Kernel Development Learning Pipeline

Lecture 07: Monday, 24 June 2024

Announcements

1. P0 initial submission: due tonight

   1. Same final submission or extend a day for student's day?

2. E1 released

   1. Due a week from today

   2. See #general for syscall assignments

Review

In L0{5,6}, we went over the following:

1. Execution contexts

2. Define kernelspace and userspace

3. Kernel representation of a process or thread

4. What do we want out of a system call?

5. The 5 steps of a system call

Lecture overview

1. What is BPF?

2. Where did BPF come from?

3. Major features of BPF

4. Probes

5. BCC: BPF Compiler Collection

6. Using bpftrace and some internals

Slides

Available here