Debugging & Tracing

The tools and the discipline for finding out what actually happened, from a raw oops to a production stall nobody can reproduce.

8 courses · available in all eight cities and live online

Crash analysis3 courses

DBG-1012 days Reading an Oops & Panic Analysis Turning a kernel splat into a precise location in the source, and knowing what the register dump is telling you. Practitioner Practitioner-taught SAR 5,250Next 11 Oct DBG-1103 days kdump & the crash Utility Capturing a crash dump in production and doing a real post-mortem on it. Advanced Practitioner-taught SAR 9,000Next 8 Nov DBG-1203 days kgdb & Live Kernel Debugging Interactive kernel debugging over serial and network, plus dynamic debug for cases where stopping is not an option. Advanced Practitioner-taught SAR 9,000Next 25 Oct

Tracing3 courses

DBG-2013 days ftrace & trace-cmd The kernel's built-in tracer, used properly: function graphs, events and latency tracers. Practitioner Practitioner-taught SAR 7,880Next 1 Nov DBG-2103 days perf: Sampling to Flame Graphs CPU and off-CPU analysis with perf, from first sample to a flame graph that tells you something actionable. Practitioner Practitioner-taught SAR 7,880Next 11 Oct DBG-2204 days eBPF & bpftrace Programmable observability: one-liners for immediate answers, custom programs for the questions nothing else answers. Advanced Practitioner-taught SAR 12,000Next 15 Nov

Hard cases2 courses

DBG-3013 days Race Conditions & Lock Contention The bugs that only appear under load on someone else's machine, and a method for actually finding them. Expert Practitioner-taught SAR 10,120Next 22 Nov DBG-3103 days Memory Corruption: KASAN & KFENCE Finding use-after-free, out-of-bounds and uninitialised memory before they become a security advisory. Advanced Practitioner-taught SAR 9,000Next 1 Nov