Debugging Linux Kernel in Deep – Part 1

Course Curriculum

Chapter 1: Introduction to ftrace

Lecture 1: Introduction to Tracing

Lecture 2: Introduction to ftrace

Lecture 3: Check Whether ftrace is enabled in kernel

Lecture 4: Important files in tracefs

Lecture 5: Enabling a different tracer

Lecture 6: Function Graph Tracer

Lecture 7: Filtering functions

Lecture 8: Wildcard Characters in filters

Lecture 9: Question and Answer

Lecture 10: ftrace on simple kernel module

Lecture 11: Enabling and Disabling tracing

Lecture 12: trace vs trace_pipe

Lecture 13: Find out what calls made by a kernel function

Lecture 14: Tracing a specific process

Lecture 15: Tracing functions of specific module

Lecture 16: trace_printk

Lecture 17: Tracing kernel functions with a particular duration

Lecture 18: Finding out how user space code gets into kernel

Chapter 2: ftrace continued

Lecture 1: irqs-off

Lecture 2: need-resched

Lecture 3: Hardirq, softirq or process context

Lecture 4: preempt-depth

Lecture 5: Start/Stop tracing on a particular function

Lecture 6: trace_options file

Lecture 7: options directory

Lecture 8: Disabling interrupt information from function_graph

Lecture 9: Who is calling a particular kernel function

Lecture 10: trace_marker

Lecture 11: trace_marker from userspace

Lecture 12: Kernel function profiling

Lecture 13: Find maximum time interrupt are disabled

Lecture 14: Example of irqsoff tracer

Lecture 15: Finding latencies at boot

Lecture 16: Finding deepest kernel stack

Lecture 17: ftrace dump on oops

Lecture 18: snapshot

Chapter 3: Tracing Events

Lecture 1: Introduction to Tracepoints

Lecture 2: Introduction to Tracing Events

Lecture 3: Format file

Lecture 4: Filter File

Lecture 5: More examples of setting filter

Lecture 6: Subsystem Filters

Lecture 7: Event Triggers

Lecture 8: Histograms

Lecture 9: set_event interface

Lecture 10: Event PID Filtering

Lecture 11: Example of set_event_pid

Lecture 12: Tracing Events at boot

Chapter 4: Interesting Trace Events

Lecture 1: mkdir

Lecture 2: Can i Change format of event

Lecture 3: USB Events

Lecture 4: Scheduling Events

Lecture 5: Exception Events

Lecture 6: module events

Lecture 7: ext4 events

Lecture 8: fs events

Lecture 9: irq events

Lecture 10: net events

Lecture 11: Beaglebone events

Chapter 5: trace-cmd

Lecture 1: Introduction

Lecture 2: trace-cmd list

Lecture 3: trace-cmd stat

Lecture 4: trace-cmd start and trace-cmd stop

Lecture 5: trace-cmd show

Lecture 6: trace-cmd reset

Lecture 7: trace-cmd Function Filtering

Lecture 8: trace-cmd Pid Filtering

Lecture 9: trace-cmd record and trace-cmd report

Lecture 10: trace-cmd extract

Chapter 6: Notes

Lecture 1: Downloads