Chapter 9
Ftrace
Abstract
This chapter covers the Linux kernel’s tracepoint infrastructure and ftrace tool. Techniques are shown for tracing the Linux kernel’s internal behavior. Usage of both the debugFS API, and graphical user interface, kernelshark, for Ftrace are shown.
Keywords
Linux ftrace
Linux tracepoint
Linux static tracepoint
Linux dynamic tracepoint
ftrace
kernelshark
blktrace
debugFS
Ftrace is a debugging infrastructure within the Linux kernel that exposes the kernel’s internal behavior. This data allows for the analyst to gain insights into what code paths ...
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