last class, Shweta wanted to…

Kernel tracing

Kernel Tracing with ftrace, Part 1

This article explains how to set up ftrace and be able to understand how to trace functions. It should be useful for current kernel developers and device driver developers who want to debug…

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