sysinfo 0.22.2

Library to get system information such as processes, processors, disks, components and networks
Documentation 
// Take a look at the license at the top of the repository in the LICENSE file.

#[test]
fn test_uptime() {
    use sysinfo::SystemExt;

    if sysinfo::System::IS_SUPPORTED {
        let mut s = sysinfo::System::new();
        s.refresh_all();
        assert!(s.uptime() != 0);
    }
}