bpftrace: finish chapter

Signed-off-by: Lorenzo Fontana <[email protected]>

Author: fntlnz

content/bpftrace/501-bpftrace.md

@@ -7,9 +7,19 @@ weight: 501
 
 On GitHub https://github.com/iovisor/bpftrace
 
-- Built from the ground-up for BPF and Linux
-- Used in production at Netflix, Facebook, etc
-- Custom one-liners
-- Tools
+*What it is*:
+
+- Higher level language to write eBPF programs;
+- Built from the ground-up for BPF and Linux;
+- Used in production at Netflix, Facebook, etc;
+- Custom one-liners;
+- Comes with tools;
+- It is just for tracing;
+
+*What it is NOT*:
+
+- A framework to build your loaders;
+- You can't do classic bpf with it (like seccomp programs or socket probe types);
+- It does not support traffic control and XDP;
 
 

content/bpftrace/598-takeaways.md

@@ -0,0 +1,12 @@
+
+---
+title:  "bpftrace-credits"
+weight: 599
+---
+
+# Takeaways
+
+- There's an higher level language to use eBPF, called `bpftrace`;
+- `bpftrace` can be used only for eBPF based tracing;
+- It's pretty magic;
+- There are a **LOT** of premade tools you can use in the `bpftrace/tools` folder, saves a lot of time;