free-cpus

Get the set of free CPU cores on your Linux machine.

• docs.rs
• crates.io

The logic is heavily inspired by AFL++'s code.

Usage

Add to Cargo.toml:

[dependencies]
free-cpus = "2.0.0"

In your rust code:

// Get the set of free CPU cores on this Linux machine
let cpus: HashMap<usize> = free_cpus::get().unwrap();

lib.rs:

This crate exports a utility function that returns the set of available core IDs on the machine.

The set is determined by iterating over the /proc directory's process statuses. The logic is heavily inspired by AFL++'s code.