Profiling and Tracing with Perf by Julia Evans

"You’ll learn how you can use perf to profile programs in many different programming languages (C, node.js, Java, Rust, and more!), how to count any kernel event you’re interested in (syscalls! network packets sent!), how to analyze the data that perf gives you, and more!

This zine explains both how to use the most important perf subcommands, and a little bit about how perf works under the hood.

Perf on Linux:

- trace system calls faster than strace
- profile your C, Go, C++, node.js, Rust, and Java/JVM programs really easily
- trace or count almost *any* kernel event ("perf, count how many packets every program sends")"