For those willing to get their hands dirty in low-level kernel code, the perhaps simplest tracing tool is dynamic-debug: https://github.com/torvalds/linux/b

For those willing to get their hands dirty in low-level kernel code, the perhaps simplest tracing tool is dynamic-debug: https://github.com/torvalds/linux/blob/master/Documentation/admin-guide/dynamic-debug-howto.rst https://github.com/torvalds/linux/blob/master/Documentation/...