# Linux Kernel Module Cheat
The perfect emulation setup to study and develop the <<linux-kernel>> v5.9.2, kernel modules, <<qemu-buildroot-setup,QEMU>>, <<gem5-buildroot-setup,gem5>> and x86_64, ARMv7 and ARMv8 <<userland-assembly,userland>> and <<baremetal-setup,baremetal>> assembly, <<c,ANSI C>>, <<cpp,C++>> and <<posix,POSIX>>. <<gdb>> and <<kgdb>> just work. Powered by <<about-the-qemu-buildroot-setup,Buildroot>> and <<about-the-baremetal-setup,crosstool-NG>>. Highly automated. Thoroughly documented. Automated <<test-this-repo,tests>>.

### 17.13. Linux kernel tracing

Good overviews:

- http://www.brendangregg.com/blog/2015-07-08/choosing-a-linux-tracer.html by Brendan Greg, AKA the master of tracing. Also: https://github.com/brendangregg/perf-tools

- https://jvns.ca/blog/2017/07/05/linux-tracing-systems/

I hope to have examples of all methods some day, since I’m obsessed with visibility.

- CONFIG_PROC_EVENTS

- ftrace

- Kprobes

- Count boot instructions